I made RADIOSCAF-B lemonade this morning at approx 8:50 UTC:
Ingredients:
One (1) RADIOSCAF-B satellite w/missing(?) receive antenna
Twenty-five (25) watts of rf (CW) to 11 elements
11 elements for receive
My downlink was not super strong, but certainly Q5.
This was a maximum 6 degree elevation
I set up an entry in Doppler.sqf, originally as ISS and now as RADIOSCAF-B for
the ARISSat1 CW and telemetry frequencies. SSB receive only so TX set to 0
MHz, step 20Hz. Unfortunately the doppler correction is not following the
received frequency correctly. The rate of change is wrong so I
RADIOSCAF-B
1 37772U 98067CK 11218.16773367 .00019609 0-0 23780-3 055
2 37772 051.6393 269.1699 0013099 049.9392 351.2537 15.60542636 290
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Tried to work the 1201Z 06AUG2011 pass of ARRISSat-1 from FM26 this
morning without much luck. I have been successfully working the FM
birds for a while but this is my first attempt with a linear bird. I
was wandering if someone with a similar setup could verify my settings?
Equipment as
Hi,
Has anyone used an FT-847 and SignaLink USB to copy, or attempt to copy, the
BPSK telemetry? Reports of success or failure equally useful. In either
case, it would be helpful to know approximately when the rig was
made/purchased, due to the numerous running production mods. There have been
a
Hi Dick,
Is your hardware/software control working?
Is the CAT interface known to work?
When tracking the satellite-does it show C+ in the top right window
of setting options? It must have the + or it won't adjust the radio.
You can set it to + by default by checking
On 8/4/2011 11:04 PM, Sion Chow Q. C. (9W2QC) wrote:
Dear All,
It was great to receive ARISSsat-1 over West Malaysia during 5th
August 2011, 0223 UTC pass. Maximum elevation was 89 degrees.
Sion
It is always great to see your early reception reports on amsat-bb!
Keep up the good work.
In HRD, do you have the transponder set up as inverted (RX mode USB, TX mode
LSB, Linear Inverting Transponder button clicked)? If you have it set up
right,
the TX frequency should track in the opposite direction as you tune the RX.
It is normal for the TX frequency to be lower in the early
On the ARISSat-1 pass just ended here (23 degrees max elevation), results
were about the same as yesterday. I heard my CW downlink for about a
minute, peaking 559. Several other CW signals were in there, but I couldn't
get
their calls due to the deep fades.
Bruce appears to be right
Hi!
This was my first attempt on this satellite. CW
telemetry at 145.920 was easy to copy, and I
hear CW and SSB through the transponder. It
wasn't hatd to hear the transponder after the
satellite was up a few degrees from the horizon,
and I heard my own CW near mid-pass. Maximum
elevation here
Congrats to Kevin KF7MYK award #19 for 5 in em55
WA4HFN em55 Damon
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Patrick,
It must have been you that I heard calling CQ on CW.
73 Ray W2RS
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Hi Patrick,
I will listen for you on the next pass (7 minutes from now). I could clearly
hear myself on the last pass once it got above 5 degrees. I can copy the FM
and CW TX from AOS to LOS just fine.
Hope to work you,
Jeff - K2AK
DM41
-Original Message-
From:
Thanks guys for going out there. Just looked at the card and it sure looks
great. Thanks for the contact on VO-52
and fun to hear a mini-pile up on the sat HI HI
73 Mike K5TRI
On Aug 5, 2011, at 10:10 PM, Rodney Waln wrote:
http://www.2011convention.org/w1aw.html
aj1o and kc0zhf will be
Hello,
Last night I was caught by surprise while listening to Arissat-1 over
Puerto Rico the voice of a boy called Wesley (KP4WES). It was in
Spanish, and now I found out he's the son of WP4T (Walter) who I know
personally and have worked him on AO51. KP4WES is only 9 years old!
Here's a
Hi Ray!
I wasn't calling CQ on the last pass at 1509-1517 UTC.
As I expected, I could not hear myself through the
transponder on this lower pass (maximum elevation
15 degrees). I copied more CW telemetry at 145.920,
one CW signal near the center of the transponder,
and listened a bit to the
Hi Mike!
Thanks for coming back to me on the same VO52
pass. Hopefully the New Mexico gang will be on the
next VO52 pass. After working you, I didn't stay on
therr for too long, as I was getting set for the
next ARISSat-1 pass I listened in on.
By the way, you can see my QTH here in the park by
Heard ARISSat-1 voice identification on 145.950 FM on Saturday, August 6
at 0535 UTC in Tampa, Florida.
Satellite tracking
Az: 296, El: 5 over the Texas/Oklahoma border (0535 UTC)
Az: 329, El: 8 over the Missouri/Illinois border (0537 UTC)
2M Cushcraft Oscar 14520T (10 vertical elements
from the 1202Z pass this morn. Best of the three passes caught. 15 deg
elevation here in EM30.
73
George
WA5KBH
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Noisier at 30 degrees this 1332 pass than the previous on at 21 degrees.
Tried to hear my own cw signal but did not succeed.
73
George
WA5KBH
EM30
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What is the life expectancy of ARISat-1?
How long till the orbit degrades and it burns away?
73!
James
KB7TBT
www.kb7tbt.com
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Hello all,
Since we have the kepler data via celestrak.com I have configurated my
satpc32 with the following lines in the doppler.sqf file:
RADIOSCAF-B,145920,0,USB,USB,NOR,0,0,BPSK/CW-2
RADIOSCAF-B,145950,0,FM,FM,NOR,0,0,VOICE/SSTV
RADIOSCAF-B,145930.0,435750.0,USB,LSB,REV,0,0,XPDR
For those
AOS-LOS: 1505 - 1512 UTC 06AUG2011
1. FM Telemetry LOUD!:
MET = 4106 minutes
IHV Temp. is +26 deg C
Control Pnl Temp. is +24 deg C
Battery Voltage is 33.68 Volts
Battery Current is 358 MA
Also heard several cw stations in downlink passband and 1 SSB station which
repeatedly said CQ DM04
2.
Hi Patrick,
It wasn't the 1509 pass that I may have heard you on, but the 1332 one. I
was on the 1509 pass, but couldn't hear my downlink then.
73 Ray
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I found that a homebrew single transistor untuned preamp (page 4.42 of the
RSGB's VHF/UHF handbook) was sufficient to lift pictures out of the noise -
thought the funcube developers might reflect on this , looks like it's an
essential feature for the ground station.
73 de andy g0sfj
On 6 Aug 2011 at 9:02, Bill Photinos wrote:
Date sent: Sat, 06 Aug 2011 09:02:51 -0400
From: Bill Photinos b...@photinos.com
Subject:[amsat-bb] ARISSSat-1 Help
To: amsat-bb@amsat.org
Tried to work the 1201Z 06AUG2011 pass of
No joy on the 12:00Z pass (48 deg max elev) here... could hear the CW beacon,
BPSK, and FM transmissions with deep fades, but otherwise quite well. No other
stations heard in the transponder passband, nor could I hear myself on the
downlink, from 5 to 75 watts uplink using omnis (M2 eggbeater
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And for those interested, here are also the keps for the Juno mission
that launcehe whenever.
RADIOSCAF-B
1 37772U 98067CK 11218.50559604 .00020539 0-0 24860-3 064
2 37772 051.6392 267.4691 0013035 051.9088 088.6610 15.60559006 345
JUNO
1 37773U 11040A 11217.69136966 +.2254
It seems that the FUNcube Dongle Pro shop, is able to maintain some stock levels
So now the rush has subsided a little, grab a FUNcube Dongle pro right now and
have
ago a receiving ARISSAT.
Order here http://www.funcubedongle.com/?page_id=286
Rob
AMSAT-UK
Does anyone know if Professor Harris was involved in the design of any aspect
of ARISSat-1?
A weird inquiry from my In Box this morning ...
Clint Bradford
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Not an
the
middle of the orange line range when there is a signal.
Any thoughts? Windows Vista SP2 with M-Audio Delta44 sound card set for
48000Hz sample rate.
Thanks!
Jerry
N0JY
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I'm having trouble getting telemetry.
ARISSatTLM will see the signal on the Tuning Indicator and I have tuned
the CW signal everywhere from the yellow mark to the top and bottom of
the blue range.
It decodes the CW fine in the Morse Code Decoder window but nothing
ever
shows up in the
,
Is there anything between the speaker out and line in (or mic) on the sound
card?
What are you using for radio/Doppler control?
Mark N8MH
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On 8/6/11 9:54 AM, Nigel A. Gunn, W8IFF/G8IFF wrote:
JUNO
1 37773U 11040A 11217.69136966 +.2254 -71274-5 +0-0 0 00015
2 37773 028.7890 020.5966 0025801 264.4436 221.8704 16.2621444202
These elements don't make sense. This object is in a low circular orbit,
while Juno is on an
On 8/6/11 9:31 AM, N0JY wrote:
I'm having trouble getting telemetry.
Jerry, is this a night-side pass with the satellite in low power mode?
The coding is not optimal for a signal that's present only a small
fraction of the time, as it takes 16.384 sec at AOS to fill the pipe
in the
On 8/6/11 8:23 AM, George Henry wrote:
It doesn't appear that the satellite has any active or passive attitude
control
system.
Correct.
I have heard that the spin should eventually settle around the same
axis as the antenna, but is there any reasonable hope that that would happen
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On 8/6/11 6:09 AM, Alan P. Biddle wrote:
Hi,
made/purchased, due to the numerous running production mods. There have been
a few reports of people being unable to print the BPSK telemetry, even
though the signal is good, and the CW decodes well.
I just thought of another possibility. I
Hi All,
I was monitoring some passes while mobile today, and amidst all of the
confusion of messing with coax and frequencies, I accidently transmitted on
440, through the preamp, with 35w (the relay is rated at 25w). I thought I had
switched the VFO back to 2m, but I guess not. It was only
I forgot to mention that it is the ARR SP432VDG model.
From: Zachary Beougher
Sent: Saturday, August 06, 2011 3:40 PM
To: amsat-bb@amsat.org
Subject: ARR Preamp Help
Hi All,
I was monitoring some passes while mobile today, and amidst all of the
confusion of messing with coax and frequencies,
You have blown it--If you are not a handy tech. - Send it back to ARR
and they have a flat fee for repairs. Check with them on the
internet.
73,
Dee, NB2F
-Original Message-
From: amsat-bb-boun...@amsat.org [mailto:amsat-bb-boun...@amsat.org]
On Behalf Of Zachary Beougher
Sent:
Perhaps it's in a parking orbit waiting for another burn.
On 08/06/2011 07:20 PM, Phil Karn wrote:
On 8/6/11 9:54 AM, Nigel A. Gunn, W8IFF/G8IFF wrote:
JUNO
1 37773U 11040A 11217.69136966 +.2254 -71274-5 +0-0 0 00015
2 37773 028.7890 020.5966 0025801 264.4436 221.8704
N0JY
Make sure your receiver has any noise filters turned off. They can prevent the
decoder sw from working.
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http
Hi Eric ON4HF,
I wonder which version of SatPC32 are you using?
I have put your lines into DOPPLER.SQF file but it does not do any change!
Isn't there any mistake in those lines?
Otherwise nasa.all file does not contain RADIOSCAF-B data!
It can be found in amateur.txt list only!
gl de ha6nn
Hi
ARISSat-1 transponder is active .with very poor noisy downlink and deep QSB .
Listen to part of the downlink Audio
http://www.youtube.com/watch?v=-U8ZE5_DpqI
73′s
Nader
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Thanks for the responses everyone. And Dee, no, I am not a handy tech -
obviously! I transmitted probably 2-3 times through it using 35w, 1-2
second each, then it blew. Like you, Mark, I am a little surprised it blew
so quickly, but oh well.
Thanks!
Zack
KD8KSN (aka reckless preamp
Oops, I didn't read the whole post. Nevermind.
Dave - KB1PVH
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On Aug 6, 2011 4:24 PM, Bato, Andras b...@starjan.hu wrote:
Hi Eric ON4HF,
I wonder which version of SatPC32 are you using?
I have put your lines into DOPPLER.SQF file but it does not do any
The AMSAT keps get updated once a week or so, at this point Radioscaf-B
isn't there. You'll have better luck with CelesTrac keps.
Dave - KB1PVH
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On Aug 6, 2011 4:24 PM, Bato, Andras b...@starjan.hu wrote:
Hi Eric ON4HF,
I wonder which version of SatPC32
Congrats to Larry KI6YAA Award #20 for5 in EM55
WA4HFN EM55 Damon
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Another thing that may have gone is the RF sensing circuit that is
probably set for 25w max. RF switched preamps are more susceptible
to burn-out as they rely on fast switching of the preamp bypass
circuit. Even a few milliseconds delay will allow enough RF energy
to zap the delicate GasFet
http://ieeexplore.ieee.org/xpl/freeabs_all.jsp?arnumber=551
http://ieeexplore.ieee.org/xpl/freeabs_all.jsp?arnumber=555
Last summer with Fred and Ben Egg at Crowncom.
Bob
N4HY
Sent from my iPad
On Aug 6, 2011, at 1:32 PM, Clint Bradford clintbradf...@mac.com wrote:
Does anyone know
I am going to suggest that some one has mixed their software defined radio
satellites up.
On the rideshare or HEO proposal (Eagle), fred and I did a design for the
wideband multiple channel digital receiver. This never saw the light of day
in AMSAT. Subsequent to that fred and I did a lot of
He was not involved.
On Sat, Aug 6, 2011 at 1:32 PM, Clint Bradford clintbradf...@mac.comwrote:
Does anyone know if Professor Harris was involved in the design of any
aspect of ARISSat-1?
A weird inquiry from my In Box this morning ...
Clint Bradford
I finally successfully decoded the BPSK telemetry!! On a 15 degree Max El
pass at that!
I wrote up a post that will hopefully help others if they decide to try it.
The audio is also available in the post so you can hear what it sounded like
during the pass.
http://www.n4jtc.com/?p=85
This is a
On Sat, Aug 6, 2011 at 10:39 AM, Luc Leblanc luclebla...@videotron.ca wrote:
On 6 Aug 2011 at 9:02, Bill Photinos wrote:
Date sent: Sat, 06 Aug 2011 09:02:51 -0400
From: Bill Photinos b...@photinos.com
Subject: [amsat-bb] ARISSSat-1 Help
To:
Hi Ed,
It is the 432 model, and I am sure I was on 440, so it must have been the
high power output that zapped it. I was using it for my mobile setup which
consisted of:
..
./ Coment CA-2x4SR 5/8 mag
Yaesu FTM-350AR Comet
RADIOSCAF-B
1 37772U 98067CK 11218.86259259 .00021723 0-0 26232-3 078
2 37772 051.6391 265.6719 0013091 053.4833 294.0582 15.60578441 392
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Hello,
Kids singing from Arissat-1. If someone can tell me who they are:
http://www.youtube.com/watch?v=ZrizY1tJK3Q
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Hi
Signal of Arissat-1 TPL over Brazil today ;
http://www.youtube.com/watch?v=Pyc-OZuV4OA
Suddenly the signal almost disappear and after some minutes , back very weak
.
73
PY5LF
LUCIANO FABRICIO
Curitiba-PR-Brazil GG54jm
http://www.qrz.com/db/py5lf http://www.qrz.com/db/py5lf
Dear All,
Had a 20 degree elevation pass in sunlight of ARISSat-1 over West
Malaysia at 0202 UTC, 07 August 2011.
Managed to copy and forward 21 telemetry and kursk frames to the
ARISSatTLM server, and this time I had SATPC32 adjust the doppler in
10 Hz steps. Although the doppler
I hope it doesn't outlast my delete key!
On Sat, 6 Aug 2011 11:57:57 -0400 James kb7...@gmail.com writes:
What is the life expectancy of ARISat-1?
How long till the orbit degrades and it burns away?
73!
James
KB7TBT
www.kb7tbt.com
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Thank you for your informative contribution..
Anyone with a real answer?
73!
James
KB7TBT
www.kb7tbt.com
I hope it doesn't outlast my delete key!
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