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CX2SA > SATDIG 16.09.14 14:05l 455 Lines 14872 Bytes #999 (0) @ WW
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To : SATDIG@WW
Today's Topics:
1. Re: Telemetry Stations - Information Requested (Jerry Buxton)
2. Re: sat pc32 help (Thomas Doyle)
3. Down to the Wire (Martha)
4. Re: Down to the Wire (Arthur Feller)
5. ESTCube-1 experiment: first steps (T?nis Eenm?e)
6. Re: Down to the Wire (Andrew Glasbrenner)
7. Re: ESTCube-1 experiment: first steps (Bent, OZ6BL)
8. IARU Region 1 conference + OSCAR News published (M5AKA)
9. G0SFJ Telemetry equipment and project (andy thomas)
----------------------------------------------------------------------
Message: 1
Date: Mon, 15 Sep 2014 12:02:26 -0500
From: Jerry Buxton <amsat@xxxx.xxx>
To: amsat-bb@xxxxx.xxx
Subject: Re: [amsat-bb] Telemetry Stations - Information Requested
Message-ID: <54171BA2.5080907@xxxx.xxx>
Content-Type: text/plain; charset=ISO-8859-1; format=flowed
Hi Again,
Thank you for the replies you all have sent so far. Very helpful!
I would like to make an update to my request as perhaps it didn't quite
convey what I intended.
I am not just looking for those who do it full time, or much of the
time. I am very interested in anyone who is now or has recently tried
capturing telemetry. If you are capturing but not having great results,
if you gave it a sincere attempt but were disappointed and turned off,
I'd like to know what equipment you are using or used.
I expect that a lot of hams worldwide are trying the telemetry with
modest equipment, omni-directional/indoor/handheld antennas, what have
you. That is where I want to focus, with the STEM experiment/research
data we are carrying in LEO telemetry we would like to make it as easy
as we can for as many as possible to capture and enjoy.
So please share with me even if you have tried but given up out of
disappointment. Help us overcome that disappointment, and make it fun
and exciting!
73
Jerry Buxton, N?JY
On 9/14/2014 6:51 PM, Jerry Buxton wrote:
> Hi All,
>
> I am interested in hearing about the types of equipment in the various
> stations of those of you who capture telemetry from the amateur radio
> satellites.
> My general purpose is to have an understanding of the "typical
> station". The information will be useful in our design of ground
> telemetry formats for AMSAT satellites.
>
> If you are an active telemetry gatherer could please respond with a
> short description of the equipment you use to receive the various
> satellite telemetry to include
> Antenna - type, polarization, if yagi number of elements
> Preamp - yes or no
> Rig - Make, model
> Output from rig i.e. packet port, auxiliary audio, discriminator tap,
> etc.
> PC Capture device - build in sound card, if add in or external sound
> card then make and model
>
> Thank you for your help!
>
------------------------------
Message: 2
Date: Mon, 15 Sep 2014 14:21:09 -0500
From: Thomas Doyle <tomdoyle1948@xxxxx.xxx>
To: Nick Pugh <quadpugh@xxxxxxxxx.xxx>, AMSAT <amsat-bb@xxxxx.xxx>
Subject: Re: [amsat-bb] sat pc32 help
Message-ID:
<CAHnRQR+nThbUeheV3sxFzvSXSzjkZoDcSKucx+_LzCYnzgSo8A@xxxx.xxxxx.xxx>
Content-Type: text/plain; charset=UTF-8
Nick,
If you look at the 4th group of numbers in the first line (starts with
.1023) and compare it to the same group of numbers in a list of tle data
for several sats you will notice that even though .1023... is a small
number it is much larger than for the other sats. This value gets large as
the sat decays and the drag increases. Be very wary of tle data with a
large number in that position. Not a rigerous mathematical answer but handy
to know.
73 W9KE Tom Doyle
On Sep 15, 2014 6:25 AM, "Nick Pugh K5QXJ" <quadpugh@xxxxxxxxx.xxx> wrote:
> The below listed TLE for kicksat causes an error invalid floating point
> opera any suggestions as what the problem is
>
>
>
> KICKSAT
>
> 1 39685U 14022F 14133.79926973 .10230793 12532-4 76634-3 0 839
>
> 2 39685 051.6478 260.9431 0011364 321.6786 038.9487 16.39478651 3997
>
>
>
>
>
> Thanks
>
>
>
> nick
>
> Office 337 593 8700
>
> Cell 337 258 2527
>
>
>
> Helping UL become a world Class Engineering and Educational School
>
>
>
> _______________________________________________
> 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://amsat.org/mailman/listinfo/amsat-bb
>
------------------------------
Message: 3
Date: Mon, 15 Sep 2014 17:53:01 -0400
From: Martha <martha@xxxxx.xxx>
To: AMSAT BB <amsat-bb@xxxxx.xxx>, Board of Directors <bod@xxxxx.xxx>
Subject: [amsat-bb] Down to the Wire
Message-ID:
<CAPk0USwr+PfPK9Z1QDOyFr9ePYZcLT-x3dQNnw0bd=Jw4bQCMg@xxxx.xxxxx.xxx>
Content-Type: text/plain; charset=UTF-8
If you have not reserved your room at the Doubletree BWI, you need to do so
by *SEPTEMBER 17th! *
The phone number is 410-859-8400.
There is new information about the Space Symposium on the website (amsat.org
)
--
73- Martha
------------------------------
Message: 4
Date: Mon, 15 Sep 2014 19:20:04 -0400
From: Arthur Feller <afeller@xxxx.xxx>
To: Martha Saragovitz <martha@xxxxx.xxx>
Cc: Board of Directors <bod@xxxxx.xxx>, AMSAT BB <amsat-bb@xxxxx.xxx>
Subject: Re: [amsat-bb] Down to the Wire
Message-ID: <1FB79FC9-321B-4558-B1DA-A7CDFE3A8AA0@xxxx.xxx>
Content-Type: text/plain; charset=windows-1252
Rooms at the Doubletree are sold out. Hampton Inn, next door, has some
rooms available. Same owner, so the phone number is the same.
73, art?..
W4ART Arlington VA
On 15-Sep-2014, at 05:53 PM, Martha <martha@xxxxx.xxx> wrote:
> If you have not reserved your room at the Doubletree BWI, you need to do so
> by *SEPTEMBER 17th! *
> The phone number is 410-859-8400.
>
> There is new information about the Space Symposium on the website (amsat.org
> )
>
> --
> 73- Martha
http://afeller.us
------------------------------
Message: 5
Date: Tue, 16 Sep 2014 01:20:40 +0300
From: T?nis Eenm?e <tonis@xxxxxxx.xx>
To: amsat-bb@xxxxx.xxx
Subject: [amsat-bb] ESTCube-1 experiment: first steps
Message-ID:
<CACLXbj=QcEVLEpYWAYWwmDHZ6jZQwqnPp_dGg=wkHhZiKYY1iA@xxxx.xxxxx.xxx>
Content-Type: text/plain; charset=UTF-8
Hello all,
I'm glad to announce that after more than a year of preparations,
tomorrow, 16.09.2014, we are starting to deploy the electric solar
sail tether on-board ESTCube-1.
The process of burning the tether end-mass and spool locks and reeling
out the first few centimeters of tether will start during the 09.06 -
09.19Z pass over Estonia. This is a high pass and should be visible
over most of the Europe.
The next good passes listed below (all in UTC) will be used to
download images the telemetry logs and the images:
10.43 - 10.56
18.39 - 18.51
20.15 - 20.28
During the locks release process and after reeling the tether out some
centimeters, images will be taken.
The other shorter passes during the day will be used to download the
experiment data as quickly as possible (in Estonia, all daily passes
are visible, but lowest ones are just couple of degrees above the
northern horizon).
If everything is OK with the tether, additional unreeling will take
place in coming days.
If you are interested in receiving ESTCube-1 during those exciting
passes, the UZ7HO 9600 bps packet softmodem and an Online Telemetry
Decoder by Mike Rupprecht
(http://www.dk3wn.info/files/estcube_online.zip) can be used. But
basically any 9600 bps G3RUH TNC or decoder can be used to receive
ESTCube-1.
We are looking forward to receiving your reports on the address es5e
AT estcube DOT eu, and we would really appreciate if you would also
send received data in live, using Mike's decoder.
With best wishes,
T?nis Eenm?e
de ES5TF
------------------------------
Message: 6
Date: Mon, 15 Sep 2014 19:56:14 -0400
From: "Andrew Glasbrenner" <glasbrenner@xxxxxxxxxx.xxx>
To: "'Arthur Feller'" <afeller@xxxx.xxx>, "'Martha Saragovitz'"
<martha@xxxxx.xxx>
Cc: 'Board of Directors' <bod@xxxxx.xxx>, 'AMSAT BB'
<amsat-bb@xxxxx.xxx>
Subject: Re: [amsat-bb] Down to the Wire
Message-ID: <031d01cfd140$a2b0c680$e8125380$@xxx>
Content-Type: text/plain; charset="us-ascii"
I missed the boat. The Candlewood across the parking lot to the north has
rooms starting at 77 prepaid, or 85 refundable.
73, Drew KO4MA
-----Original Message-----
From: amsat-bb-bounces@xxxxx.xxx [mailto:amsat-bb-bounces@xxxxx.xxxx On
Behalf Of Arthur Feller
Sent: Monday, September 15, 2014 7:20 PM
To: Martha Saragovitz
Cc: Board of Directors; AMSAT BB
Subject: Re: [amsat-bb] Down to the Wire
Rooms at the Doubletree are sold out. Hampton Inn, next door, has some
rooms available. Same owner, so the phone number is the same.
73, art...
W4ART Arlington VA
On 15-Sep-2014, at 05:53 PM, Martha <martha@xxxxx.xxx> wrote:
> If you have not reserved your room at the Doubletree BWI, you need to
> do so by *SEPTEMBER 17th! * The phone number is 410-859-8400.
>
> There is new information about the Space Symposium on the website
> (amsat.org
> )
>
> --
> 73- Martha
http://afeller.us
_______________________________________________
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://amsat.org/mailman/listinfo/amsat-bb
------------------------------
Message: 7
Date: Tue, 16 Sep 2014 09:17:25 +0200
From: "Bent, OZ6BL" <oz6bl@xxxxx.xxx>
To: amsat-bb@xxxxx.xxxx tonis@xxxxxxx.xx
Subject: Re: [amsat-bb] ESTCube-1 experiment: first steps
Message-ID: <5417E405.9060805@xxxxx.xxx>
Content-Type: text/plain; charset=utf-8; format=flowed
Hi T?nis
Here at AMSAT-OZ we have been downloading telemetry from ESTCube for
quite a while using a DSP-12 and our KissLogger program. You can find
all the data at http://www.amsat.dk/oz7sat/sched.php?sat=ESTCUBE&gs=oz7sat
Unfortunately we cannot use Mike Rupprecht's program for online decoding
as it is written for a Windows system and we are using Linux. I hope you
have the means to decode our raw telemetry data. If not please give us a
hints as to how to do it.
Best 73 de Bent/OZ6BL
hostmaster at www.amsat.dk
------------------------------
Message: 8
Date: Tue, 16 Sep 2014 10:54:59 +0100
From: M5AKA <m5aka@xxxxx.xx.xx>
To: AMSAT BB <amsat-bb@xxxxx.xxx>
Subject: [amsat-bb] IARU Region 1 conference + OSCAR News published
Message-ID:
<1410861299.94276.YahooMailNeo@xxxxxxxxx.xxxx.xxx.xxxxx.xxx>
Content-Type: text/plain; charset=utf-8
The key IARU Region 1 conference takes place in Albena, Bulgaria September
21-27. Important issues being discussed will include an amateur satellite
allocation at 144.0-144.025 MHz as well as the 23 cm band and WRC-2018
http://amsat-uk.org/2014/08/13/23-cm-band-and-wrc-2018/
The AMSAT-UK publication OSCAR News issue 207 was released last week
http://amsat-uk.org/2014/09/16/oscar-news-issue-207/
----
Trevor M5AKA
AMSAT-UK
Website http://amsat-uk.org/
Facebook https://www.facebook.com/amsatuk
Twitter https://twitter.com/AMSAT_UK
----
------------------------------
Message: 9
Date: Tue, 16 Sep 2014 11:01:03 +0100
From: andy thomas <andythomasmail@xxxxx.xx.xx>
To: "amsat@xxxx.xxxx <amsat@xxxx.xxx>
Cc: amsat <amsat-bb@xxxxx.xxx>
Subject: [amsat-bb] G0SFJ Telemetry equipment and project
Message-ID:
<1410861663.46750.YahooMailNeo@xxxxxxxxx.xxxx.xxx.xxxxx.xxx>
Content-Type: text/plain; charset=utf-8
Hi Jerry -You asked about stations receiving telemetry so I thought I'd
respond. Maybe the wider community will be interested so I have decided to
copy this to the -bb - hope you don't mind.
Current Motivation
Currently in my retirement I'm a PhD student interested in the popular
cultural discourse or practice of space exploration, and see qsl cards as
records of this cultural discourse from an identified cohort who have access
to space exploration. (You might like to see my recent abstract at
www.cosmographies.co.uk) . The approach is based on Foucault/Derrida etc but
I won't go on about that here.
As well as this PhD work, I keep an archive or collection of cards and
certificates about amateur satellites (broad definition) and obviously these
cards are my own interactions. Mostly at the moment they are from the owners
of telemetry-emitting cubesats, although my own mini-dx expeditions on the
Fm birds are also recorded. Therefore, what motivates me is to record the
interaction - therefore I am biassed at the moment towards receiving and
donating telemetry data that will result in some sort of record. My archive
goes back to the 1990s. In the future I have at the back of my mind an idea
to reflect on this archive, but haven't decided how yet.
Current equipment
My equipment is simple in that I do not have an az-el rotator. I think that
is an expensive hiding to nothing as I've seen many reports about failure of
this piece of kit. For my work it's not necessary. I receive data according
to the method I have outlined within the BIS "Kicksat" project - see:
http://kicksat.wordpress.com/support/kicksat-ground-station/ if it's still
there.
I do have an ICOM IC-910 and I have recorded most of my transactions with it
at my personal website http://www.andythomas.eu . This website
(andythomasorg) as hosted by google is indexed in the Britsh Library
catalogue under "popular science".
New direction
I have moved into using a Fun Cube Dongle Pro+ and sdr# to give a visual
account of the telemetry - see for example my Polyitan-1 page on my website.
I now calibrate the FCD Pro+ using an 80MHz TTL Oscillator on the desk, so
the images will be precise as to time and rf frequency. I suppose that in
this regard I am conscious of initiatives such as ARTSAT.
Sign-off
I hope that's given you some insight into the tremendous cultural potential
of amateur satellites, and will encourage designers on the -bb to contnue to
offer some acknowldgement certificate or card or something interactive, so
that the significance of our efforts can be widely understood and appreciated.
73 de andy G0SFJ
------------------------------
_______________________________________________
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://amsat.org/mailman/listinfo/amsat-bb
End of AMSAT-BB Digest, Vol 9, Issue 325
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