Hello Everyone,
Our http://www.amsat.org web page has been updated to show you a few of the
latest photos of ARISSat-1 undergoing its successful vibration testing.
Check out http://www.arrl.org/news/arissat-1-in-satellite-final-preparation
for additional photos.
Thanks to Gould WA4SXM for this l
Hello Everyone,
Thanks to the ARISSat-1 team for providing a copy of their Symposium
presentation materials. Links to the following have been posted at
http://www.amsat.org
1. ARISSat-1 color frequency guide
2. PDF copy of ARISSat-1 Overview presentation slides (~3MB)
Lots more information will
Hi Everyone,
I've set up a fundraiser on Facebook using Fundrazr and PayPal. If you
have a Facebook or Twitter account, please visit http://bit.ly/c861N7
and use the share button to post to your own account. The $2000 dollar
limit is far below what we need to raise, but is the max allowed by th
Hi all,
We are just about to cross the $1000 mark on our PayPal fundraiser, and
along with the $710 raised from the Facebook campaign, we are making a
dent in recovering the funds spent on ARISSat-1 and those funds that
will be spent on FOX. I want to thank those that donated, and those that
t
Hi all,
I again monitored and worked into ARISSat-1 during the earlier pass and the
final one as it entered eclipse
over here in Europe.
The early pass was a low angle from my QTH and screened by buildings so
I was not able to access the satellite. However the FM downlink was
quite reaso
Also the 13:50utc pass: satellite still functioning correct
Henk, PA3GUO
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ALL,
I very much regret to report that on the pass over Cincinnati this
Morning using Dr. Kelso's Keps for January 4, 2011 with the AOS predicted at
14:24Z, there was no evidence of any signal on 145.950 or 145.930 MHz.
It may be that this very enjoyable, interesting and challenging
Hi All,
Just a quick clarification needed by me on the Telemetry format that is
going to be used by ARISSat-1 and Funcube (& I guess the Funcube boards
onboard UKube-1...)
Lots of places are referring to it as BPSK1000, but I have seen
references claiming it is DBPSK. Can someone clarify if it is
Hello everyone,
I've updated the http://www.amsat.org web page news items to include the
latest news about ARISSat-1 and the plans to activate it aboard the ISS next
week.
You will also find ...
+ Link to download ARISSatTLM software
+ Link to PDF version of ARISSatTLM Software User Guide
+ Link
Last pass 19.50 UTC over Europe, no signals
73 de Giulio I4/AB2VY
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Dear all,
Nothing heard from ARRISSat-1 on 145.950 (FM) and 145.919 (USB) during the
April 12 23.20 UTC pass over Vietnam.
73,
Thu XV9AA
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The AMSAT-UK International Space Colloquium at the Holiday Inn, Guildford, GU2
7XZ, England will be taking place during the activation of ARISSat-1.
Members of AMSAT-UK hope to be active during the ARISSat-1 tests from the
GB4FUN communications module situated in the Holiday Inn parking lot.
G
OK, call me old and sentimental ... But that was one of the most exciting
pre-recorded missives I have heard in my
50+ years ...
I got too excited to see if it was on 145.920 or 145.950 or 437.550 - sorry.
And a strong telemetry signal was heard after
the kid's message.
Clint Bradford, DM-13
Greetings,
Received and recorded message from space, to FN30, with special word..
73's Pete
WB2OQQ
www.massapequanyweather.com
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10:45 pass over Australia. About 25 degrees / 8 minutes.
Strong FM audio greetings heard and a very nice SSTV picture received, followed
by some spoken telemetry.
Picture and some recordings on my qrz.com page:
http://qrz.com/db/VK4FHAW
Cheers,
Andreas Kellner - VK4FHAW
___
ARISSat-1/Kedr heard female voice telemetry at 0557 UTC with antenna azimuth at
northwest and elevation 15 degrees while over western Tennessee.
Mike Schaffer/KA3JAW
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Not an AMS
Great pass. The first I've heard out of safe mode. Solid, full quieting using
just an Arrow ant. and HT.
Heard 3 messages, 2-SSTV frames, 2 or 3 voice tlm. Should be great for schools,
etc.
Yeah!
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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 remove
For those that are not (yet) able to receive ARISSat-1:
Here is a short mp3 recording of (a part of the) spoken telemetry:
Temp(erature) is +27 degrees C(elsius)
Battery Voltage is 31.22 Volt
Battery Current is -209 milliAmps
http://www.pa3guo.com/arissat1_pa3guo_voice_telemetry.mp3
Pretty nic
Unfortunately: ARISSat-1 still silent (entire downlink BPSK/CW/Xponder/FM).
There were up to 13 people connected at the same time to the audio stream.
Next passes:
23:00 utc 87 degrees
00:36 utc 86 degrees
http://www.pa3guo.com/webradio.html
Equipment: FCD + 2x6 elements beam
Will tune to FM do
Here is the audio I copied from ARISSAT-1 on the 9:45 pm PDT pass over
Sacramento, CA tonight.
While dark out here, you can hear the voice say:
NEC Temp A+40 degrees C
COntrol Panel Temp A+42 degrees C
Battery VOltage A 35.74 volts
after that I wasn't sure what was said, but attached is the au
I acquired the FM downlink signal at 0600 UTC and heard part of the
diagnostic message and the ID. The signal initially wasn't clear but it
improved by 0602 with little noise, strength of at least S8, and no fading.
At 0602, the following was transmitted after the ID and greeting:
MET = 65 minut
During the 2320Z pass of ARISSat-1 over North America this evening a number of
changes to the 2m FM transmissions were noted.
1) Male voice for telemetry means that the female voice files on the SD card
could not be read
2) No greetings, mean that the greetings stored on the SD card could not be
No CW beacon was heard. FM downlink was acquired at 0312 UTC with at least
S7 and no fading but some noise.
MET = 49 minutes
IHU temp = +39 degrees C (not sure about final integer due to noise)
Control panel temp = +28 degrees C
Battery voltage = 35.70 Volts
Battery current = -12 mA
Transmissio
The FM telemetry downlink was initially acquired at 0014 UTC with the end of
the SSTV transmission. The signal was barely audible.
Transmission resumed at 0016 with S9+ strength, no noise, and the following
details:
- ID
- Greeting in English
- Secret word
- MET = 45 minutes
- IHU temp. = +3
Appreciate confirmation of station calling W8ZCF on subject ARISSat Pass. Was
it W9ORD ?? Freq had QRM from local BC station harmonic.
Thanks to station calling.
Farrell Winder, W8ZCF, Cincinnati Ohio
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All,
I did some work tonight calculating Eclipses and looking at differences in
elevation.
If you are interested in peer reviewing my calculations, please let me know and
I will send you some files.
http://libjoe.blogspot.com/2012/02/arissat-1-analysis-eclipses-and.html
Enjoy!
Joseph Armbrust
Had a great pass, but saw nothing.
Also, did not hear Oscar 6. ;)
Alan
WA4SCA
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I was only monitoring 145.950. Heard ARISSat-1 "key up" during this pass in
DM13 (only 8 degrees elevation), but no audio heard.
Looking forward to 2:38AM PDT pass in a few minutes.
Clint Bradford, K6LCS
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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 correcti
Dear All,
Not sure if this was low power or high power, but the TX seems to be
on continuously, so I believe the satellite was in high power mode.
The following was copied from the voice telemetry on 145.950 MHz +/- FM
11 Aug at 0740 MYT or 10 Aug at 2340 UTC, ARISSat-1 Telemetry:
MET - 103
Dear All,
ARISSat-1 over West Malaysia, 12 Aug at 2325 UTC:
1. Satellite was in high power mode
2. FM downlink was heard very clearly
3. Managed to capture and forward 24 telemetry on the BPSK1000
downlink which was strong
Based on telemetry from CW decoder (unfortunately I had my telemetry
Hi
Last pass 17:12 17:19 UTC
A good and very clear signal heard at KK65GP from ARISSat-1
Power Mode was High at AOS changed to low power mode before LOS.
TM sent to command station
73 Nader st2nh
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Dear All,
ARISSat-1 was heard over West Malaysia during 13 Aug, 2225 UTC pass.
The satellite was first heard in low power mode and subsequently it
was in high power mode until LOS.
A total of 27 telemetry frames were copied and forwarded, and
subsequent replay of the I/Q recordings provi
Voice telemetry reception on Tuesday, Aug 16 at 0040 UTC on 2M 145.950 FM
during high power mode while over Fort Walton Beach, Florida.
Satellite tracking showed Azimuth: 314, Elevation: +34
Telemetry Data:
MET is 58 minutes
IHU Temp is +44 degrees C
Control Panel Temp is +29 C
Battery Voltage
An annoyingly high pass this evening (79 degrees, on the wrong side of a
South-centered rotor)...
03:44z 8/16/2011
MET = 60 min
IHU temp = +39c
Control panel temp = +29c
Battery = 35.58v
Charge = -20ma
Satellite appeared to switch to low power mode right before this, as there were
a couple of
Hi folks,
Another pass just now...
05:22z 8/16/2011 from CM98 in Northern Calif.
MET = 64 min
IHU Temp = +34c
Control panel temp = +28c
Battery = 35.86v
Current = -4ma
Low power mode, I think. 2 minutes off after the telemetry, then voices and an
SSTV picture, but very poor reception for the
Hii all,
ARISSAt-1 voice telemetry just now:
00:27z 8/21/2011 received at CM98
MET 42 min
IHU Temp = +30c
Control panel temp = +20c
Battery 3??? (lost to QSB)
Battery current ??? ma
SSTV picture followed (a real one this time, not pre-recorded!), then off.
00:29z 8/21/2011 received at CM98
I thought this video was an interesting explanation of the deploy of ARISSat
tomorrow morning and an overview of the EVA.
http://www.youtube.com/watch?v=8yMXeYOje3Q&feature=player_embedded
Brandon
K7BBR
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Dear All,
I notice that the MET was reset too as per the following telemetry
copied from ARISSat-1 over West Malaysia:
12 Aug at 1822 MYT (3 deg Elevation)
MET - 69min
IHU Temp - 42c
-Nothing else heard due to strong QSB-
12 Aug at 1955 MYT (57 deg Elevation)
MET - 65 min
IHU Temp - 42C
Cont
Dear All,
After seeing so many NOT heard reports, I am pleased to inform that I
heard ARISSat-1 as below:
12 August, 2151 Hours, all time UTC
or
13 August, 0551 Hours, MYT
Maximum elevation: 3 degrees
FM Voice Telemetry:
Battery Voltage 35.66v
Battery Current (unfortunately there seems to b
Wow, a nearly overhead pass, apparently mostly in high power mode (a first here
at KO6TH)
02:01z 8/21/2011 as received in CM98
Voice announcement (possibly Chinese or similar)
Telemetry:
MET = 45 min
IHU Temp = +33c
Control panel temp = +21c
Battery = 35.70v
Current = ?? (QSB)
Voice announce
The FM telemetry signal was acquired at 0342. The following was heard:
- End of ID ("...01S")
- Speech in unknown language
- MET = 54 minutes
- IHU temp. = +34 deg. C
- Control panel temp. = +24 deg. C
- Battery voltage = +35.54 V
- Battery current = -20 mA
- ID
- Speech in another unknown langua
Hello everyone,
This morning I had a good pass of ARISSat-1 over Hanoi, Vietnam and decoded
its BPSK-1000 for the first time. According to ARISSatTLM, more than 30
frames were sent to the server out of more than 60 decoded. Manually tuning
the CW signal to keep it within range is fun and it was au
Greetings,
Using solar data through 2011 Nov. 30 and updating the decay fit I am getting a
re-entry date of 2012 January 12 with a rule-of-thumb error estimate of +/- 10
days or so for ARRISSat-1 (37772).
Regards,
Jim, N8OQ
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Greetings,
The decay rate of ARISSat-1 has slowed down from the last decay prediction
I produced on 2011 Dec. 14.
It currently appears that ARISSat-1 (37772) will now decay on 2012 January 3
plus or minus a day. Caveat lector.
Jim, N8OQ
___
Sent
03 Jan 2012 / 12:16 UTC pass: ARISSAT-1 satellite is still fully functional.
MP3 recording of CW transmission via the transponder: "PA3GUO ARISSAT1
03JAN2012" (Jan 03,2012 / 12:16 utc)
http://www.pa3guo.com/arissat1_cw_03jan2012_1216utc_pa3guo.mp3
MP3 recording of FM (voice) telemetry at 145.950
Here's my recording. Lost it at around 1.5 deg and as you can hear, some heavy
fading. But when the
signal came in, it was loud and clear. Will try the transponder on one of the
next passes.
http://www.youtube.com/watch?v=ZWaQwBLmsrI
73 Mike K5TRI
___
Time to ask for help ...
Somehow my set-up for ARISSat BPSK decoding is not working.
My I kindly ask for your suggestions ?
Using an FCD & HDSDR I record the passes.
When I play back I see this freq spectrum.
Should such a result (S/N Ratio wise) be enough for the decoder to work ?
http://www.pa
Hello,
I finally got a very good pass of ARISSAT-1 over Puerto Rico with good
SSTV capture and a clearly heard message from Wesley (KP4WES).
What you see is a RealVNC connection to a Windows 7 PC in Puerto Rico
and a RemoteRig operated transceiver (Kenwood TM-D700) at my dad's house
east of
Satellite is high power mode. Strong Signal on VHF downlink.
MET: 1 minute (must just come out of reset ?)
Battery Voltage: 35.7 V
Current: - 4 mA
Temp: 26.5 Deg.
Heard several greeting messages, voice telemetry and 2 very nice sstv pictures.
Attached one, but not sure if that goes thru to the m
Hi all!
A friend of mine is a schoolteacher who is planning on using Arissat in a
classroom presentation. I wrote a paper detailing how to install/configure
Orbitron and Nova for Windows demo (for eclipse prediction). Also included are
some helpful setup procedures for field operations.
Anyone w
A nice strong pass over NH around 1500z. Many telemetry frames decoded and
forwarded. The little guy is still going strong! Oddly, the doppler
predictions seemed to be pretty close today even at its highest point when
the frequency changes most rapidly. Is there low solar activity or
something?
"ARISSat-1 Operational Survey"
by TAPR's Steve, N7HPR
at 2012 ARRL/TAPR DCC (Digital Communications Conference), Atlanta
http://youtu.be/t0i_6in8CE0
More Info about TAPR at: www.tapr.org
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Last recorded packet from the Space Station was 20110411140912...so that
transmitter was shut down 20 minutes prior to the scheduled start of the
"sat."
Roger
WA1KAT
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Not an AM
http://www.pa3guo.com/arissat1_voice_telem_pa3guo_02jan2012_1416utc.mp3
ARISSAT-1 still going strong Jan 02, 2012 / 14:16 utc pass over Europe:
- very strong downlink
- transponder active (CW uplink was easy, OZ1MY had very clear voice signal)
--
Henk, PA3GUO
_
"ARISSat-1 Operational Survey" by Steve, N7HPR at ARRL/TAPR DCC, Atlanta, GA,
September 21, 2012
http://www.youtube.com/watch?v=t0i_6in8CE0&list=PL2Uw0HJVsJgbkEi1cu1N_4K1SJzIu-PLx
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Ham Radio payload just mentioned on NASA-TV, using the "KEDR" name, mentioned
that it will operate on 145.900. Great PR !
de Bruce - W3NJ
-Original Message-
From: JoAnne Maenpaa
To: amsat-bb@amsat.org
Sent: Fri, Jan 28, 2011 9:09 pm
Subject: [amsat-bb] ANS-028 Special Bullet
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