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CX2SA > SATDIG 09.08.11 02:03l 1156 Lines 36330 Bytes #999 (0) @ WW
BID : AMSATBB6448
Read: GUEST
Subj: AMSAT-BB-digest V6 448
Path: IZ3LSV<IK2XDE<PY1AYH<PY1AYH<CX2SA
Sent: 110808/2356Z @:CX2SA.LAV.URY.SA #:20914 [Minas] FBB7.00e $:AMSATBB6448
From: CX2SA@CX2SA.LAV.URY.SA
To : SATDIG@WW
Today's Topics:
1. nasa.all file (Bato, Andras)
2. Re: AMSAT-BB Digest, Vol 6, Issue 447 (Giacobbe Lauser)
3. Re: AMSAT-BB Digest, Vol 6, Issue 447 (Dave Webb KB1PVH)
4. ARISSat-1 OSCAR Number? (Trevor .)
5. Re: ARISSat-1 OSCAR Number? (Nigel A. Gunn, W8IFF/G8IFF)
6. Re: AMSAT-BB Digest, Vol 6, Issue 446 (Burns Fisher)
7. Re: FUNcube Dongle firmware update (Ng, Peter)
8. Re: A rose is a rose... is a rose (Dee)
9. ARISSatTLM (N0JY)
10. Re: FUNcube Dongle firmware update (Howard Long)
11. Re: ARISSat TLM test WAV file pointer (Scott)
12. Re: ARISSatTLM (Mark L. Hammond)
13. Re: FUNcube Dongle firmware update (Mark L. Hammond)
----------------------------------------------------------------------
Message: 1
Date: Mon, 08 Aug 2011 19:36:35 +0000
From: "Bato, Andras" <bato@xxxxxxx.xx>
Subject: [amsat-bb] nasa.all file
To: amsat-bb@xxxxx.xxx
Message-ID: <4E403AC3.4070204@xxxxxxx.xx>
Content-Type: text/plain; charset=ISO-8859-2; format=flowed
At http://www.amsat.org/amsat/ftp/keps/current/nasa.all the file does
not contain orbital data of ARISSat-1 at any name.
On
http://www.amsat.org/amsat-new/satellites/satInfo.php?satID=136&retURL=/satell
ites/status.php
<http://www.amsat.org/amsat-new/satellites/satInfo.php?satID=136&retURL=/satel
lites/status.php>
there can be found three different names:RadioSkaf-V, KEDR and ARISSat-1.
Beside these on http://www.celestrak.com/NORAD/elements/amateur.txt you
can find
RADIOSCAF-B at the very end. (Wrtten with capital C, not small k or
capital K...)
Can anyone or any organization agree in a common name, please?
As for me I would prefer AO n+1 or anything you like but for God's sake
give it a common name asap!
Time passes and ARISSat-1 slowly approaches the Karman border and it
will dissolve finally!
gl de ha6nn
Andras
------------------------------
Message: 2
Date: Mon, 8 Aug 2011 12:42:56 -0700
From: Giacobbe Lauser <23tauri@xxxxx.xxx>
Subject: [amsat-bb] Re: AMSAT-BB Digest, Vol 6, Issue 447
To: amsat-bb@xxxxx.xxx
Message-ID:
<CA+LgD69x6ySLrOC8o4GeP4rOQi_OKUq2GiDJ4esfo2CgajabCA@xxxx.xxxxx.xxx>
Content-Type: text/plain; charset=ISO-8859-1
Dave - KB1PVH:
"Sounding good" as in the systems are back up and running or "good" as
in the QRP transponder is still limping along but will die at any
minute? ;)
- Jake, KK6L
On Mon, Aug 8, 2011 at 12:00 PM, <amsat-bb-request@xxxxx.xxx> wrote:
> Send AMSAT-BB mailing list submissions to
> ? ? ? ?amsat-bb@xxxxx.xxx
>
> To subscribe or unsubscribe via the World Wide Web, visit
> ? ? ? ?http://amsat.org/mailman/listinfo/amsat-bb
> or, via email, send a message with subject or body 'help' to
> ? ? ? ?amsat-bb-request@xxxxx.xxx
>
> You can reach the person managing the list at
> ? ? ? ?amsat-bb-owner@xxxxx.xxx
>
> When replying, please edit your Subject line so it is more specific
> than "Re: Contents of AMSAT-BB digest..."
>
>
> Today's Topics:
>
> ? 1. Re: receive beacon in l band and s-band (PA3GUO)
> ? 2. ?keps (Nigel A. Gunn, W8IFF/G8IFF)
> ? 3. Re: Beam Elevation (Dee)
> ? 4. ?AO-51 alive and kicking (Dave Webb KB1PVH)
>
>
> ----------------------------------------------------------------------
>
> Message: 1
> Date: Mon, 8 Aug 2011 19:38:07 +0200
> From: "PA3GUO" <pa3guo@xxxxx.xxx>
> Subject: [amsat-bb] Re: receive beacon in l band and s-band
> To: <amsat-bb@xxxxx.xxx>
> Message-ID: <000001cc55f1$efd75e10$cf861a30$@xxxxx.xxx>
> Content-Type: text/plain; ? ? ? charset="us-ascii"
>
> Dear N.Mahdinejad,
>
> What is your callsign and location/country ?
>
> Henk, PA3GUO
>
>
>>Dear Amsat members.
> .
> I am lloking forward to hearing from you.
> Best Regards.
> N.Mahdinejad.
>
>
>
>
> ------------------------------
>
> Message: 2
> Date: Mon, 08 Aug 2011 17:53:23 +0000
> From: "Nigel A. Gunn, W8IFF/G8IFF" <nigel@xxxxx.xxx>
> Subject: [amsat-bb] ?keps
> To: "<amsat-bb@xxxxx.xxx>" <amsat-bb@xxxxx.xxx>
> Message-ID: <4E402293.6040206@xxxxx.xxx>
> Content-Type: text/plain; charset=ISO-8859-1; format=flowed
>
> RADIOSCAF-B
> 1 37772U 98067CK ?11220.42483692 ?.00030017 ?00000-0 ?35800-3 0 ? 126
> 2 37772 051.6389 257.8070 0013414 059.0345 071.6267 15.60697248 ? 645
>
>
>
> ------------------------------
>
> Message: 3
> Date: Mon, 08 Aug 2011 14:26:25 -0400
> From: Dee <morsesat@xxxxxxxxx.xxx>
> Subject: [amsat-bb] Re: Beam Elevation
> To: "'Bob Bruninga'" <bruninga@xxxx.xxx>, "'Lowell White'"
> ? ? ? ?<whiteld@xxx.xxx>
> Cc: amsat-bb@xxxxx.xxx
> Message-ID: <000f01cc55f8$af46b9c0$0dd42d40$@xxxxxxxxx.xxx>
> Content-Type: text/plain; charset=us-ascii
>
> Don't forget to use a preamp!!!
> Dee, NB2F
>
> -----Original Message-----
> From: amsat-bb-bounces@xxxxx.xxx [mailto:amsat-bb-bounces@xxxxx.xxxx
> On Behalf Of Bob Bruninga
> Sent: Monday, August 08, 2011 1:23 PM
> To: Lowell White
> Cc: amsat-bb@xxxxx.xxx
> Subject: [amsat-bb] Re: Beam Elevation
>
>>> I have a dual band beam in my loft space
>>> on a standard East West rotator .
>>> Can hear and work the Sat's on it but
>>> receive is quite poor... what sort of elevation
>>> should I erect the antenna..
>
> It depends!
>
> If your antenna can see down to the horizon (where you need ?max gain)
> then the answer is 15 deg.
> See Analysis: http://aprs.org/rotator1.html
>
> But if you cannot hear down there anyway, because you are working
> through trees and 10 dB of structural wood, tar and asphault (roof)
> then you should give up on the low elevations and improve your higher
> angle performance.
>
> But just remember that almost 70% of all satellite access times are
> BELOW 20 degrees! ?But if your site cannot see them or work them down
> there, then give up on horizon gain and plan on having a better signal
> but only able to work 1/3rd of the pass well.
>
> Bob, WB4APR
>
>
> _______________________________________________
> Sent via AMSAT-BB@xxxxx.xxx. Opinions expressed are those of the
> author.
> Not an AMSAT-NA member? Join now to support the amateur satellite
> program!
> Subscription settings: http://amsat.org/mailman/listinfo/amsat-bb
>
>
>
> ------------------------------
>
> Message: 4
> Date: Mon, 8 Aug 2011 14:35:51 -0400
> From: Dave Webb KB1PVH <kb1pvh@xxxxx.xxx>
> Subject: [amsat-bb] ?AO-51 alive and kicking
> To: AMSAT -BB <amsat-bb@xxxxx.xxx>
> Message-ID:
> ? ? ? ?<CAEMY9FfyJcPSNuDjttxSX-MX2ge16DdndZdbHYe9ruwyh-bXmA@xxxx.xxxxx.xxx>
> Content-Type: text/plain; charset=ISO-8859-1
>
> Just worked EI3GYB in Ireland on this recent pass. The bird was sounding
> good!
>
> Dave - KB1PVH
>
> Sent from my Verizon Wireless DROID X
>
>
> ------------------------------
>
> _______________________________________________
> Sent via amsat-bb@xxxxx.xxx. Opinions expressed are those of the author.
> 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 6, Issue 447
> ****************************************
>
------------------------------
Message: 3
Date: Mon, 8 Aug 2011 16:04:43 -0400
From: Dave Webb KB1PVH <kb1pvh@xxxxx.xxx>
Subject: [amsat-bb] Re: AMSAT-BB Digest, Vol 6, Issue 447
To: Giacobbe Lauser <23tauri@xxxxx.xxx>
Cc: amsat-bb@xxxxx.xxx
Message-ID:
<CAEMY9FcNpP0bQ3Wj7KLpyk+M+hFNO-r7CLxPr6zZZms-csmNUQ@xxxx.xxxxx.xxx>
Content-Type: text/plain; charset=ISO-8859-1
I guess just the fact that it was still on. It's nice to have it on higher
power for those low passes
Dave - KB1PVH
Sent from my Verizon Wireless DROID X
On Aug 8, 2011 3:55 PM, "Giacobbe Lauser" <23tauri@xxxxx.xxx> wrote:
> Dave - KB1PVH:
>
> "Sounding good" as in the systems are back up and running or "good" as
> in the QRP transponder is still limping along but will die at any
> minute? ;)
>
> - Jake, KK6L
>
> On Mon, Aug 8, 2011 at 12:00 PM, <amsat-bb-request@xxxxx.xxx> wrote:
>> Send AMSAT-BB mailing list submissions to
>> amsat-bb@xxxxx.xxx
>>
>> To subscribe or unsubscribe via the World Wide Web, visit
>> http://amsat.org/mailman/listinfo/amsat-bb
>> or, via email, send a message with subject or body 'help' to
>> amsat-bb-request@xxxxx.xxx
>>
>> You can reach the person managing the list at
>> amsat-bb-owner@xxxxx.xxx
>>
>> When replying, please edit your Subject line so it is more specific
>> than "Re: Contents of AMSAT-BB digest..."
>>
>>
>> Today's Topics:
>>
>> 1. Re: receive beacon in l band and s-band (PA3GUO)
>> 2. keps (Nigel A. Gunn, W8IFF/G8IFF)
>> 3. Re: Beam Elevation (Dee)
>> 4. AO-51 alive and kicking (Dave Webb KB1PVH)
>>
>>
>> ----------------------------------------------------------------------
>>
>> Message: 1
>> Date: Mon, 8 Aug 2011 19:38:07 +0200
>> From: "PA3GUO" <pa3guo@xxxxx.xxx>
>> Subject: [amsat-bb] Re: receive beacon in l band and s-band
>> To: <amsat-bb@xxxxx.xxx>
>> Message-ID: <000001cc55f1$efd75e10$cf861a30$@xxxxx.xxx>
>> Content-Type: text/plain; charset="us-ascii"
>>
>> Dear N.Mahdinejad,
>>
>> What is your callsign and location/country ?
>>
>> Henk, PA3GUO
>>
>>
>>>Dear Amsat members.
>> .
>> I am lloking forward to hearing from you.
>> Best Regards.
>> N.Mahdinejad.
>>
>>
>>
>>
>> ------------------------------
>>
>> Message: 2
>> Date: Mon, 08 Aug 2011 17:53:23 +0000
>> From: "Nigel A. Gunn, W8IFF/G8IFF" <nigel@xxxxx.xxx>
>> Subject: [amsat-bb] keps
>> To: "<amsat-bb@xxxxx.xxx>" <amsat-bb@xxxxx.xxx>
>> Message-ID: <4E402293.6040206@xxxxx.xxx>
>> Content-Type: text/plain; charset=ISO-8859-1; format=flowed
>>
>> RADIOSCAF-B
>> 1 37772U 98067CK 11220.42483692 .00030017 00000-0 35800-3 0 126
>> 2 37772 051.6389 257.8070 0013414 059.0345 071.6267 15.60697248 645
>>
>>
>>
>> ------------------------------
>>
>> Message: 3
>> Date: Mon, 08 Aug 2011 14:26:25 -0400
>> From: Dee <morsesat@xxxxxxxxx.xxx>
>> Subject: [amsat-bb] Re: Beam Elevation
>> To: "'Bob Bruninga'" <bruninga@xxxx.xxx>, "'Lowell White'"
>> <whiteld@xxx.xxx>
>> Cc: amsat-bb@xxxxx.xxx
>> Message-ID: <000f01cc55f8$af46b9c0$0dd42d40$@xxxxxxxxx.xxx>
>> Content-Type: text/plain; charset=us-ascii
>>
>> Don't forget to use a preamp!!!
>> Dee, NB2F
>>
>> -----Original Message-----
>> From: amsat-bb-bounces@xxxxx.xxx [mailto:amsat-bb-bounces@xxxxx.xxxx
>> On Behalf Of Bob Bruninga
>> Sent: Monday, August 08, 2011 1:23 PM
>> To: Lowell White
>> Cc: amsat-bb@xxxxx.xxx
>> Subject: [amsat-bb] Re: Beam Elevation
>>
>>>> I have a dual band beam in my loft space
>>>> on a standard East West rotator .
>>>> Can hear and work the Sat's on it but
>>>> receive is quite poor... what sort of elevation
>>>> should I erect the antenna..
>>
>> It depends!
>>
>> If your antenna can see down to the horizon (where you need max gain)
>> then the answer is 15 deg.
>> See Analysis: http://aprs.org/rotator1.html
>>
>> But if you cannot hear down there anyway, because you are working
>> through trees and 10 dB of structural wood, tar and asphault (roof)
>> then you should give up on the low elevations and improve your higher
>> angle performance.
>>
>> But just remember that almost 70% of all satellite access times are
>> BELOW 20 degrees! But if your site cannot see them or work them down
>> there, then give up on horizon gain and plan on having a better signal
>> but only able to work 1/3rd of the pass well.
>>
>> Bob, WB4APR
>>
>>
>> _______________________________________________
>> Sent via AMSAT-BB@xxxxx.xxx. Opinions expressed are those of the
>> author.
>> Not an AMSAT-NA member? Join now to support the amateur satellite
>> program!
>> Subscription settings: http://amsat.org/mailman/listinfo/amsat-bb
>>
>>
>>
>> ------------------------------
>>
>> Message: 4
>> Date: Mon, 8 Aug 2011 14:35:51 -0400
>> From: Dave Webb KB1PVH <kb1pvh@xxxxx.xxx>
>> Subject: [amsat-bb] AO-51 alive and kicking
>> To: AMSAT -BB <amsat-bb@xxxxx.xxx>
>> Message-ID:
>> <
CAEMY9FfyJcPSNuDjttxSX-MX2ge16DdndZdbHYe9ruwyh-bXmA@xxxx.xxxxx.xxx>
>> Content-Type: text/plain; charset=ISO-8859-1
>>
>> Just worked EI3GYB in Ireland on this recent pass. The bird was sounding
>> good!
>>
>> Dave - KB1PVH
>>
>> Sent from my Verizon Wireless DROID X
>>
>>
>> ------------------------------
>>
>> _______________________________________________
>> Sent via amsat-bb@xxxxx.xxx. Opinions expressed are those of the author.
>> 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 6, Issue 447
>> ****************************************
>>
>
> _______________________________________________
> Sent via AMSAT-BB@xxxxx.xxx. Opinions expressed are those of the author.
> Not an AMSAT-NA member? Join now to support the amateur satellite program!
> Subscription settings: http://amsat.org/mailman/listinfo/amsat-bb
------------------------------
Message: 4
Date: Mon, 8 Aug 2011 21:08:44 +0100 (BST)
From: "Trevor ." <m5aka@xxxxx.xx.xx>
Subject: [amsat-bb] ARISSat-1 OSCAR Number?
To: amsat-bb@xxxxx.xxx
Message-ID:
<1312834124.42083.YahooMailClassic@xxxxxxxx.xxxx.xxx.xxxxx.xxx>
Content-Type: text/plain; charset=utf-8
Is it known if the owners of ARISSat-1 intend to apply for an OSCAR number?
73 Trevor M5AKA
------------------------------
Message: 5
Date: Mon, 08 Aug 2011 20:17:52 +0000
From: "Nigel A. Gunn, W8IFF/G8IFF" <nigel@xxxxx.xxx>
Subject: [amsat-bb] Re: ARISSat-1 OSCAR Number?
To: "Trevor ." <m5aka@xxxxx.xx.xx>
Cc: amsat-bb@xxxxx.xxx
Message-ID: <4E404470.8060102@xxxxx.xxx>
Content-Type: text/plain; charset=ISO-8859-1; format=flowed
Depends whether you can define "the owners".
On 08/08/2011 08:08 PM, Trevor . wrote:
> Is it known if the owners of ARISSat-1 intend to apply for an OSCAR number?
>
> 73 Trevor M5AKA
>
>
> _______________________________________________
> Sent via AMSAT-BB@xxxxx.xxx. Opinions expressed are those of the author.
> Not an AMSAT-NA member? Join now to support the amateur satellite program!
> Subscription settings: http://amsat.org/mailman/listinfo/amsat-bb
>
------------------------------
Message: 6
Date: Mon, 8 Aug 2011 17:37:54 -0400
From: Burns Fisher <burns@xxxxxx.xx>
Subject: [amsat-bb] Re: AMSAT-BB Digest, Vol 6, Issue 446
To: amsat-bb@xxxxx.xxx
Message-ID:
<CABX7KxWnyfsYwJwaER4NLj4To-HO918dhBZ-EPi-xGZN-baq+g@xxxx.xxxxx.xxx>
Content-Type: text/plain; charset=ISO-8859-1
Hi,
Zarya is a small but important part of the international space station. It
is one of the first segments built and launched by the Russians, and
contains the airlock they the Russians often use (and did use last week) for
their spacewalks.
ISS is how we generally refer to the International Space Station as a whole,
while we might say Zarya (or Kvant, or ...) if we are talking about a
specific part of it.
ARISS is "Amateur Radio aboard the ISS".
And (you did not ask but) ARISSat-1 is the amateur radio satellite built by
US amateurs with hardware supplied by a number of US and Russian companies
and universities, launched to the ISS by a Russian vehicle, and recently
released from the ISS (from a location on Zarya) by Russian Cosmonauts.
The ISS has a ham station aboard which is separate from ARISSat-1. The ISS
station has more power and is easily readable by a small handheld 2M radio
with a 'rubber ducky' antenna. However, it usually is sending digital data,
so without the decoding software etc it is not too interesting. ARISSat-1
has a fairly low power transmitter (1/2 watt I believe) which is more
difficult to read. Some have picked it up with pretty small rigs. You
would probably do better with a pre-amp. It has FM voice modulation as well
as CW, SSB data, and an SSB mode u/v transponder.
Look at www.amsat.org to find pointers to more about this stuff,
frequencies, orbit calculators, etc.
Hope this helps,
Burns, W2BFJ
> Date: Mon, 8 Aug 2011 17:01:27 +0430
> From: "N. Mahdinejad" <n.mahdinejad@xxxxx.xxx>
> Subject: [amsat-bb] iss beacon receive and vhf preamp
> To: Amsat-BB <amsat-bb@xxxxx.xxx>
> Message-ID:
> <CAH27MAO80sW1JD09EnRwZfU8=805r+C=WCM_dJ5BA9yzhGSVPQ@xxxx.xxxxx.xxx
> >
> Content-Type: text/plain; charset=windows-1252
>
> Dear amsat members.
>
> I have some question about receiving beacon signal from ISS.
>
> Could you please help me?
>
> 1. What is the difference between ISS, ARISS and ZARYA? Is these
> different satellites or 1 satellite with 3 name?
> 2. Which of them is easier to receive beacon from them?
> 3. Frequency of beacon signal of ISS is in VHF band. Is it available
> without preamp? I use 2 preamp. One for VHF and 1 for UHF band. But the
> preamp in vhf band isn?t on. I mean that icom receiver could not supply
> it.
> I activate preamp in vhf band in set menu of icom radio. The uhf band
> preamp on and I use it. But for vhf when I push the preamp button in
> front
> panel of icom the preamp writing is visible for 2 seconds and then
> turned off and isn?t visible.
>
> Any help would be gratefully appreciated.
>
> Beat Regards.
>
> N.Mahdinejad
>
>
>
------------------------------
Message: 7
Date: Mon, 8 Aug 2011 14:59:18 -0700
From: "Ng, Peter" <Peter.Ng@xxxxx.xx>
Subject: [amsat-bb] Re: FUNcube Dongle firmware update
To: "'Howard Long'" <howard@xxxxxxxxxx.xxx>, "amsat-bb@xxxxx.xxxx
<amsat-bb@xxxxx.xxx>
Message-ID:
<44D6D682B38A5D4FAA2DBDE4AFD3B87D540C2FEA@xxxxxxxx.xxxxxx.xxxxxx.xx>
Content-Type: text/plain; charset="us-ascii"
Hi Howard,
Thanks for all your hard work in keeping us playing with our toy! Does it
still work with ExtIO_FCD_G0MJW.dll in HDSDR?
73's Peter VE7NGP
-----Original Message-----
From: amsat-bb-bounces@xxxxx.xxx [mailto:amsat-bb-bounces@xxxxx.xxxx On
Behalf Of Howard Long
Sent: Sunday, August 07, 2011 9:43 AM
To: amsat-bb@xxxxx.xxx
Subject: [amsat-bb] FUNcube Dongle firmware update
Folks
For those of you who use the FUNcube Dongle to receive ARISSat-1, I have
released a new firmware version to correct a bug in the USB streaming code
which produced clicking every few seconds for some users, and also makes
data decoding less reliable.
The firmware image is here:
http://www.funcubedongle.com/MyImages/export18i.pro.bin
It is currently in test status, so any feedback is welcome.
Many thanks, Howard
_______________________________________________
Sent via AMSAT-BB@xxxxx.xxx. Opinions expressed are those of the author.
Not an AMSAT-NA member? Join now to support the amateur satellite program!
Subscription settings: http://amsat.org/mailman/listinfo/amsat-bb
------------------------------
Message: 8
Date: Mon, 08 Aug 2011 18:41:39 -0400
From: Dee <morsesat@xxxxxxxxx.xxx>
Subject: [amsat-bb] Re: A rose is a rose... is a rose
To: "'Daniel Schultz'" <n8fgv@xxx.xxx>, amsat-bb@xxxxx.xxx
Message-ID: <001801cc561c$56cfbe30$046f3a90$@xxxxxxxxx.xxx>
Content-Type: text/plain; charset=us-ascii
Dan,
Yes, we shall continue to explore and give ourselves (AMSAT) every
opportunity to do these things. Garage and home built with love from
our community.
Thanks for your thoughts.
A bystander, Dee, NB2F
Let's consider what we got from the Russians: they gave us a FREE 26
kilogram
launch to low Earth orbit, with 20 times the mass and 75 times the
volume of a
1U Cubesat, which is currently the only type of satellite that Amsat
can hope
to pay full market price for launching. NASA donated the six solar
arrays and
gave us a ton of help with export paperwork which would have been a
bear if we
had to export the satellite to Russia by ourselves. For this fact
alone, we
should be grateful to both agencies, because nobody else has offered
us a 26
kilogram launch in the past decade.
In spite of this, we still need to conduct an Anomaly Review Board to
examine
the reasons why the satellite was launched in a state of less than 100
percent
readiness. This is not to assign blame but to see how we and our
launch
partners can improve the procedure for the next launch.
The fundamental difference between educational satellites and amateur
satellites is that educational satellites can be considered successful
if they
deliver a working satellite to the launch pad, it does not need to
work on
orbit and the students who built it have probably graduated by the
time it
gets launched. Amateur satellites are supposed to perform a useful
communications function for some amount of years in a hostile
environment. The
best thing that Amsat can contribute to the student built satellites
is to
teach them to think about designing for reliability and long life, not
to
consider the mission successful if they collect a few weeks of
telemetry from
their beep-sat once it is in orbit.
I agree with Phil Karn on most of his points, but the hams who are out
there
collecting countries and grid squares are also testing our
communications
infrastructure under real life conditions, without them we would only
be doing
a laboratory experiment. Hopefully some hams are bringing the kids
along on
their grid square expeditions to show them how we communicate under
adverse
conditions. I have often compared Amateur Radio to fishing: if you
just want
to eat fish it is certainly more cost effective to buy your fish at
the market
instead of wasting all that time trying to catch your own fish. Yet
many
people still enjoy fishing just for the challenge of testing their
abilities
under sometimes adverse conditions. In my case I still plant little
tomato
seedlings in the ground in spring time, waste lots of time watering
and
weeding them, waste lots of money on fertilizer and bug spray, and
hope I can
get a few tomatoes before the deer and rabbits get them, it certainly
would be
cheaper and easier to buy tomatoes at the supermarket. That is why we
do
Amateur Radio, we want to communicate in the least cost-effective way
possible
because we seek the challenge of doing it ourselves instead of using
equipment
that any dummy with a credit card can buy at the mall.
As for why Amsat did not receive credit for building the satellite by
either
NASA or the Russians, journalists are a lazy bunch who like to copy
from press
releases and from each other. Universities and Government agencies
have full
time public affairs offices with people who know how to get their
stories into
print and on the air in a way that best serves the interests of their
organizations. We at Amsat don't know how to play this game and don't
have the
connections to do so. Students building little satellites in school is
a cute
story that practically writes itself, but journalists don't know how
to
explain amateurs building satellites in their garages and using them
to
collect QSL cards and grid squares.
In the aerospace industry, "Educational Satellites" are good, they are
training students who the industry can hire cheap (while getting rid
of the
older engineers who earn too much money), but "Amateur Satellites" are
bad,
because if a bunch of amateurs can build long lived, useful satellites
in a
garage, then why is industry charging 100's of millions of bucks for a
satellite? Jan King gave a talk at a professional meeting years ago
and
reported that certain business officials and military officers walked
out of
the room because they did not want to hear any more of his talk about
our
"garage satellites". It is too much of a threat to their established
way of
doing business.
Anyone who has tried to find an engineering job recently knows that
there is
no shortage of engineers, but lazy journalists keep reporting about a
crisis
in STEM education and how we need to inspire the next generation to
study
science and engineering. The universities who need a steady stream of
incoming
freshmen, the industry which needs a steady stream of fresh
inexpensive young
blood, and government agencies who need to justify their existence
love to
play the STEM education card, even though most of it is not true. It
seems
that every university in the world is building satellites but I doubt
that
even five percent of those students will find jobs in that field, and
those
that do will find that they have much less design authority and
freedom when
they are working for the big boys.
However I am willing to let Amsat play along with that game, if we can
get our
satellites launched along the way. I will leave it for others to
debate the
ethics of that action. We live in a hostile world where most
organizations do
not have our interests at heart. As in any business deal, we need to
use them
to get what we want in exchange for giving them some of what they
want. Use
the educational aspects to get our payloads into space, but recognize
that our
goals are sometimes different from theirs.
So let's celebrate what has been accomplished, learn the lessons from
the
mistakes that were made in final assembly, preflight inspection and
deployment, and start planning ARISSat-2. If the Russians want to
claim credit
for building it all by themselves, so long as they put it into orbit
first,
I'm OK with that.
Dan Schultz N8FGV
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------------------------------
Message: 9
Date: Mon, 08 Aug 2011 18:08:53 -0500
From: N0JY <n0jy@xxxxxxx.xxx>
Subject: [amsat-bb] ARISSatTLM
To: AMSAT-BB@xxxxx.xxx
Message-ID: <4E406C85.9080109@xxxxxxx.xxx>
Content-Type: text/plain; charset=ISO-8859-1; format=flowed
How about a checkbox setting in the application, or a command
argument/switch, to have ARISSatTLM automatically START the sound card
when the application is started?
I run it all the time but if the system shuts down and restarts for a
Microsoft Update or whatever, I can only restart ARISSatTLM
automatically (startup folder) and have to (later) tell it to start the
sound card.
An "automatic" setting would let it run all the time without missing
anything if the system restarts when I'm not around.
Or perhaps one exists, I just don't know it?
Thanks and 73,
Jerry
N0JY
__________ Information from ESET NOD32 Antivirus, version of virus signature
database 6361 (20110808) __________
The message was checked by ESET NOD32 Antivirus.
http://www.eset.com
------------------------------
Message: 10
Date: Tue, 9 Aug 2011 00:17:06 +0100
From: "Howard Long" <howard@xxxxxxxxxx.xxx>
Subject: [amsat-bb] Re: FUNcube Dongle firmware update
To: "'Ng, Peter'" <Peter.Ng@xxxxx.xx>, <amsat-bb@xxxxx.xxx>
Message-ID: <00d701cc5621$4a513fd0$def3bf70$@xxx>
Content-Type: text/plain; charset="us-ascii"
Peter
The intention is for the update to be transparent. I hope it is!
73, Howard G6LVB
-----Original Message-----
From: Ng, Peter [mailto:Peter.Ng@xxxxx.xxx
Sent: 08 August 2011 22:59
To: 'Howard Long'; amsat-bb@xxxxx.xxx
Subject: RE: [amsat-bb] FUNcube Dongle firmware update
Hi Howard,
Thanks for all your hard work in keeping us playing with our toy! Does it
still work with ExtIO_FCD_G0MJW.dll in HDSDR?
73's Peter VE7NGP
-----Original Message-----
From: amsat-bb-bounces@xxxxx.xxx [mailto:amsat-bb-bounces@xxxxx.xxxx On
Behalf Of Howard Long
Sent: Sunday, August 07, 2011 9:43 AM
To: amsat-bb@xxxxx.xxx
Subject: [amsat-bb] FUNcube Dongle firmware update
Folks
For those of you who use the FUNcube Dongle to receive ARISSat-1, I have
released a new firmware version to correct a bug in the USB streaming code
which produced clicking every few seconds for some users, and also makes
data decoding less reliable.
The firmware image is here:
http://www.funcubedongle.com/MyImages/export18i.pro.bin
It is currently in test status, so any feedback is welcome.
Many thanks, Howard
_______________________________________________
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------------------------------
Message: 11
Date: Tue, 9 Aug 2011 01:27:04 +0200
From: "Scott" <oz2aba@xxxxx.xxx>
Subject: [amsat-bb] Re: ARISSat TLM test WAV file pointer
To: "'PA3GUO'" <pa3guo@xxxxx.xxx>, <g0mrf@xxx.xxx>
Cc: amsat-bb@xxxxx.xxx
Message-ID: <646F7441BAC344C781487AAA442B6023@xxxxx.xx>
Content-Type: text/plain; charset="iso-8859-1"
Hi Henk and David,
If you want to try out some larger WAV recordings of the BPSK-1000 beacon
you can get some from the oz7sat system.
Start at
http://www.amsat.dk/oz7sat/sched.php?gs=oz1kte&sat=ARISSAT-1&status=All then
select a particular pass and download the recording. The files are about 65
MB each. Our system starts recording about 90 seconds before AOS and
continues to a bit after LOS as calculated for our station in Copenhagen.
These files are received using a USRP fitted with a WBX module. A piece of
GNU radio code splits the 256 KHz wide stream from the USRP into separate
streams for the BPSK beacon, the linear transponder area and the FM channel.
The GNU radio code also performs doppler adjustment of the whole signal.
The BPSK stream is saved to disk and in parallel fed through Phil Karn's
demod program to extract the telemetry frames.
The telemetry viewer is currently only capable of showing the first few
fields of the packets.
The telemetry decoder seems to be a bit sensitive to sudden jumps in
frequency. We have tried manual tracking with 100 Hz steps but that did not
work very well. Using 50 Hz steps was much better. Our system is now
adjusting the doppler offset once a second which gives a good result.
Regards
Scott, OZ2ABA
-----Original Message-----
From: amsat-bb-bounces@xxxxx.xxx [mailto:amsat-bb-bounces@xxxxx.xxxx On
Behalf Of PA3GUO
Sent: 8. august 2011 19:06
To: g0mrf@xxx.xxxx amsat-bb@xxxxx.xxx
Subject: [amsat-bb] ARISSat TLM test WAV file pointer
David
https://svn.sarpeidon.net/viewvc/suitsat2/ground_station_software/ARISSatTLM
/install-staging/Sample_ARISSat_Recording1.WAV?revision=3003
this is a test WAV file, and my install of ARISSatTLM is able to decode
this.
9.6MB, 1:45 minutes.
would be useful to place this on www.arissattlm.org
Henk, PA3GUO
Hi Henk.
I've had some issues with decoding BPSK too.? Worked fine on the first day,
then unable to decode anything.
Eventually I reloaded the software and played a wav file through the system.
Finally it began decoding again. I don't really know what the problem was.
It still will not send tlm via the internet and I can't get sound
out...Hence the wav files.
Problem is the wav file I have is large so I cant send it to you to try.
Perhaps some one has 30 seconds worth that does decode, then we can use that
as a standard to check our systems.
I've been tracking doppler by hand. Seems to work OK but it's very important
to keep the CW in the 'blue' window.
I would think jumps would not be good. Perhaps frequent doppler updates.? -
So very small jumps.
I also heard HB9 last night on the transponder, but in low power mode (45
sec)that is difficult. - I'll wait for some daylight passes.
Good luck
David G0MRF
-----Original Message-----
From: PA3GUO <pa3guo@xxxxx.xxx>
To: amsat-bb <amsat-bb@xxxxx.xxx>
Sent: Mon, 8 Aug 2011 10:41
Subject: [amsat-bb] ARISSat TLM decoding using FCD Just sharing the results
of my recordings of last night:
(using the FCD + HDSDR)
- FM voice works fine
- Xponder works fine (HB9AOB was very clear)
- CW decoding works fine (the Tuning indicator locks on the CW
bump)
- BPSK decoding did not work (I hear & see the signal, but no
decode)
Is the BPSK decoding very sensitive to doppler / freq hops ?
Henk, PA3GUO
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------------------------------
Message: 12
Date: Mon, 08 Aug 2011 19:43:59 -0400
From: "Mark L. Hammond" <marklhammond@xxxxx.xxx>
Subject: [amsat-bb] Re: ARISSatTLM
To: N0JY <n0jy@xxxxxxx.xxx>, AMSAT-BB@xxxxx.xxx
Message-ID: <HzkF1h00756cfur05zkFa0@xxxxx.xxx>
Content-Type: text/plain; charset="us-ascii"
Hi Jerry,
If you edit your short cut to include the command line option -autostart
it will start and capture every time you start the program :)
Douglas added that at my suggestion a while back---don't think it's
documented (but it might be...?)
Here is what my shortcut uses (Win7, 64bit)
"C:\Program Files (x86)\ARISSatTLM\arissattlm.exe" -autostart
73!
Mark N8MH
At 06:08 PM 8/8/2011 -0500, N0JY wrote:
>How about a checkbox setting in the application, or a command
>argument/switch, to have ARISSatTLM automatically START the sound card
>when the application is started?
>I run it all the time but if the system shuts down and restarts for a
>Microsoft Update or whatever, I can only restart ARISSatTLM
>automatically (startup folder) and have to (later) tell it to start the
>sound card.
>An "automatic" setting would let it run all the time without missing
>anything if the system restarts when I'm not around.
>Or perhaps one exists, I just don't know it?
>
>Thanks and 73,
>Jerry
>N0JY
>
>
>__________ Information from ESET NOD32 Antivirus, version of virus
signature database 6361 (20110808) __________
>
>The message was checked by ESET NOD32 Antivirus.
>
>http://www.eset.com
>
>
>
>_______________________________________________
>Sent via AMSAT-BB@xxxxx.xxx. Opinions expressed are those of the author.
>Not an AMSAT-NA member? Join now to support the amateur satellite program!
>Subscription settings: http://amsat.org/mailman/listinfo/amsat-bb
------------------------------
Message: 13
Date: Mon, 08 Aug 2011 19:53:41 -0400
From: "Mark L. Hammond" <marklhammond@xxxxx.xxx>
Subject: [amsat-bb] Re: FUNcube Dongle firmware update
To: "Howard Long" <howard@xxxxxxxxxx.xxx>, "'Ng, Peter'"
<Peter.Ng@xxxxx.xx>, <amsat-bb@xxxxx.xxx>
Message-ID: <Hztx1h00256cfur05ztxNA@xxxxx.xxx>
Content-Type: text/plain; charset="us-ascii"
Hi Peter,
It works the same :)
73,
Mark N8MH
At 12:17 AM 8/9/2011 +0100, Howard Long wrote:
>Peter
>
>The intention is for the update to be transparent. I hope it is!
>
>73, Howard G6LVB
>
>-----Original Message-----
>From: Ng, Peter [mailto:Peter.Ng@xxxxx.xxx
>Sent: 08 August 2011 22:59
>To: 'Howard Long'; amsat-bb@xxxxx.xxx
>Subject: RE: [amsat-bb] FUNcube Dongle firmware update
>
>Hi Howard,
>Thanks for all your hard work in keeping us playing with our toy! Does it
>still work with ExtIO_FCD_G0MJW.dll in HDSDR?
>
>73's Peter VE7NGP
>
>-----Original Message-----
>From: amsat-bb-bounces@xxxxx.xxx [mailto:amsat-bb-bounces@xxxxx.xxxx On
>Behalf Of Howard Long
>Sent: Sunday, August 07, 2011 9:43 AM
>To: amsat-bb@xxxxx.xxx
>Subject: [amsat-bb] FUNcube Dongle firmware update
>
>Folks
>
>For those of you who use the FUNcube Dongle to receive ARISSat-1, I have
>released a new firmware version to correct a bug in the USB streaming code
>which produced clicking every few seconds for some users, and also makes
>data decoding less reliable.
>
>The firmware image is here:
>http://www.funcubedongle.com/MyImages/export18i.pro.bin
>
>It is currently in test status, so any feedback is welcome.
>
>Many thanks, Howard
>
>_______________________________________________
>Sent via AMSAT-BB@xxxxx.xxx. Opinions expressed are those of the author.
>Not an AMSAT-NA member? Join now to support the amateur satellite program!
>Subscription settings: http://amsat.org/mailman/listinfo/amsat-bb
>
>_______________________________________________
>Sent via AMSAT-BB@xxxxx.xxx. Opinions expressed are those of the author.
>Not an AMSAT-NA member? Join now to support the amateur satellite program!
>Subscription settings: http://amsat.org/mailman/listinfo/amsat-bb
------------------------------
_______________________________________________
Sent via amsat-bb@xxxxx.xxx. Opinions expressed are those of the author.
Not an AMSAT member? Join now to support the amateur satellite program!
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End of AMSAT-BB Digest, Vol 6, Issue 448
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