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CX2SA > SATDIG 22.02.17 10:21l 1267 Lines 40839 Bytes #999 (0) @ WW
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From: CX2SA@CX2SA.SAL.URY.SOAM
To : SATDIG@WW
Today's Topics:
1. Re: Accurate Nayif 1 TLE set (George Henry)
2. Returning to the Birds, need SatPC32 Files [ ANOTHER REQUEST
] (Les Rayburn)
3. Upcoming ARISS contact with Ecole primaire Elie Desplan,
Boissi?res, France and Marie Castang, Saint Dionisy, France
(n4csitwo@xxxxxxxxx.xxxx
4. Ecole primaire Elie Desplan, Boissi?res, France and Marie
Castang, Saint Dionisy, France (n4csitwo@xxxxxxxxx.xxxx
5. Re: Yagi Stacking, (Joe)
6. New nayif keps from Nico (jeffory broughton)
7. Re: Yagi Stacking, (Greg D)
8. Upcoming ARISS Contact Schedule as of 2017-02-22 08:00 UTC
(AJ9N@xxx.xxxx
----------------------------------------------------------------------
Message: 1
Date: Tue, 21 Feb 2017 20:49:24 -0600
From: "George Henry" <ka3hsw@xxx.xxx>
To: "AMSAT BB" <amsat-bb@xxxxx.xxx>, "wouter weggelaar"
<wouterweg@xxxxx.xxx>, "Graham Shirville"
<g.shirville@xxxxxxxxxx.xxx>, <operations@xxxxxxx.xxx.xx>, "Nico
Janssen" <hamsat@xxxxxx.xx>
Subject: Re: [amsat-bb] Accurate Nayif 1 TLE set
Message-ID: <4CF5FA15F8304CD3B4502A23B192B4B4@xxxxxxx>
Content-Type: text/plain; format=flowed; charset="iso-8859-1";
reply-type=response
Spot on!! Hit the bird with 5 watts into an Eggbeater and didn't have to
adjust the uplink at all! Worked WB8RJY 5 and 9.
73,
George, KA3HSW
----- Original Message -----
From: "Nico Janssen" <hamsat@xxxxxx.xx>
To: "AMSAT BB" <amsat-bb@xxxxx.xxx>; "wouter weggelaar"
<wouterweg@xxxxx.xxx>; "Graham Shirville" <g.shirville@xxxxxxxxxx.xxx>;
<operations@xxxxxxx.xxx.xx>
Sent: Tuesday, February 21, 2017 4:00 PM
Subject: [amsat-bb] Accurate Nayif 1 TLE set
> All,
>
> While waiting for a TLE set for Nayif 1 from the JSpOC, I constructed
> a TLE set based on measurements on a number of passes since launch.
> This set is accurate to within 2 seconds and should remain accurate in
> the coming days.
>
> NAYIF 1
> 1 60000U 17008XX 17051.92295152 .00001762 00000-0 80428-4 0 9993
> 2 60000 97.5107 113.5513 0006476 260.5747 99.4743 15.22401676 842
>
> This TLE set can also be downloaded here:
> http://hamsat1.home.xs4all.nl/NAYIF1.txt
>
> The actual frequency of the telemetry beacon of Nayif 1 is 145.9385 MHz.
> There is virtually no temperature drift on the beacon frequency.
>
> 73,
> Nico PA0DLO
>
>
> _______________________________________________
> Sent via AMSAT-BB@xxxxx.xxx. AMSAT-NA makes this open forum available
> to all interested persons worldwide without requiring membership. Opinions
> expressed
> are solely those of the author, and do not reflect the official views of
> AMSAT-NA.
> Not an AMSAT-NA member? Join now to support the amateur satellite program!
> Subscription settings: http://www.amsat.org/mailman/listinfo/amsat-bb
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Message: 2
Date: Tue, 21 Feb 2017 20:52:10 -0600
From: Les Rayburn <les@xxxxxxxxxxxx.xxx>
To: AMSAT BB <amsat-bb@xxxxx.xxx>
Subject: [amsat-bb] Returning to the Birds, need SatPC32 Files [
ANOTHER REQUEST ]
Message-ID: <EFEB1C41-BA5D-486D-AB1C-4DE5C2ACA412@xxxxxxxxxxxx.xxx>
Content-Type: text/plain; charset=utf-8
I need to second Mike Thompson?s request. After an absence of over a year
from the birds, I?d love to get
back on but time is at a minimum. I?d love to simply be able to update
SatPC32 and be ready to go with the new
crop of satellites.
I?m running an Icom IC-910 and SatPC32. Fixed elevation, so just a simple
azimuth rotor on this end. Pre-amps on the antennas, switched from the rig.
It worked well before, hopefully it will again.
If someone can help, I know I?d appreciate (and so would Mike!)
73,
Les Rayburn, N1LF
121 Mayfair Park
Maylene, AL
EM63nf
From: Mike Thompson <zryder94@xxxxx.xxx <mailto:zryder94@xxxxx.xxx>>
Subject: [amsat-bb] Returning to the Birds, need SatPC32 files
Date: February 21, 2017 at 6:18:27 PM CST
To: amsat-bb@xxxxx.xxx <mailto:amsat-bb@xxxxx.xxx>
A while back when I was somewhat active on satellites, I found a few of the
frequencies in SatPC32 were slightly off, needing a little adjustment here
and there. In an effort to get up and running as smoothly as possible, I
would like to know if anyone can share their files to enable me to get up
and running with the most recent crop of birds.
Specifically looking for Doppler, satfiles, subtone, amsatnames, and
celestrak files.
Thanks everyone!
------------------------------
Message: 3
Date: Tue, 21 Feb 2017 22:48:12 -0500
From: <n4csitwo@xxxxxxxxx.xxx>
To: <ariss-press@xxxxx.xxx>, "amsat-edu" <amsat-edu@xxxxx.xxx>,
<amsat-bb@xxxxx.xxx>
Subject: [amsat-bb] Upcoming ARISS contact with Ecole primaire Elie
Desplan, Boissi?res, France and Marie Castang, Saint Dionisy, France
Message-ID: <7EE6DD9A5FF34505B985F48CAE7320C9@xxx>
Content-Type: text/plain; charset="iso-8859-1"
An International Space Station school contact has been planned with
participants at Ecole primaire Elie Desplan, Boissi?res, France and Marie
Castang, Saint Dionisy, France on 23 Feb. The event is scheduled to begin at
approximately 08:31 UTC. The duration of the contact is approximately 9
minutes and 30 seconds. The contact will be direct between FX0ISS and F4HHV.
The contact should be audible over France and adjacent areas. Interested
parties are invited to listen in on the 145.80 MHz downlink. The contact is
expected to be conducted in French.
We are two small schools in pretty twin villages in the South of France,
Boissi?res and Saint-Dionisy.
Enjoying very beautiful surroundings, we are located just 15 km from N?mes
and 40 km from Montpellier,
in the Occitanie region, on the threshold of the Camargue wetlands and the
Cevennes mountain range.
Our villages are nestled at the foot of a hillside covered with evergreen
oak trees, juniper bushes,
thyme, "capitelles" (dry-stone cabins) and with a well-preserved "oppidum"
(iron-age settlement) at its summit.
>From the top, one can marvel at the splendid view over the plain of Vaunage
(stretching between Caveirac and Calvisson),
the Pic Saint Loup and the Mediterranean Sea on the horizon, and to the
recognisable architecture of the Grande Motte (seaside town).
On a clear day, one can even discern the peaks of Mont Loz?re, Mont Aigoual
and Mont Ventoux.
Our two little schools, served by a single school-bus-run, work closely
together within an inter-town educational grouping
("Regroupement P?dagogique Intercommunal") and maintain a privileged
relationship with all of the children.
The Boissi?res school welcomes 61 pupils from infants ("maternelle") to
first grade ("Cours Pr?paratoire") -
in three classes and the Saint-Dionisy school receives daily 73 children
from second grade ("Cours El?mentaire 1re Ann?e")
up to fifth grade ("Cours Moyen 2e Ann?e") - also in three classes.
The pupils are delighted to work together on a common theme between the two
schools.
They are charmed by this wonderful project of being able to communicate
with Thomas Pesquet from space.
They have been carrying out lots of learning work and are making discoveries
about astronomy, the International Space Station and communication.
We can be sure that many are already dreaming of becoming the next Thomas
Pesquet!
Participants will ask as many of the following questions as time allows:
1. Est-ce qu'il fait nuit dans l'espace?
2. Qu'est-ce qui a ?t? le plus difficile dans ta pr?paration?
3. Est-ce que la Terre est belle vue de l'espace?
4. A quoi as-tu pens? juste avant le d?collage?
5. Est-ce que tu manges bien?
6. Tu r?alises ton r?ve. alors ? quoi r?ves-tu l?-haut?
7. Est-ce que c'est bien d'?tre dans l'espace?
8. Un des plus beaux cadeaux de notre enfance serait que tu viennes nous
voir : penses-tu pouvoir r?aliser notre r?ve?
9. Qu'as-tu fait pendant le trajet jusqu'? la station spatiale?
10. Est-ce difficile de vivre en apesanteur?
11. Est-ce qu'il pleut parfois?
12. Quelles ?motions ressens-tu lorsque tu travailles ? l'ext?rieur de l'ISS?
13. Avais-tu un sapin de No?l dans l'ISS?
14. Pourquoi fais-tu des exp?riences sur les v?g?taux dans l'ISS?
15. Y a-t-il des radiateurs dans l'ISS?
16. Est-ce qu'il y a de la vie dans l'espace?
17. Est-ce que tu peux manger glac? ou chaud?
18. Es-tu press? de revenir sur Terre?
19. Comment es-tu habill? dans la station?
20. As-tu d?j? vu passer une m?t?orite par une fen?tre de l'ISS?
Translated:
1. Is it dark in space?
2. What was the hardest thing in your training?
3. Is the Earth beautiful from space?
4. What did you think just before liftoff?
5. Do you eat well?
6. You fulfilled your dream...so what do you dream about up there?
7. Is it good to be in space?
8. The greatest gift of our childhood would be to have you visit us: do you
think our dream might come true?
9. What did you do during the trip to the Space Station?
10. Is it difficult to live without gravity?
11. Does it rain sometimes?
12. What emotions do you feel when you work outside the ISS?
13. Did you have a Christmas tree in the ISS?
14. Why do you do experiments on plants in the ISS?
15. Are there heaters on the ISS?
16. Is there life out in space?
17. Can you eat cold or hot things?
18. Are you in a hurry to come back to Earth?
19. What do you wear in the station?
20. Have you already seen a meteorite from through the window of the ISS?
PLEASE CHECK THE FOLLOWING FOR MORE INFORMATION ON ARISS UPDATES:
Visit ARISS on Facebook. We can be found at Amateur Radio on the
International Space Station (ARISS).
To receive our Twitter updates, follow @xxxxxxxxxxxx
Next planned event(s):
TBD
About ARISS:
Amateur Radio on the International Space Station (ARISS) is a cooperative
venture of international amateur radio societies and the space agencies that
support the International Space Station (ISS). In the United States,
sponsors are the Radio Amateur Satellite Corporation (AMSAT), the American
Radio Relay League (ARRL), the Center for the Advancement of Science in
Space (CASIS) and National Aeronautics and Space Administration (NASA).
The primary goal of ARISS is to promote exploration of science, technology,
engineering, and mathematics (STEM) topics by organizing scheduled contacts
via amateur radio between crew members aboard the ISS and students in
classrooms or informal education venues. With the help of experienced
amateur radio volunteers, ISS crews speak directly with large audiences in a
variety of public forums. Before and during these radio contacts, students,
teachers, parents, and communities learn about space, space technologies,
and amateur radio. For more
information, see www.ariss.org, www.amsat.org, and www.arrl.org.
Thank you & 73,
David - AA4KN
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------------------------------
Message: 4
Date: Tue, 21 Feb 2017 23:10:37 -0500
From: <n4csitwo@xxxxxxxxx.xxx>
To: <ariss-press@xxxxx.xxx>, "amsat-edu" <amsat-edu@xxxxx.xxx>,
<amsat-bb@xxxxx.xxx>
Subject: [amsat-bb] Ecole primaire Elie Desplan, Boissi?res, France
and Marie Castang, Saint Dionisy, France
Message-ID: <B4ADFDA95A614347B771655315946EEF@xxx>
Content-Type: text/plain; charset="iso-8859-1"
IMPORTANT UPDATE:
THIS ARISS PRESS RELEASE SUPERSEDES THE INITIAL ONE SENT ON 2-24-2017 AT
03:48 UTC
CORRECTION: THE DOWNLINK FREQUENCY WILL BE 437.525 MHZ INSTEAD OF 145.800 MHZ.
An International Space Station school contact has been planned with
participants at Ecole primaire Elie Desplan, Boissi?res, France and Marie
Castang, Saint Dionisy, France on 23 Feb. The event is scheduled to begin at
approximately 08:31 UTC. The duration of the contact is approximately 9
minutes and 30 seconds. The contact will be direct between FX0ISS and F4HHV.
The contact should be audible over France and adjacent areas. Interested
parties are invited to listen in on the 437.525 MHz downlink. The contact is
expected to be conducted in French.
We are two small schools in pretty twin villages in the South of France,
Boissi?res and Saint-Dionisy.
Enjoying very beautiful surroundings, we are located just 15 km from N?mes
and 40 km from Montpellier,
in the Occitanie region, on the threshold of the Camargue wetlands and the
Cevennes mountain range.
Our villages are nestled at the foot of a hillside covered with evergreen
oak trees, juniper bushes,
thyme, "capitelles" (dry-stone cabins) and with a well-preserved "oppidum"
(iron-age settlement) at its summit.
>From the top, one can marvel at the splendid view over the plain of Vaunage
(stretching between Caveirac and Calvisson),
the Pic Saint Loup and the Mediterranean Sea on the horizon, and to the
recognisable architecture of the Grande Motte (seaside town).
On a clear day, one can even discern the peaks of Mont Loz?re, Mont Aigoual
and Mont Ventoux.
Our two little schools, served by a single school-bus-run, work closely
together within an inter-town educational grouping
("Regroupement P?dagogique Intercommunal") and maintain a privileged
relationship with all of the children.
The Boissi?res school welcomes 61 pupils from infants ("maternelle") to
first grade ("Cours Pr?paratoire") -
in three classes and the Saint-Dionisy school receives daily 73 children
from second grade ("Cours El?mentaire 1re Ann?e")
up to fifth grade ("Cours Moyen 2e Ann?e") - also in three classes.
The pupils are delighted to work together on a common theme between the two
schools.
They are charmed by this wonderful project of being able to communicate
with Thomas Pesquet from space.
They have been carrying out lots of learning work and are making discoveries
about astronomy, the International Space Station and communication.
We can be sure that many are already dreaming of becoming the next Thomas
Pesquet!
Participants will ask as many of the following questions as time allows:
1. Est-ce qu'il fait nuit dans l'espace?
2. Qu'est-ce qui a ?t? le plus difficile dans ta pr?paration?
3. Est-ce que la Terre est belle vue de l'espace?
4. A quoi as-tu pens? juste avant le d?collage?
5. Est-ce que tu manges bien?
6. Tu r?alises ton r?ve. alors ? quoi r?ves-tu l?-haut?
7. Est-ce que c'est bien d'?tre dans l'espace?
8. Un des plus beaux cadeaux de notre enfance serait que tu viennes nous
voir : penses-tu pouvoir r?aliser notre r?ve?
9. Qu'as-tu fait pendant le trajet jusqu'? la station spatiale?
10. Est-ce difficile de vivre en apesanteur?
11. Est-ce qu'il pleut parfois?
12. Quelles ?motions ressens-tu lorsque tu travailles ? l'ext?rieur de l'ISS?
13. Avais-tu un sapin de No?l dans l'ISS?
14. Pourquoi fais-tu des exp?riences sur les v?g?taux dans l'ISS?
15. Y a-t-il des radiateurs dans l'ISS?
16. Est-ce qu'il y a de la vie dans l'espace?
17. Est-ce que tu peux manger glac? ou chaud?
18. Es-tu press? de revenir sur Terre?
19. Comment es-tu habill? dans la station?
20. As-tu d?j? vu passer une m?t?orite par une fen?tre de l'ISS?
Translated:
1. Is it dark in space?
2. What was the hardest thing in your training?
3. Is the Earth beautiful from space?
4. What did you think just before liftoff?
5. Do you eat well?
6. You fulfilled your dream...so what do you dream about up there?
7. Is it good to be in space?
8. The greatest gift of our childhood would be to have you visit us: do you
think our dream might come true?
9. What did you do during the trip to the Space Station?
10. Is it difficult to live without gravity?
11. Does it rain sometimes?
12. What emotions do you feel when you work outside the ISS?
13. Did you have a Christmas tree in the ISS?
14. Why do you do experiments on plants in the ISS?
15. Are there heaters on the ISS?
16. Is there life out in space?
17. Can you eat cold or hot things?
18. Are you in a hurry to come back to Earth?
19. What do you wear in the station?
20. Have you already seen a meteorite from through the window of the ISS?
PLEASE CHECK THE FOLLOWING FOR MORE INFORMATION ON ARISS UPDATES:
Visit ARISS on Facebook. We can be found at Amateur Radio on the
International Space Station (ARISS).
To receive our Twitter updates, follow @xxxxxxxxxxxx
Next planned event(s):
TBD
About ARISS:
Amateur Radio on the International Space Station (ARISS) is a cooperative
venture of international amateur radio societies and the space agencies that
support the International Space Station (ISS). In the United States,
sponsors are the Radio Amateur Satellite Corporation (AMSAT), the American
Radio Relay League (ARRL), the Center for the Advancement of Science in
Space (CASIS) and National Aeronautics and Space Administration (NASA).
The primary goal of ARISS is to promote exploration of science, technology,
engineering, and mathematics (STEM) topics by organizing scheduled contacts
via amateur radio between crew members aboard the ISS and students in
classrooms or informal education venues. With the help of experienced
amateur radio volunteers, ISS crews speak directly with large audiences in a
variety of public forums. Before and during these radio contacts, students,
teachers, parents, and communities learn about space, space technologies,
and amateur radio. For more
information, see www.ariss.org, www.amsat.org, and www.arrl.org.
Thank you & 73,
David - AA4KN
---
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------------------------------
Message: 5
Date: Tue, 21 Feb 2017 22:26:20 -0600
From: Joe <nss@xxx.xxx>
To: amsat-bb@xxxxx.xxx
Subject: Re: [amsat-bb] Yagi Stacking,
Message-ID: <ddb48c3b-8a8b-15dd-796e-3f7605629581@xxx.xxx>
Content-Type: text/plain; charset=utf-8; format=flowed
Now when using that formula on that page,
And you get an answer of 65 for one antenna and 123 for another,
Now if they were identical antennas IE the 65, I would place the two 65
apart correct?
Now if one is 65 and the other is 123, what should be the optimum spacing?
Joe WB9SBD
Sig
The Original Rolling Ball Clock
Idle Tyme
Idle-Tyme.com
http://www.idle-tyme.com
On 2/21/2017 2:44 PM, Mike Thompson wrote:
> I replied to this earlier, but I thought it would be worth sending to the
> whole board.
> The idea is to get each antenna out of the aperture of a smaller antenna as
> much as possible.
>
> Hope this helps.
>
> http://www.ifwtech.co.uk/g3sek/stacking/stacking2.htm
>
> On Tue, Feb 21, 2017 at 1:01 PM, Dave Mann <cwo4mann@xxxxxxx.xxx> wrote:
>
>> Same Question here, RE placing the two 2-M Yagis directly next to each
>> other and 90 degree angles.
>>
>> I read where I can put both of my Cushcraft 3-element Yagis together,
>> spacing the elements on one so that they are ahead or behind the other set
>> of elements. Then binding the two Yagi booms together. Feed line would be
>> one 1/4 wave and one 1/2 wave, "I think". Then the two feed lines would be
>> soldered together and attached to a PL-259.
>>
>> I put a couple of photos of my construction project on the AMSAT Facebook
>> page, but it only shows the 70cm Cushcraft Circularly Polarized Yagi at one
>> end of the cross-boom and a single 3-element Cushcraft Yagi at the other
>> end of the cross-member.
>>
>> I originally placed the second 2-m Yagi at a 1/4 wavelength away from the
>> end Yagis, but saw some pretty high SWR readings on both the 70cm and on
>> both 2-m Yagis.
>>
>> This is more difficult to explain in writing than to actually do. I will
>> get some photos up to my Ham Radio DropBox account and post the link here,
>> "real soon now". Photos here might be more illustrative than my written
>> explanation (pun intended).
>>
>> I appreciate all of the comments and other advice received here and on the
>> Facebook AMSAT page.
>>
>> -------------------------
>>
>> Esto es para mis amigos de habla hispana:
>>
>> La misma pregunta aqu?, RE colocando los dos Yagis 2-M directamente al
>> lado del otro y ?ngulos de 90 grados.
>>
>> Le? donde puedo poner ambos de mis Cushcraft de 3 elementos Yagis juntos,
>> espaciando los elementos en uno para que est?n por delante o detr?s del
>> otro conjunto de elementos. Luego se unen las dos barras de Yagi. La l?nea
>> de alimentaci?n ser?a una onda 1/4 y una onda 1/2, "creo". A continuaci?n,
>> las dos l?neas de alimentaci?n se soldar?an juntas y se unir?an a un
PL-259.
>>
>> Puse un par de fotos de mi proyecto de construcci?n en la p?gina de
>> Facebook de AMSAT, pero s?lo muestra los 70cm Cushcraft circularmente
>> polarizado Yagi en un extremo de la cruz-boom y un solo 3-elemento
>> Cushcraft Yagi en el otro extremo de la cruz- miembro.
>>
>> En un principio coloc? el segundo 2-m Yagi a una longitud de onda 1/4
>> lejos del extremo Yagis, pero vi algunas lecturas bastante altas de SWR en
>> ambos los 70cm y en ambos 2-m Yagis.
>>
>> Esto es m?s dif?cil de explicar por escrito que hacerlo. Voy a obtener
>> algunas fotos hasta mi Ham Radio DropBox cuenta y publicar el enlace aqu?,
>> "muy pronto". Las fotos aqu? pueden ser m?s ilustrativas que mi explicaci?n
>> escrita (juego de palabras).
>>
>> Agradezco todos los comentarios y otros consejos recibidos aqu? y en la
>> p?gina de Facebook AMSAT.
>>
>> 73's
>>
>> Dave
>> N4CVX
>>
>>
>>
>>
>> On 02/21/2017 10:23 AM, Joe wrote:
>>
>>> OK using this image as a reference,
>>>
>>> http://i67.tinypic.com/28mpzkh.jpg
>>>
>>> Ok the yagis are 8 elements on 2 meters and 21 elements on 70 cm.
>>> Similar boom lengths.
>>>
>>> Now when vertically polarized and stacked side by side as in the top
>>> picture how close can they get to each other before starting to mess
>>> with each other.
>>>
>>> Same thing in next image but horizontally polarized so above and below
>>> each other.
>>>
>>> Now if they are 90 deg in rotation IE: one is vertically polarized and
>>> the other horizontal, I'm thinking they could even be on the same boom
>>> correct?
>>>
>>> So that brings in the third drawing same antennas but at 45 deg to the
>>> horizon but 90 to each other, How close can they get without bugging the
>>> other?
>>>
>>> Now with the 45 deg angle thing, how much will a metal cross boom mess
>>> with them?
>>>
>>> Joe WB9SBD
>>>
>> _______________________________________________
>> Sent via AMSAT-BB@xxxxx.xxx. AMSAT-NA makes this open forum available
>> to all interested persons worldwide without requiring membership. Opinions
>> expressed
>> are solely those of the author, and do not reflect the official views of
>> AMSAT-NA.
>> Not an AMSAT-NA member? Join now to support the amateur satellite program!
>> Subscription settings: http://www.amsat.org/mailman/listinfo/amsat-bb
>>
> _______________________________________________
> Sent via AMSAT-BB@xxxxx.xxx. AMSAT-NA makes this open forum available
> to all interested persons worldwide without requiring membership. Opinions
expressed
> are solely those of the author, and do not reflect the official views of
AMSAT-NA.
> Not an AMSAT-NA member? Join now to support the amateur satellite program!
> Subscription settings: http://www.amsat.org/mailman/listinfo/amsat-bb
------------------------------
Message: 6
Date: Tue, 21 Feb 2017 23:32:36 -0500
From: jeffory broughton <jefforybroughton@xxxxx.xxx>
To: amsat-bb@xxxxx.xxx
Subject: [amsat-bb] New nayif keps from Nico
Message-ID:
<CACm2je0cXXEE4_LBegF1NqZ7enEU9+a0MV4tks4cYktBPokRUg@xxxx.xxxxx.xxx>
Content-Type: text/plain; charset=UTF-8
The set of keps posted by Nico are
As perfect as perfect can be .did not
Have to adjust my uplink frequency at all during the entire pass.The. bird
is extremely stable on frequency.
The Aos and Los
Times were exactly when Satpc32 said they would be.The receiver is very
sensitive ,and the transmitter is strong !
Tonight the footprint covered the entire continental U.S.
jeff broughton
------------------------------
Message: 7
Date: Tue, 21 Feb 2017 21:04:30 -0800
From: Greg D <ko6th.greg@xxxxx.xxx>
To: Joe <nss@xxx.xxx>, Dave Mann <cwo4mann@xxxxxxx.xxx>
Cc: amsat-bb@xxxxx.xxx
Subject: Re: [amsat-bb] Yagi Stacking,
Message-ID: <3e3b0699-6402-3261-2521-5f5a794a580d@xxxxx.xxx>
Content-Type: text/plain; charset=UTF-8
Hi Dave, Joe,
According to the fine print, the formula is for antennas more than about
10 elements, and boom lengths 2 wl and longer. Dave's 3 element 2m beam
doesn't quite qualify. Joe, you're probably ok, but still...
I'd put them as far apart as is practical, and not worry so much about
the math. How long is your cross arm? 6 or 8 feet? Start there.
These are relatively blunt instruments; don't over-think it. :)
To Joe's numbers, two of the 65's would be placed 65 (what, inches?)
apart, or about 5'. By the ideal different bands diagram, the mixed
pair would be half of 65 plus half of 123, or 94 apart, or about 8'.
But the different bands practical diagram says, basically, anything
farther than half of whichever is the higher band's distance, so if
that's the 123 antenna, about 5'. So, like I said, 6-8 feet is probably
fine.
Greg KO6TH
Joe wrote:
> Now when using that formula on that page,
> And you get an answer of 65 for one antenna and 123 for another,
>
> Now if they were identical antennas IE the 65, I would place the two
> 65 apart correct?
>
> Now if one is 65 and the other is 123, what should be the optimum
> spacing?
>
> Joe WB9SBD
> Sig
> The Original Rolling Ball Clock
> Idle Tyme
> Idle-Tyme.com
> http://www.idle-tyme.com
> On 2/21/2017 2:44 PM, Mike Thompson wrote:
>> I replied to this earlier, but I thought it would be worth sending to
>> the
>> whole board.
>> The idea is to get each antenna out of the aperture of a smaller
>> antenna as
>> much as possible.
>>
>> Hope this helps.
>>
>> http://www.ifwtech.co.uk/g3sek/stacking/stacking2.htm
>>
>> On Tue, Feb 21, 2017 at 1:01 PM, Dave Mann <cwo4mann@xxxxxxx.xxx> wrote:
>>
>>> Same Question here, RE placing the two 2-M Yagis directly next to each
>>> other and 90 degree angles.
>>>
>>> I read where I can put both of my Cushcraft 3-element Yagis together,
>>> spacing the elements on one so that they are ahead or behind the
>>> other set
>>> of elements. Then binding the two Yagi booms together. Feed line
>>> would be
>>> one 1/4 wave and one 1/2 wave, "I think". Then the two feed lines
>>> would be
>>> soldered together and attached to a PL-259.
>>>
>>> I put a couple of photos of my construction project on the AMSAT
>>> Facebook
>>> page, but it only shows the 70cm Cushcraft Circularly Polarized Yagi
>>> at one
>>> end of the cross-boom and a single 3-element Cushcraft Yagi at the
>>> other
>>> end of the cross-member.
>>>
>>> I originally placed the second 2-m Yagi at a 1/4 wavelength away
>>> from the
>>> end Yagis, but saw some pretty high SWR readings on both the 70cm
>>> and on
>>> both 2-m Yagis.
>>>
>>> This is more difficult to explain in writing than to actually do. I
>>> will
>>> get some photos up to my Ham Radio DropBox account and post the link
>>> here,
>>> "real soon now". Photos here might be more illustrative than my
>>> written
>>> explanation (pun intended).
>>>
>>> I appreciate all of the comments and other advice received here and
>>> on the
>>> Facebook AMSAT page.
>>>
>>> -------------------------
>>>
>>> Esto es para mis amigos de habla hispana:
>>>
>>> La misma pregunta aqu?, RE colocando los dos Yagis 2-M directamente al
>>> lado del otro y ?ngulos de 90 grados.
>>>
>>> Le? donde puedo poner ambos de mis Cushcraft de 3 elementos Yagis
>>> juntos,
>>> espaciando los elementos en uno para que est?n por delante o detr?s del
>>> otro conjunto de elementos. Luego se unen las dos barras de Yagi. La
>>> l?nea
>>> de alimentaci?n ser?a una onda 1/4 y una onda 1/2, "creo". A
>>> continuaci?n,
>>> las dos l?neas de alimentaci?n se soldar?an juntas y se unir?an a un
>>> PL-259.
>>>
>>> Puse un par de fotos de mi proyecto de construcci?n en la p?gina de
>>> Facebook de AMSAT, pero s?lo muestra los 70cm Cushcraft circularmente
>>> polarizado Yagi en un extremo de la cruz-boom y un solo 3-elemento
>>> Cushcraft Yagi en el otro extremo de la cruz- miembro.
>>>
>>> En un principio coloc? el segundo 2-m Yagi a una longitud de onda 1/4
>>> lejos del extremo Yagis, pero vi algunas lecturas bastante altas de
>>> SWR en
>>> ambos los 70cm y en ambos 2-m Yagis.
>>>
>>> Esto es m?s dif?cil de explicar por escrito que hacerlo. Voy a obtener
>>> algunas fotos hasta mi Ham Radio DropBox cuenta y publicar el enlace
>>> aqu?,
>>> "muy pronto". Las fotos aqu? pueden ser m?s ilustrativas que mi
>>> explicaci?n
>>> escrita (juego de palabras).
>>>
>>> Agradezco todos los comentarios y otros consejos recibidos aqu? y en la
>>> p?gina de Facebook AMSAT.
>>>
>>> 73's
>>>
>>> Dave
>>> N4CVX
>>>
>>>
>>>
>>>
>>> On 02/21/2017 10:23 AM, Joe wrote:
>>>
>>>> OK using this image as a reference,
>>>>
>>>> http://i67.tinypic.com/28mpzkh.jpg
>>>>
>>>> Ok the yagis are 8 elements on 2 meters and 21 elements on 70 cm.
>>>> Similar boom lengths.
>>>>
>>>> Now when vertically polarized and stacked side by side as in the top
>>>> picture how close can they get to each other before starting to mess
>>>> with each other.
>>>>
>>>> Same thing in next image but horizontally polarized so above and below
>>>> each other.
>>>>
>>>> Now if they are 90 deg in rotation IE: one is vertically polarized and
>>>> the other horizontal, I'm thinking they could even be on the same boom
>>>> correct?
>>>>
>>>> So that brings in the third drawing same antennas but at 45 deg to the
>>>> horizon but 90 to each other, How close can they get without
>>>> bugging the
>>>> other?
>>>>
>>>> Now with the 45 deg angle thing, how much will a metal cross boom
>>>> mess
>>>> with them?
>>>>
>>>> Joe WB9SBD
>>>>
>>> _______________________________________________
>>> Sent via AMSAT-BB@xxxxx.xxx. AMSAT-NA makes this open forum available
>>> to all interested persons worldwide without requiring membership.
>>> Opinions
>>> expressed
>>> are solely those of the author, and do not reflect the official
>>> views of
>>> AMSAT-NA.
>>> Not an AMSAT-NA member? Join now to support the amateur satellite
>>> program!
>>> Subscription settings: http://www.amsat.org/mailman/listinfo/amsat-bb
>>>
>> _______________________________________________
>> Sent via AMSAT-BB@xxxxx.xxx. AMSAT-NA makes this open forum available
>> to all interested persons worldwide without requiring membership.
>> Opinions expressed
>> are solely those of the author, and do not reflect the official views
>> of AMSAT-NA.
>> Not an AMSAT-NA member? Join now to support the amateur satellite
>> program!
>> Subscription settings: http://www.amsat.org/mailman/listinfo/amsat-bb
>
> _______________________________________________
> Sent via AMSAT-BB@xxxxx.xxx. AMSAT-NA makes this open forum available
> to all interested persons worldwide without requiring membership.
> Opinions expressed
> are solely those of the author, and do not reflect the official views
> of AMSAT-NA.
> Not an AMSAT-NA member? Join now to support the amateur satellite
> program!
> Subscription settings: http://www.amsat.org/mailman/listinfo/amsat-bb
------------------------------
Message: 8
Date: Wed, 22 Feb 2017 03:11:40 -0500
From: AJ9N@xxx.xxx
To: amsat-bb@xxxxx.xxx
Subject: [amsat-bb] Upcoming ARISS Contact Schedule as of 2017-02-22
08:00 UTC
Message-ID: <c4a241.7f18950f.45dea1bc@xxx.xxx>
Content-Type: text/plain; charset="UTF-8"
Upcoming ARISS Contact Schedule as of 2017-02-22 08:00 UTC
Quick list of scheduled contacts and events:
John Glenn Middle School, Maplewood MN, direct via K?JDD
The ISS callsign is presently scheduled to be NA1SS
The scheduled astronaut is Shane Kimbrough KE5HOD
Contact is a go for: Wed 2017-02-22 18:47:59 UTC 25 deg
Ecole primaire Elie Desplan, Boissi?res, France and Marie Castang, Saint
Dionisy, France, direct via F4HHV
The ISS callsign is presently scheduled to be FX?ISS
The scheduled astronaut is Thomas Pesquet KG5FYG
Contact is a go for: Thu 2017-02-23 08:31:45 UTC 48 deg
Ecole Albert Camus, Rueil-Malmaison, France, College Marcel Pagnol,
Rueil-Malmaison, France, and Ecole ?Robespierre B.?, Rueil-Malmaison, France,
direct via F6KFA
The ISS callsign is presently scheduled to be FX?ISS
The scheduled astronaut is Thomas Pesquet KG5FYG
Contact is a go for: Wed 2017-03-01 08:04:44 UTC 77 deg (***)
Student Space Technology Association, Knoxville, TN, direct via AA4UT
The ISS callsign is presently scheduled to be NA1SS
The scheduled astronaut is Shane Kimbrough KE5HOD
Contact is a go for: Wed 2017-03-01 19:08:03 UTC 49 deg (***)
****************************************************************************
**
ARISS is always glad to receive listener reports for the above contacts.
ARISS thanks everyone in advance for their assistance. Feel free to send
your reports to aj9n@xxxxx.xxx or aj9n@xxx.xxx.
****************************************************************************
***
Message to US Educators (***)
Amateur Radio on the International Space Station
Contact Opportunity
Call for Proposals
Proposal Window February 15 ? April 15, 2017
The Amateur Radio on the International Space Station (ARISS) Program is
seeking formal and informal education institutions and organizations,
individually or working together, to host an Amateur Radio contact with a
crew
member on board the ISS. ARISS anticipates that the contact would be held
between January 1, 2018 and June 30, 2018. Crew scheduling and ISS orbits
will
determine the exact contact dates. To maximize these radio contact
opportunities, ARISS is looking for organizations that will draw large
numbers of
participants and integrate the contact into a well-developed education
plan.
The deadline to submit a proposal is April 15, 2017. Proposal information
and documents can be found at www.arrl.org/hosting-an-ariss-contact.
The Opportunity
Crew members aboard the International Space Station will participate in
scheduled Amateur Radio contacts. These radio contacts are approximately 10
minutes in length and allow students to interact with the astronauts through
a question-and-answer session.
An ARISS contact is a voice-only communication opportunity via Amateur
Radio between astronauts and cosmonauts aboard the space station and
classrooms and communities. ARISS contacts afford education audiences the
opportunity to learn firsthand from astronauts what it is like to live and
work in
space and to learn about space research conducted on the ISS. Students also
will have an opportunity to learn about satellite communication, wireless
technology, and radio science. Because of the nature of human spaceflight and
the complexity of scheduling activities aboard the ISS, organizations must
demonstrate flexibility to accommodate changes in dates and times of the
radio contact.
Amateur Radio organizations around the world, NASA, and space agencies in
Russia, Canada, Japan and Europe sponsor this educational opportunity by
providing the equipment and operational support to enable direct
communication between crew on the ISS and students around the world via
Amateur Radio.
In the US, the program is managed by AMSAT (Radio Amateur Satellite
Corporation) and ARRL (American Radio Relay League) in partnership with
NASA and
CASIS (Center for the Advancement of Science in Space).
More Information
Interested parties can find more information about the program at
www.ariss.org and www.arrl.org/ARISS.
For proposal information and more details such as expectations, proposal
guidelines and proposal form, and dates and times of Information Sessions go
to http://www.arrl.org/hosting-an-ariss-contact.
Please direct any questions to ariss@xxxx.xxx.
****************************************************************************
***
ARISS is always glad to receive listener reports for the above contacts.
ARISS thanks everyone in advance for their assistance. Feel free to send
your reports to aj9n@xxxxx.xxx or aj9n@xxx.xxx.
Listen for the ISS on the downlink of 145.8? MHz.
****************************************************************************
***
All ARISS contacts are made via the Kenwood radio unless otherwise noted.
****************************************************************************
***
Several of you have sent me emails asking about the RAC ARISS website and
not being able to get in. That has now been changed to
http://www.ariss.org/
Note that there are links to other ARISS websites from this site.
****************************************************************************
Looking for something new to do? How about receiving DATV from the ISS?
If interested, then please go to the ARISS-EU website for complete
details. Look for the buttons indicating Ham Video.
http://www.ariss-eu.org/
If you need some assistance, ARISS mentor Kerry N6IZW, might be able to
provide some insight. Contact Kerry at kbanke@xxxxxxxxx.xxx
****************************************************************************
ARISS congratulations the following mentors who have now mentored over 100
schools:
Satoshi 7M3TJZ with 123
Gaston ON4WF with 123
Francesco IK?WGF with 119
****************************************************************************
The webpages listed below were all reviewed for accuracy. Out of date
webpages were removed and new ones have been added. If there are
additional
ARISS websites I need to know about, please let me know.
Note, all times are approximate. It is recommended that you do your own
orbital prediction or start listening about 10 minutes before the listed
time.
All dates and times listed follow International Standard ISO 8601 date and
time format YYYY-MM-DD HH:MM:SS
The complete schedule page has been updated as of 2017-02-22 08:00 UTC.
(***)
Here you will find a listing of all scheduled school contacts, and
questions, other ISS related websites, IRLP and Echolink websites, and
instructions for any contact that may be streamed live.
http://www.amsat.org/amsat/ariss/news/arissnews.rtf
http://www.amsat.org/amsat/ariss/news/arissnews.txt
Total number of ARISS ISS to earth school events is 1115.
Each school counts as 1 event.
Total number of ARISS ISS to earth school contacts is 1079.
Each contact may have multiple schools sharing the same time slot.
Total number of ARISS supported terrestrial contacts is 47.
A complete year by year breakdown of the contacts may be found in the
file.
http://www.amsat.org/amsat/ariss/news/arissnews.rtf
Please feel free to contact me if more detailed statistics are needed.
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
The following US states and entities have never had an ARISS contact:
Arkansas, Delaware, South Dakota, Wyoming, American Samoa, Guam, Northern
Marianas Islands, and the Virgin Islands.
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
QSL information may be found at:
http://www.ariss.org/qsl-cards.html
ISS callsigns: DP?ISS, IR?ISS, NA1SS, OR4ISS, RS?ISS
****************************************************************************
The successful school list has been updated as of 2017-02-15 06:00 UTC.
http://www.amsat.org/amsat/ariss/news/Successful_ARISS_schools.rtf
Frequency chart for packet, voice, and crossband repeater modes showing
Doppler correction as of 2005-07-29 04:00 UTC
http://www.amsat.org/amsat/ariss/news/ISS_frequencies_and_Doppler_correction
.rtf
Listing of ARISS related magazine articles as of 2006-07-10 03:30 UTC.
http://www.amsat.org/amsat/ariss/news/ARISS_magazine_articles.rtf
Check out the Zoho reports of the ARISS contacts
https://reports.zoho.com/ZDBDataSheetView.cc?DBID=412218000000020415
****************************************************************************
Exp. 49 on orbit
Shane Kimbrough KE5HOD
Andrei Borisenko
Sergey Ryzhikov
Exp. 50 on orbit
Peggy Whitson
Thomas Pesquet KG5FYG
Oleg Novitskiy
****************************************************************************
73,
Charlie Sufana AJ9N
One of the ARISS operation team mentors
------------------------------
Subject: Digest Footer
_______________________________________________
Sent via amsat-bb@xxxxx.xxx.
AMSAT-NA makes this open forum available to all interested persons worldwide
without requiring membership. Opinions expressed
are solely those of the author, and do not reflect the official views of
AMSAT-NA.
Not an AMSAT member? Join now to support the amateur satellite program!
http://www.amsat.org/mailman/listinfo/amsat-bb
------------------------------
End of AMSAT-BB Digest, Vol 12, Issue 48
****************************************
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