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CX2SA > SATDIG 12.07.15 18:23l 1109 Lines 33919 Bytes #999 (0) @ WW
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Sent: 150712/1616Z @:CX2SA.SAL.URY.SOAM #:23839 [Salto] FBB7.00e $:AMSATBB10200
From: CX2SA@CX2SA.SAL.URY.SOAM
To : SATDIG@WW
Today's Topics:
1. Re: Handheld for LEO satellites? (David G0MRF)
2. Re: Handheld for LEO satellites? (Andrew Glasbrenner)
3. Re: Handheld for LEO satellites? (Steve Kristoff)
4. Re: DeorbitSail identified (Joe Fitzgerald)
5. CM86, now! (Patrick STODDARD (WD9EWK/VA7EWK))
6. DeorbitSat - Warbler vs SoundModem comparison (Ken Swaggart)
7. Re: DeorbitSail identified (D Sail)
8. New Edited Video of ISS Kopernik Contact from Yesterday
(John Brier)
9. ANS-193 AMSAT News Service Weekly Bulletins (Lee McLamb)
10. Re: BPSK demodulators? (Edson W. R. Pereira)
11. NO84 telemetry (Steve Kristoff)
12. Re: NO84 telemetry (Mike Rupprecht)
----------------------------------------------------------------------
Message: 1
Date: Sat, 11 Jul 2015 13:33:59 -0400
From: David G0MRF <g0mrf@xxx.xxx>
To: skristof@xxxxxxx.xxxx amsat-bb@xxxxx.xxx
Subject: Re: [amsat-bb] Handheld for LEO satellites?
Message-ID: <14e7e2e4869-7104-4440@xxxxxxxxxx.xxxx.xxx.xxx>
Content-Type: text/plain; charset=utf-8
Sounds like a good plan Steve.
My only thoughts are:
1) You may lose some power through the duplexer. I recall they can be quite
lossy.
2) The desense on UHF may be 3rd harmonic. In which case the duplexer or a
low pass filter will be OK in the 2m side. But..
3) The 'desense' may be due to the UHF radio input being unfiltered...In
which case it is 2m overload. In that case you need a high pass filter on
the UHF radio input.
I really hope it isn't the same as my ICOM 706G which transmits phase noise
everywhere. - No cure for that !
Good luck.
David
-----Original Message-----
From: Steve Kristoff <skristof@xxxxxxx.xxx>
To: amsat-bb bb <amsat-bb@xxxxx.xxx>
Sent: Sat, 11 Jul 2015 18:22
Subject: Re: [amsat-bb] Handheld for LEO satellites?
I ended up getting two Baofeng UV82R HTs. They work fine, but they have the
same problem of the UHF radio desensing when I transmit with the VHF. So,
not full duplex.
I did just buy the Arrow Duplexer to go with my Arrow
Antenna. My plan is to
still use two radios and just use the duplexer on the
VHF uplink side to see
if it kills the third harmonic enough to prevent
desensing of the UHF radio.
I can give a report after I try it.
If anyone sees
a problem in my plan, please speak up soon before I fry
something.
Thank
you!
Steve AI9IN
----- Original Message -----
From: "Dennis Griffin"
<kd7cac@xxxxx.xxx>
To: "Paul Stoetzer" <n8hm@xxxx.xxx>
Cc: "amsat-bb bb"
<amsat-bb@xxxxx.xxx>
Sent: Saturday, July 11, 2015 12:37 PM
Subject: Re:
[amsat-bb] Handheld for LEO satellites?
> Do you think that the desense
might be mitigated by using an Arrow dual
> band yagi with duplexer?
>
> TIA
& 73 de Dennis KD7CAC
> Scottsdale, AZ
>
>
>> On Jan 21, 2015, at 12:49 PM,
Paul Stoetzer <n8hm@xxxx.xxx> wrote:
>>
>> If you transmit on VHF, it will
desense on UHF and you won't be able to
>> hear yourself on SO-50, negating the
purpose of being full-duplex.
>>
>> It might be OK for satellites with a UHF
uplink and a VHF downlink, but
>> that remains to be seen. The same thing
applies to the Wouxoun KG-UV8D.
>>
>> 73,
>>
>> Paul, N8HM
>>
>> On Wed,
Jan 21, 2015 at 2:43 PM, Steve Kristoff <skristof@xxxxxxx.xxx>
>>
wrote:
>>
>>> The Alinco DJ-G7 claims to be full-duplex capable. Anybody have
thoughts
>>> on
>>> that radio?
>>>
>>> Steve AI9IN
>>>
skristof@xxxxxxx.xxx
> _______________________________________________
> 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: 2
Date: Sat, 11 Jul 2015 13:36:35 -0400
From: Andrew Glasbrenner <glasbrenner@xxxxxxxxxx.xxx>
To: Steve Kristoff <skristof@xxxxxxx.xxx>
Cc: amsat-bb bb <amsat-bb@xxxxx.xxx>
Subject: Re: [amsat-bb] Handheld for LEO satellites?
Message-ID: <89EA4357-1F83-4981-9080-6A495DA39695@xxxxxxxxxx.xxx>
Content-Type: text/plain; charset=us-ascii
The diplexer will likely be more effective as a high pass filter on the UHF
receive, but try both configurations.
73, Drew KO4MA
Sent from my iPhone
> On Jul 11, 2015, at 1:22 PM, Steve Kristoff <skristof@xxxxxxx.xxx> wrote:
>
> I ended up getting two Baofeng UV82R HTs. They work fine, but they have
the same problem of the UHF radio desensing when I transmit with the VHF.
So, not full duplex.
> I did just buy the Arrow Duplexer to go with my Arrow Antenna. My plan is
to still use two radios and just use the duplexer on the VHF uplink side to
see if it kills the third harmonic enough to prevent desensing of the UHF
radio.
> I can give a report after I try it.
> If anyone sees a problem in my plan, please speak up soon before I fry
something.
> Thank you!
>
> Steve AI9IN
>
> ----- Original Message ----- From: "Dennis Griffin" <kd7cac@xxxxx.xxx>
> To: "Paul Stoetzer" <n8hm@xxxx.xxx>
> Cc: "amsat-bb bb" <amsat-bb@xxxxx.xxx>
> Sent: Saturday, July 11, 2015 12:37 PM
> Subject: Re: [amsat-bb] Handheld for LEO satellites?
>
>
>> Do you think that the desense might be mitigated by using an Arrow dual
band yagi with duplexer?
>>
>> TIA & 73 de Dennis KD7CAC
>> Scottsdale, AZ
>>
>>
>>> On Jan 21, 2015, at 12:49 PM, Paul Stoetzer <n8hm@xxxx.xxx> wrote:
>>>
>>> If you transmit on VHF, it will desense on UHF and you won't be able to
>>> hear yourself on SO-50, negating the purpose of being full-duplex.
>>>
>>> It might be OK for satellites with a UHF uplink and a VHF downlink, but
>>> that remains to be seen. The same thing applies to the Wouxoun KG-UV8D.
>>>
>>> 73,
>>>
>>> Paul, N8HM
>>>
>>> On Wed, Jan 21, 2015 at 2:43 PM, Steve Kristoff <skristof@xxxxxxx.xxx>
>>> wrote:
>>>
>>>> The Alinco DJ-G7 claims to be full-duplex capable. Anybody have
thoughts on
>>>> that radio?
>>>>
>>>> Steve AI9IN
>>>> skristof@xxxxxxx.xxx
>> _______________________________________________
>> 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: 3
Date: Sat, 11 Jul 2015 13:46:43 -0400
From: "Steve Kristoff" <skristof@xxxxxxx.xxx>
To: <amsat-bb@xxxxx.xxx>
Subject: Re: [amsat-bb] Handheld for LEO satellites?
Message-ID: <4857FF3BD61044CD8501384AED1B5F7F@xxxxxxx>
Content-Type: text/plain; format=flowed; charset="iso-8859-1";
reply-type=original
Thanks for the feedback, David!
My "plan B" is to try the duplexer on the UHF receive side, if plan A
doesn't work.
I'm probably out of plans after that, at least for a while.
Steve AI9IN
----- Original Message -----
From: "David G0MRF via AMSAT-BB" <amsat-bb@xxxxx.xxx>
To: <skristof@xxxxxxx.xxx>; <amsat-bb@xxxxx.xxx>
Sent: Saturday, July 11, 2015 1:33 PM
Subject: Re: [amsat-bb] Handheld for LEO satellites?
>
> Sounds like a good plan Steve.
>
> My only thoughts are:
>
> 1) You may lose some power through the duplexer. I recall they can be
> quite lossy.
> 2) The desense on UHF may be 3rd harmonic. In which case the duplexer or a
> low pass filter will be OK in the 2m side. But..
> 3) The 'desense' may be due to the UHF radio input being unfiltered...In
> which case it is 2m overload. In that case you need a high pass filter on
> the UHF radio input.
>
> I really hope it isn't the same as my ICOM 706G which transmits phase
> noise everywhere. - No cure for that !
>
> Good luck.
>
> David
>
>
> -----Original Message-----
> From: Steve Kristoff <skristof@xxxxxxx.xxx>
> To: amsat-bb bb <amsat-bb@xxxxx.xxx>
> Sent: Sat, 11 Jul 2015 18:22
> Subject: Re: [amsat-bb] Handheld for LEO satellites?
>
>
> I ended up getting two Baofeng UV82R HTs. They work fine, but they have
> the
>
> same problem of the UHF radio desensing when I transmit with the VHF. So,
>
> not full duplex.
> I did just buy the Arrow Duplexer to go with my Arrow
> Antenna. My plan is to
> still use two radios and just use the duplexer on the
> VHF uplink side to see
> if it kills the third harmonic enough to prevent
> desensing of the UHF radio.
> I can give a report after I try it.
> If anyone sees
> a problem in my plan, please speak up soon before I fry
> something.
> Thank
> you!
>
> Steve AI9IN
>
> ----- Original Message -----
> From: "Dennis Griffin"
> <kd7cac@xxxxx.xxx>
> To: "Paul Stoetzer" <n8hm@xxxx.xxx>
> Cc: "amsat-bb bb"
> <amsat-bb@xxxxx.xxx>
> Sent: Saturday, July 11, 2015 12:37 PM
> Subject: Re:
> [amsat-bb] Handheld for LEO satellites?
>
>
>> Do you think that the desense
> might be mitigated by using an Arrow dual
>> band yagi with duplexer?
>>
>> TIA
> & 73 de Dennis KD7CAC
>> Scottsdale, AZ
>>
>>
>>> On Jan 21, 2015, at 12:49 PM,
> Paul Stoetzer <n8hm@xxxx.xxx> wrote:
>>>
>>> If you transmit on VHF, it will
> desense on UHF and you won't be able to
>>> hear yourself on SO-50, negating the
> purpose of being full-duplex.
>>>
>>> It might be OK for satellites with a UHF
> uplink and a VHF downlink, but
>>> that remains to be seen. The same thing
> applies to the Wouxoun KG-UV8D.
>>>
>>> 73,
>>>
>>> Paul, N8HM
>>>
>>> On Wed,
> Jan 21, 2015 at 2:43 PM, Steve Kristoff <skristof@xxxxxxx.xxx>
>>>
> wrote:
>>>
>>>> The Alinco DJ-G7 claims to be full-duplex capable. Anybody have
> thoughts
>>>> on
>>>> that radio?
>>>>
>>>> Steve AI9IN
>>>>
> skristof@xxxxxxx.xxx
>> _______________________________________________
>> 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
>
Steve Kristoff
skristof@xxxxxxx.xxx
"A few chords strummed on a ukulele, enough to please a few others beside
yourself, does more good in this world than the combined efforts of all the
financiers and politicians that ever lived." - Frank Littig, Littig's New
Harmony Self Instructor Chords for Ukulele, Banjuke or Taro Patch Fiddle,
Chart Music Publishing House, Chicago, Illinois, 1924
------------------------------
Message: 4
Date: Sat, 11 Jul 2015 13:49:11 -0400
From: Joe Fitzgerald <jfitzgerald@xxxx.xxx.xxx>
To: amsat-bb@xxxxx.xxx
Subject: Re: [amsat-bb] DeorbitSail identified
Message-ID: <55A15717.8030901@xxxx.xxx.xxx>
Content-Type: text/plain; charset=windows-1252
On 7/11/2015 8:35 AM, Nico Janssen wrote:
> Using detailed doppler shift measurements, I find that DeorbitSail is
> object 40719, 2015-032E, without any doubt.
Based on this info, I have updated nasabare.txt as well as the pass
prediction page on www.amsat.org
Thanks for your good work Nico!
-Joe KM1P
------------------------------
Message: 5
Date: Sat, 11 Jul 2015 19:46:18 +0000
From: "Patrick STODDARD (WD9EWK/VA7EWK)" <amsat-bb@xxxxxx.xxx>
To: "amsat-bb@xxxxx.xxxx <amsat-bb@xxxxx.xxx>
Subject: [amsat-bb] CM86, now!
Message-ID:
<CAN6TEUc_L_eVp6crV=EKt7ob7cs3xdAuffD_h_-_OV28+sabHw@xxxx.xxxxx.xxx>
Content-Type: text/plain; charset=UTF-8
Hi!
I am in Santa Cruz CA, in grid CM86xw, ready to work passes
for the next 4+ hours, starting with the ISS at 1956 UTC (please
use APRS messaging to work me). I may be able to make another
try for CM96 later.
73!
Patrick WD9EWK/VA7EWK
http://www.wd9ewk.net/
Twitter: @xxxxxx
------------------------------
Message: 6
Date: Sat, 11 Jul 2015 12:59:20 -0700
From: "Ken Swaggart" <k.swaggart@xxxxxxx.xxx>
To: "AMSAT-BB" <amsat-bb@xxxxx.xxx>
Subject: [amsat-bb] DeorbitSat - Warbler vs SoundModem comparison
Message-ID: <6960E1D6A42E42B8A2889CC4C28F021E@xxxxxxx>
Content-Type: text/plain; charset="iso-8859-1"
During the 1940Z pass, 7 degrees max elevation over the Pacific, I ran both
Warbler and SoundModem ver 0.83b. SoundModem captured slightly more than
twice the frames that Warbler captured ( 14 vs 6). I did have to un-tick the
non-AX.25 filter option in the SoundModem settings for BPSK AX.25 1200 baud.
Thanks to all the responses to my BPSK demodulator query.
73,
Ken, W7KKE
------------------------------
Message: 7
Date: Sat, 11 Jul 2015 21:02:18 +0100
From: D Sail <deorbitsail.messages@xxxxx.xxx>
To: Nico Janssen <hamsat@xxxxxx.xx>
Cc: "amsat-bb@xxxxx.xxxx <amsat-bb@xxxxx.xxx>
Subject: Re: [amsat-bb] DeorbitSail identified
Message-ID:
<CAEAg_9xUzfjeofjO21sHb36gCs5UJuDCZ2+=gwA+iJD0OjY=6g@xxxx.xxxxx.xxx>
Content-Type: text/plain; charset=UTF-8
Many thanks Nico! 73 Chris
On Sat, Jul 11, 2015 at 1:35 PM, Nico Janssen <hamsat@xxxxxx.xx> wrote:
> All,
>
> Using detailed doppler shift measurements, I find that DeorbitSail is
> object 40719, 2015-032E, without any doubt.
>
> 73,
> Nico PA0DLO
>
>
>
------------------------------
Message: 8
Date: Sat, 11 Jul 2015 19:17:50 -0400
From: John Brier <johnbrier@xxxxx.xxx>
To: AMSAT BB <amsat-bb@xxxxx.xxx>
Subject: [amsat-bb] New Edited Video of ISS Kopernik Contact from
Yesterday
Message-ID:
<CALn0fKPgZEmcZ6ZJ_8PgWbEa3=ha+uvR9eW_+a87PYmLukhjeQ@xxxx.xxxxx.xxx>
Content-Type: text/plain; charset=UTF-8
Video from my reception of the International Space Station (ISS)
contact with Kopernik Observatory & Science Center in Vestal, New York
July 10th, 2015, as received in Raleigh, North Carolina on top of a
landfill park.
http://youtu.be/LGFEanljOG8
John Brier, KG4AKV
------------------------------
Message: 9
Date: Sun, 12 Jul 2015 00:31:58 -0400
From: Lee McLamb <ku4os@xxx.xx.xxx>
To: amsat-bb@xxxxx.xxx
Subject: [amsat-bb] ANS-193 AMSAT News Service Weekly Bulletins
Message-ID: <55A1EDBE.8080700@xxx.xx.xxx>
Content-Type: text/plain; charset=utf-8; format=flowed
AMSAT NEWS SERVICE
ANS-193
The AMSAT News Service bulletins are a free, weekly news and infor-
mation service of AMSAT North America, The Radio Amateur Satellite
Corporation. ANS publishes news related to Amateur Radio in Space
including reports on the activities of a worldwide group of Amateur
Radio operators who share an active interest in designing, building,
launching and communicating through analog and digital Amateur Radio
satellites.
The news feed on http://www.amsat.org publishes news of Amateur
Radio in Space as soon as our volunteers can post it.
Please send any amateur satellite news or reports to:
ans-editor at amsat.org.
In this edition:
* DeorbitSail Launch Information
* AMSAT Field Day Submission Deadline 13 July 2015
* AMSAT Featured on Live W5KUB.com Tuesday, July 14 Webcast
* International Space Colloquium at Guildford
* ARISS Challenge Coin
* Delfi-C3 RASCAL Update Necessary for New Server IP Address
* CAMSAT Launch Postponement
SB SAT @ AMSAT $ANS-193.01
ANS-193 AMSAT News Service Weekly Bulletins
AMSAT News Service Bulletin 193.01
From AMSAT HQ Kensington, MD.
July 12, 2015
To All RADIO AMATEURS
BID: $ANS-193.01
DeorbitSail Launch Information
The CubeSat DeorbitSail built by researchers and radio amateurs at the
Surrey
Space Centre in Guildford carries a 1200 bps BPSK beacon on 145.975 MHz.
The
satellite was successfully launched at 1628 UT on Friday, July 10.
DeorbitSail is a 3U CubeSat sized satellite with a deployable sail that
will
demonstrate rapid deorbiting.
Chris Bridges 2E0OBC writes:
Dear AMSAT?ers, CubeSat?ers, Friends,
Please find attached exclusive details of a UK CubeSat called
DeorbitSail flying
out tomorrow evening on PSLV. Please feel free to distribute to other
hams that
can help out.
This contains all the info you should need including:
? Initial TLE
? DeorbitSail Flyer > Launch details, etc.
? Predicted first packet transmission on 145.975 MHz, 1k2 BPSK -> we
predict to
be over Russia in the evening.
First packets sent in will get a Signed Certificate of thanks from the
team!
If you have any telemetry or TLE/frequency information, please send it
to me
and/or to deorbitsail.messages@xxxxx.xxx so we can quickly learn our
satellite
state.
Any questions, don?t hesitate to ask!
73 Chris 2E0OBC
DEORBITSAIL
1 55554U 58056A 15191.72643157 .00000000 00000-0 +13828-4 0 335
2 55554 97.9842 81.0881 0007584 273.9578 86.0949 14.75593446209360
Follow @xxxxxxxxxxxxx on Twitter
Deorbitsail website
http://www.surrey.ac.uk/ssc/research/space_vehicle_control/deorbitsail/
ISRO PSLV-C28 / DMC3 Mission
http://www.isro.gov.in/launcher/pslv-c28-dmc3-mission
[ANS thanks Chris 2E0OBC, for the above information]
---------------------------------------------------------------------
AMSAT Field Day Submission Deadline 13 July 2015
For those of you that only worked one or two stations on the satellite
or if you
worked 10, 20, 50 or more stations, please still submit your scores for
Field
Day. Although the form online at http://www.amsat.org (click on the
Events tab
and then the Field Day link) is in PDF format, you can copy and paste the
submission portion into Word (amazing how they migrate back and forth).
Or you
can download the DOCX file from http://www.amsatnet.com/fd2015.docx
Please remember that ARRL submissions are due much later than our
submission
date. Your submission must be received by 11:59 PM Central Time on July
13, 2015
(Monday). That will leave less than a week to tabulate and write the
article for
the Journal. Please include any pictures that will show off your field
day site.
We have had flamingos, long horn steers, clocks running on lemons, campers,
ladder towers and all kinds of neat stuff in the past.
You will receive confirmation that your submission was received, usually
sometime that day. If you do not receive confirmation, please send to
the other
email address, or send to both at the same time.
kk5do@xxxx.xxx
kk5do@xxxxx.xxx
[ANS thanks Bruce, KK5DO, for the above information]
---------------------------------------------------------------------
AMSAT Featured on Live W5KUB.com Tuesday, July 14 Webcast
Join hosts Ted Randall, WB8PUM, and Tom Medlin, W5KUB, on the live ham show
Tuesday, July 14, at 8:00 PM CT on W5KUB.com. In addition to watching on
w5kub.com, this show is simulcast on powerful shortwave station WTWW on
5085
KHz. Call-in phone lines are open during the show.
Guests this week include AMSAT Vice President Engineering Jerry Buxton,
N0JY and
Vice President Operations Drew Glasbrenner, KO4MA. Jerry and Drew will talk
about the latest AMSAT information:
+ Fox-1A launch coming this fall
+ Operational satellites
+ AMSAT's future opportunities
The webcast window and an accompanying chat room for the show are on
Tom's web
page: http://w5kub.com/
If you wish to get on the chat room you'll need to pre-register with
Tom's site.
When you get to W5KUB.com the chat room should open automatically. Or,
you can
click on the icon at the bottom right of Tom's page. Select "new user".
Many use
their call sign for their username.
The webcast is recorded and is available a day or so later if you miss
the live
show.
[ANS thanks Tom Medlin, W5KUB for the above information]
---------------------------------------------------------------------
International Space Colloquium at Guildford
The AMSAT-UK International Space Colloquium will be held on July 24-
26 at the Holiday Inn, Guildford, GU2 7XZ, UK.
Among the speakers will be:
? Peter Guelzow DB2OS with an update on AMSAT-DL projects, including
the Phase 4 satellite
? Chris Brunskill, formerly of Surrey Space Centre (SSC), now
working at the Space Catapult at the Harwell Campus. He will be
presenting an extremely novel project aimed at schools and education
? It is hoped the BATC will be able to demonstrate live Digital TV
reception from the International Space Station, using the Ham TV
system
? Drew Glasbrenner KO4MA, from AMSAT North America will be
attending, and presenting the latest news of the FOX satellite(s) due
for launch later this year, and also on their Phase 4 project
The Colloquium is open to all further information is at
http://amsat-uk.org/colloquium/
[ANS thanks AMSAT-UK for the above information]
---------------------------------------------------------------------
ARISS Challenge Coin
The Amateur Radio on the International Space Station (ARISS) program is
announcing a brand new ARISS Challenge Coin that will be a thank you
memento to
donors who give to ARISS. The beautiful coin will be a keepsake to
treasure.
The ARISS program relies on resource support from NASA, ARRL, AMSAT, and
individual donors to ensure continuing the day-to-day operations and
communications, and to pay for space-flight certification of equipment.
Current
finances to sustain operations in future years are insufficient.
The ARISS program is initiating a fundraising campaign with the goal of
securing
greater financial stability for the program.
According to ARISS International Chair Frank Bauer, KA3HDO, ?To assure the
future of the program we are looking to individuals and corporate
sponsors to
provide the resources we will need to sustain operations and to acquire
needed
equipment upgrades.?
Plans are underway to develop a new higher power Amateur Radio station
for the
ISS Columbus module. The current radio is a lower power unit that
sometimes
results in weak signals. A new radio system will improve the
communications for
education groups whose students are scheduled for ARISS contacts and
related
educational activities. The new system will also allow greater
interoperability
between the Columbus Module and the Russian Service Module. Integration
of the
equipment into the ISS infrastructure and required testing and
certification
require hours of engineering resources that ARISS must pay for and cannot
afford.
Each ARISS contact offers the opportunity to inspire young people
through ARISS?
unique window into space exploration activities, opening the horizon of
possibilities of a career in a STEM field. Each contact also introduces
students
and their communities to Amateur Radio?all positives for Amateur Radio
and our
country and world.
ARISS needs your help to secure these opportunities for the future.
Individuals
may make donations to ARISS online at www.amsat.org by selecting the
?Donate
ARISS? button. (AMSAT-NA will provide people resources to handle your
gifts to
ARISS.) Individuals contributing $100 US or more will receive the brand new
ARISS Challenge Coin. Corporate donors may contact Frank Bauer at
KA3HDO@xxxxxxx.xxx or ARISS@xxxx.xxx.
[ANS thanks ARISS for the above information]
---------------------------------------------------------------------
Delfi-C3 RASCAL Update Necessary for New Server IP Address
Wouter Weggelaar, PA3WEG, reported this week that due to security and
maintenance reasons the Delfi-C3 team had to migrate the Delfi-C3 telemetry
server to a new environment. This change also required that the IP address
for uploading data needed to change. This means your server settings in
RASCAL need to be updated to:
New IP: 131.180.122.144
Port: 1099
On July 9 Wouter reported, "The migration has been completed almost without
a problem. We still have some minor issues to sort out. Telemetry
submission
is operating normally but the database performance seems slow. This makes
processing more difficult on our end. New user accounts cannot be created
but new users can successfully submit received data via the 'guest'
account."
The team reports that Delfi-C3 is doing great. They have long exceeded the
design lifetime of the satellite and she continues to work well. They
appreciate your help in
acquiring data of Delfi-C3 and hope that you continue to track their "old"
bird in the future as well!
[ANS thanks Wouter Weggelaar, PA3WEG and the Delfi-C3 team for the above
information]
---------------------------------------------------------------------
CAMSAT Launch Postponement
A launch postponement has been announced for Beijing?s new CZ-6 rocket
which is
planned to carry a constellation of amateur radio satellites.
Soon to be launched six CAMSAT satellites CAS-3A to F have now been
named as
XW-2 (Hope-2) amateur satellite system, and correspond to the XW-2A to F.
All the satellites have completed environmental testing, currently being
burn-in
tests, everything is underway. The satellites will be moved to the
launch center
in mid-August and launch date has been postponed to early September.
[ANS thanks Alan, BA1DU, for the above information]
In addition to regular membership, AMSAT offers membership in the
President's Club. Members of the President's Club, as sustaining
donors to AMSAT Project Funds, will be eligible to receive addi-
tional benefits. Application forms are available from the AMSAT
Office.
Primary and secondary school students are eligible for membership
at one-half the standard yearly rate. Post-secondary school students
enrolled in at least half time status shall be eligible for the stu-
dent rate for a maximum of 6 post-secondary years in this status.
Contact Martha at the AMSAT Office for additional student membership
information.
73,
This week's ANS Editor,
Lee McLamb, KU4OS
ku4os at amsat dot org
------------------------------
Message: 10
Date: Sun, 12 Jul 2015 08:33:25 -0300
From: "Edson W. R. Pereira" <ewpereira@xxxxx.xxx>
To: "PE0SAT | Amateur Radio" <pe0sat@xxxxx.xx>
Cc: Amsat BB <amsat-bb@xxxxx.xxx>
Subject: Re: [amsat-bb] BPSK demodulators?
Message-ID:
<CALNQy48_GuzELKuFg5eVKsgZH9BGtEw_FziPDWRe7Ng-BEQaAQ@xxxx.xxxxx.xxx>
Content-Type: text/plain; charset=UTF-8
Hi Jan,
I've donwloaded the IQ file and run the demodulated audio through
soundmodem. The performance is quite impressive indeed. It was also nice to
see the 2400 bps BPSK activity. Soundmodem could decode de 2400 bps BPSK
signals quite well.
Last night I monitored QB50p1 with soundmodem and warbler. As Ken has
observed, soudmodem decodes about twice more frames. I had the BitRecovery
in sourmodem set to 1. This may have helped as well a little.
It would be quite good if FEC was more widely used in amateur satellite
projects. Monitoring the BPSK1200 signals from FunCube-1 shows clearly the
power of FEC. Sometimes we can barely hear the signal or there is a deep
fading and frames are correctly decoded. The BPSK1000 used in ArissSat-1
was another excelent demonstration of the benefits of FEC.
73, Edson PY2SDR
---
- We humans have the capability to do amazing things if we work together.
- N?s seres humanos temos a capacidade de fazer coisas incr?veis se
trabalharmos juntos.
On Sat, Jul 11, 2015 at 1:45 PM, PE0SAT | Amateur Radio <pe0sat@xxxxx.xx>
wrote:
> Hi Edson,
>
> You won't regret it, it is a superb sound-modem and also has the ability
> to serve as a AGW and/or kiss server.
>
> Give my IQ recording on http://janvgils.home.xs4all.nl/download/QB50px/ a
> go
> with this version and you'll be astonished
>
> 73 Jan PE0SAT
>
>
> On 11-07-2015 18:29, Edson W. R. Pereira wrote:
>
>> Thanks, Adrian,
>>
>> I wasn't aware that the UZ7HO soudmodem software now supports 1200 BPS
>> BPSK
>> (as well as a number of other modes). I will give it a try.
>>
>> 73, Edson PY2SDR
>>
>>
>> ---
>> - We humans have the capability to do amazing things if we work together.
>> - N?s seres humanos temos a capacidade de fazer coisas incr?veis se
>> trabalharmos juntos.
>>
>> On Sat, Jul 11, 2015 at 1:04 PM, Adrian Engele via AMSAT-BB <
>> amsat-bb@xxxxx.xxx> wrote:
>>
>> Try,
>>>
>>> http://uz7.ho.ua/packetradio.htm
>>>
>>>
>>> 73, Adrian AA5UK
>>>
>>>
>>> Sent from Yahoo Mail on Android
>>>
>>> From:"Ken Swaggart" <k.swaggart@xxxxxxx.xxx>
>>> Date:Sat, Jul 11, 2015 at 10:42 AM
>>> Subject:[amsat-bb] BPSK demodulators?
>>>
>>> Are there any other 1200 baud BPSK demodulators available other than
>>> Warbler.jar?
>>>
>>> Ken, W7KKE
>>> _______________________________________________
>>> 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
>>
>
> --
> With regards PE0SAT
> Internet web-page http://www.pe0sat.vgnet.nl/
> DK3WN SatBlog http://www.dk3wn.info/p/
>
------------------------------
Message: 11
Date: Sun, 12 Jul 2015 11:06:23 -0400
From: "Steve Kristoff" <skristof@xxxxxxx.xxx>
To: "amsat-bb bb" <amsat-bb@xxxxx.xxx>
Subject: [amsat-bb] NO84 telemetry
Message-ID: <D532722184F0442B938A1289E6F8397C@xxxxxxx>
Content-Type: text/plain; charset="iso-8859-1"
Has anyone else been decoding telemetry from NO84? I keep getting values
around 200 degrees for Battery Temperature. I'm no aerospace engineer, but
that seems a little warm for a battery floating around in space.
Your thoughts are appreciated.
Steve Kristoff AI9IN
EM79ji
skristof@xxxxxxx.xxx
------------------------------
Message: 12
Date: Sun, 12 Jul 2015 18:13:01 +0200
From: "Mike Rupprecht" <mail@xxxxxxxxxxxxxx.xx>
To: "'Steve Kristoff'" <skristof@xxxxxxx.xxx>, <amsat-bb@xxxxx.xxx>
Subject: Re: [amsat-bb] NO84 telemetry
Message-ID: <002401d0bcbd$a103b540$e30b1fc0$@xx>
Content-Type: text/plain; charset="iso-8859-1"
Hi Steve,
this temperature value is invalid when the digipeater is ON.
73 Mike
DK3WN
-----Urspr?ngliche Nachricht-----
Von: AMSAT-BB [mailto:amsat-bb-bounces@xxxxx.xxxx Im Auftrag von Steve
Kristoff
Gesendet: 12 July 2015 17:06
An: amsat-bb bb
Betreff: [amsat-bb] NO84 telemetry
Has anyone else been decoding telemetry from NO84? I keep getting values
around 200 degrees for Battery Temperature. I'm no aerospace engineer, but
that seems a little warm for a battery floating around in space.
Your thoughts are appreciated.
Steve Kristoff AI9IN
EM79ji
skristof@xxxxxxx.xxx
_______________________________________________
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
------------------------------
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 10, Issue 200
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