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CX2SA > SATDIG 01.01.12 16:57l 795 Lines 26622 Bytes #999 (0) @ WW
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From: CX2SA@CX2SA.SAL.URY.SA
To : SATDIG@WW
Today's Topics:
1. Re: FO29 and Kenwood TH-F6A (Patrick STODDARD (WD9EWK/VA7EWK))
2. Live Feed New Years Day (Craig Gagner)
3. Re: Live Feed New Years Day (Craig Gagner)
4. Re: FO29 and Kenwood TH-F6A (Gordon JC Pearce)
5. Re: FO29 and Kenwood TH-F6A (Greg D.)
6. ARISSat-1 SSTV cameras (Greg D.)
7. FO-29 over us? (ryan woods)
8. ARISSat-1 transponder question (Vu Trong Thu)
9. Re: FO29 and Kenwood TH-F6A (John Geiger)
10. Re: ARISSat-1 transponder question (David Palmer)
11. Re: ARISSat-1 transponder question (David Palmer KB5WIA)
12. Re: ARISSat-1 transponder question (Vu Trong Thu)
13. AMSAT-UK 80m Net recording on the Web (Trevor .)
14. Re: ARISSat-1 transponder question (Mark L. Hammond)
15. Re: ARISSat-1 transponder question (Vu Trong Thu)
16. Re: ARISSat-1 (37772) decay (Nico Janssen)
----------------------------------------------------------------------
Message: 1
Date: Sat, 31 Dec 2011 17:29:58 -0700
From: "Patrick STODDARD (WD9EWK/VA7EWK)" <amsat-bb@xxxxxx.xxx>
To: amsat-bb@xxxxx.xxx
Subject: [amsat-bb] Re: FO29 and Kenwood TH-F6A
Message-ID:
<CAN6TEUfV+bPJyocs74GUh75maaneyS00f-bv=8h3HmXk500nxg@xxxx.xxxxx.xxx>
Content-Type: text/plain; charset=ISO-8859-1
Hi John!
> Glad to hear that FO29 is back-now to get on it! ?Has anyone tried using a
> Kenwood TH-F6A HT to receive FO29, since it does receive SSB? ?I would be
> hooking it to an external antenna. ?Is it sensitive enough on SSB to hear
> the satellite? ?The QST review shows its sensitivity is a little down on HF
> and 6m SSB.
I also have a TH-F6A. For higher FO-29 passes, this HT is OK. Not
great, but it works. You are correct about its sensitivity being down
in SSB. Especially when compared to its performance in FM. An
FT-817 has a more sensitive receiver for 70cm SSB than this HT.
Also, you'll probably want to set the SSB tuning step at the smallest
setting (33 Hz). That's not as small as other radios, but small
enough to get signals lined up in the receiver.
If you can transmit CW or SSB on 70cm, why not try that HT on the 2m
downlinks for AO-7 (mode B) and VO-52. Just like with FO-29, you'll
probably want to only look at the higher AO-7 passes when using this
HT. For VO-52, I do OK when the satellite is above 7 or 8 degrees
elevation when using my Elk log periodic. VO-52's stronger downlink
makes it a lot easier to hear on the TH-F6A compared to AO-7 and
FO-29. I have not tried the TH-F6A on AO-7 mode A. It might be a
tougher challenge, in that AO-7 mode A can be tough to hear without
a good antenna setup for the upper end of 10m.
Good luck, and 73!
Patrick WD9EWK/VA7EWK
http://www.wd9ewk.net/
------------------------------
Message: 2
Date: Sat, 31 Dec 2011 19:30:29 -0500
From: "Craig Gagner" <crgagner@xxxxxxx.xxx>
To: <amsat-bb@xxxxx.xxx>
Subject: [amsat-bb] Live Feed New Years Day
Message-ID: <F8D8B6369C014BB29AD5779710BE025B@xxxxxxx>
Content-Type: text/plain; charset="us-ascii"
Ok for 1/1/2012 I will try to broadcast on Ustream all of the workable
passes of the ARRISAT-1. You can check for the passes using a location of
FN42be so you will know when I will be broadcasting. It worked really well
today and a lot of people heard the transmissions and actually saw the SSTV
images.
Anyway, have a Happy New Year !!
73
Craig, W1MSG
------------------------------
Message: 3
Date: Sat, 31 Dec 2011 20:17:19 -0500
From: "Craig Gagner" <crgagner@xxxxxxx.xxx>
To: <amsat-bb@xxxxx.xxx>
Subject: [amsat-bb] Re: Live Feed New Years Day
Message-ID: <6955B7F027EB4CCEADF47782973B35CD@xxxxxxx>
Content-Type: text/plain; charset="us-ascii"
Link for the broadcasts http://www.ustream.com/channel/w1msg
Enjoy
Craig
-----Original Message-----
From: amsat-bb-bounces@xxxxx.xxx [mailto:amsat-bb-bounces@xxxxx.xxxx On
Behalf Of Craig Gagner
Sent: Saturday, December 31, 2011 7:30 PM
To: amsat-bb@xxxxx.xxx
Subject: [amsat-bb] Live Feed New Years Day
Ok for 1/1/2012 I will try to broadcast on Ustream all of the workable
passes of the ARRISAT-1. You can check for the passes using a location of
FN42be so you will know when I will be broadcasting. It worked really well
today and a lot of people heard the transmissions and actually saw the SSTV
images.
Anyway, have a Happy New Year !!
73
Craig, W1MSG
_______________________________________________
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: Sun, 1 Jan 2012 01:21:44 +0000
From: Gordon JC Pearce <gordonjcp@xxxx.xxx>
To: amsat-bb@xxxxx.xxx
Subject: [amsat-bb] Re: FO29 and Kenwood TH-F6A
Message-ID: <20120101012144.35b7ee6b.gordonjcp@xxxx.xxx>
Content-Type: text/plain; charset=US-ASCII
On Sun, 1 Jan 2012 00:09:46 -0000
"John Geiger" <aa5jg@xxxxxxx.xxx> wrote:
> Glad to hear that FO29 is back-now to get on it! Has anyone tried using a
> Kenwood TH-F6A HT to receive FO29, since it does receive SSB? I would be
> hooking it to an external antenna. Is it sensitive enough on SSB to hear
> the satellite? The QST review shows its sensitivity is a little down on HF
> and 6m SSB.
Easily.
Get a decent hand-portable Yagi and have at it.
It's a shame that AO-51 is no longer with us, that was my favourite
"portable" sat for using with my TH-F7E and a homebrew crossed dual-band Yagi.
--
Gordon JC Pearce MM0YEQ <gordonjcp@xxxx.xxx>
------------------------------
Message: 5
Date: Sat, 31 Dec 2011 17:46:38 -0800
From: "Greg D." <ko6th_greg@xxxxxxx.xxx>
To: <aa5jg@xxxxxxx.xxx>, <k4feg@xxxxx.xxx>, <amsat-bb@xxxxx.xxx>
Subject: [amsat-bb] Re: FO29 and Kenwood TH-F6A
Message-ID: <BLU133-W252C78CAA7348B5632D419A9900@xxx.xxx>
Content-Type: text/plain; charset="iso-8859-1"
I've heard FO-29 with my F6, though kind of barely. You definitely need an
external
antenna (more than just an extended whip), and another radio for the
uplink since the F6 is FM-only on transmit (and it's not full duplex).
Greg KO6TH
> From: aa5jg@xxxxxxx.xxx
> To: K4FEG@xxxxx.xxxx amsat-bb@xxxxx.xxx
> Date: Sun, 1 Jan 2012 00:09:46 +0000
> Subject: [amsat-bb] FO29 and Kenwood TH-F6A
>
> Glad to hear that FO29 is back-now to get on it! Has anyone tried using a
> Kenwood TH-F6A HT to receive FO29, since it does receive SSB? I would be
> hooking it to an external antenna. Is it sensitive enough on SSB to hear
> the satellite? The QST review shows its sensitivity is a little down on HF
> and 6m SSB.
>
> 73s John AA5JG
>
------------------------------
Message: 6
Date: Sat, 31 Dec 2011 18:03:29 -0800
From: "Greg D." <ko6th_greg@xxxxxxx.xxx>
To: <amsat-bb@xxxxx.xxx>
Subject: [amsat-bb] ARISSat-1 SSTV cameras
Message-ID: <BLU133-W293F2E9FAB833FFD96393BA9900@xxx.xxx>
Content-Type: text/plain; charset="iso-8859-1"
Hi folks,
I just received an ARISSat-1 pass that crossed into eclipse about 80% of the
way by. As expected, the FM signal dropped pretty much immediately upon
entering eclipse. But that's not the reason for the post...
I got a really neat SSTV picture of the Sun streaming into the camera, just
a few seconds before the eclipse. Unfortunately it didn't show the planet
below (ran out of picture), but it got me thinking: Did the design team do
anything to protect the cameras when they're looking directly into the Sun?
Were these special cameras, or are we counting on the satellite spin to keep
them from getting too much of a sun tan and burning a hole in the sensor?
I ask because the camera I mounted on my Az / El rotor is dying, and I need
to replace it. I built a mechanical shutter to cover the lens when not in
use, but I wonder if it's worth keeping that mechanical contraption when I
get the replacement.
Thanks,
Greg KO6TH
------------------------------
Message: 7
Date: Sat, 31 Dec 2011 20:37:58 -0800 (PST)
From: ryan woods <kd8atf@xxxxx.xxx>
To: "amsat-bb@xxxxx.xxxx <amsat-bb@xxxxx.xxx>
Subject: [amsat-bb] FO-29 over us?
Message-ID:
<1325392678.18917.androidMobile@xxxxxxxxx.xxxx.xxx.xxxxx.xxx>
Content-Type: text/plain; charset=us-ascii
So is FO-29 working over the us yet?
Sent from Yahoo! Mail on Android
------------------------------
Message: 8
Date: Sun, 1 Jan 2012 11:43:49 +0700
From: "Vu Trong Thu" <thuvt@xxx.xxx.xx>
To: <amsat-bb@xxxxx.xxx>
Subject: [amsat-bb] ARISSat-1 transponder question
Message-ID: <001501ccc83f$f6273040$e27590c0$@xxx.xxx.xx>
Content-Type: text/plain; charset="us-ascii"
Happy New Year!
This morning I kicked off the new year with 2 passes of ARISSat-1, copied
both CW beacon, BPSK telemetry and FM voice/SSTV simultaneously on Kenwood
TS-2000. I would also like to try the transponder but don't know if my
transceiver allow it? This TS-2000 has all modes on its main transceiver but
its sub receiver only supports AM or FM. Could anybody help?
Thanks,
Thu XV9AA
------------------------------
Message: 9
Date: Sun, 1 Jan 2012 04:48:05 -0000
From: "John Geiger" <aa5jg@xxxxxxx.xxx>
To: <amsat-bb@xxxxxx.xxx>, <amsat-bb@xxxxx.xxx>
Subject: [amsat-bb] Re: FO29 and Kenwood TH-F6A
Message-ID: <94CF7EEA08E5469494CE5F41725CC027@xxxxxxxxxxxxxx>
Content-Type: text/plain; format=flowed; charset="iso-8859-1";
reply-type=original
Thanks to everyone for their comments on the F6A, and it is good to know
that it will work, although maybe an in-shack preamp might help some.
I would love a FT817 but it is a little out of the budget right now. A F6A
would be nice because I want to keep an HT and it could replace the Wouxun I
have now, as well as the Kenwood TM251A I am using for the FM satellites.
Selling both of those could come close to the price for a used F6A. I would
be hooking it to an outside antenna.
I don't currently have a way to transmit on UHF, though, except with the
Wouxun. I dont' have an adaptor to hook up its reverse SMA connector to the
outside antenna. I do have an Icom 706 original I can use to transmit on 2m
SSB/CW with, so FO29 would work if I have the F6A for receive. Maybe I could
even "key" the F6A's PTT button to send CW on UHF to get on VO52 with it.
Hope everyone has a nice 2012 and catches lots of satellite passes. See
everyone tomorrow on AO27 and SO50. It will be weird having tomorrow be New
Years Day but everyone celebrating it on Monday!
73s John AA5JG
----- Original Message -----
From: "Patrick STODDARD (WD9EWK/VA7EWK)" <amsat-bb@xxxxxx.xxx>
To: <amsat-bb@xxxxx.xxx>
Sent: Sunday, January 01, 2012 12:29 AM
Subject: [amsat-bb] Re: FO29 and Kenwood TH-F6A
Hi John!
> Glad to hear that FO29 is back-now to get on it! Has anyone tried using a
> Kenwood TH-F6A HT to receive FO29, since it does receive SSB? I would be
> hooking it to an external antenna. Is it sensitive enough on SSB to hear
> the satellite? The QST review shows its sensitivity is a little down on HF
> and 6m SSB.
I also have a TH-F6A. For higher FO-29 passes, this HT is OK. Not
great, but it works. You are correct about its sensitivity being down
in SSB. Especially when compared to its performance in FM. An
FT-817 has a more sensitive receiver for 70cm SSB than this HT.
Also, you'll probably want to set the SSB tuning step at the smallest
setting (33 Hz). That's not as small as other radios, but small
enough to get signals lined up in the receiver.
If you can transmit CW or SSB on 70cm, why not try that HT on the 2m
downlinks for AO-7 (mode B) and VO-52. Just like with FO-29, you'll
probably want to only look at the higher AO-7 passes when using this
HT. For VO-52, I do OK when the satellite is above 7 or 8 degrees
elevation when using my Elk log periodic. VO-52's stronger downlink
makes it a lot easier to hear on the TH-F6A compared to AO-7 and
FO-29. I have not tried the TH-F6A on AO-7 mode A. It might be a
tougher challenge, in that AO-7 mode A can be tough to hear without
a good antenna setup for the upper end of 10m.
Good luck, and 73!
Patrick WD9EWK/VA7EWK
http://www.wd9ewk.net/
_______________________________________________
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: 10
Date: Sun, 1 Jan 2012 06:06:24 +0000
From: David Palmer <dpalmer@xxxx.xxx>
To: Vu Trong Thu <thuvt@xxx.xxx.xx>
Cc: amsat-bb@xxxxx.xxx
Subject: [amsat-bb] Re: ARISSat-1 transponder question
Message-ID:
<CAO-vtPNt-MAKH8i=duAPSHTDUfch_Xw9fMAvJHBknuHLeMfpGw@xxxx.xxxxx.xxx>
Content-Type: text/plain; charset=ISO-8859-1
Hi Thu,
Happy New Year to you as well!
I don't have a TS-2000 myself, but that rig should be fully capable of
working the ARISSat-1 transponder, many hams use the rig for AO-07 and
VO-52 which work essentially the same way as ARISSat.
The challenges (above copying the downlinks as you're doing now) are
that you'll need to have the uplink (70cm) antenna working, as well as
have the computer control of doppler for up/down on your rig. SatPC32
works well for this. Also, signals through the transponder are very
weak, so you'll need to have some gain in the antennas and/or power on
the uplink.
On a related note, I had a nice (short!) QSO with N6EV tonight through
the transponder -- 01/01/2012 0124z. It's super-exciting to hear
another station coming through the passband!!! ARISSat-1 may not have
much time left, but it's still working great.
73 and Happy New Year all,
Dave KB5WIA
On Sun, Jan 1, 2012 at 4:43 AM, Vu Trong Thu <thuvt@xxx.xxx.xx> wrote:
> Happy New Year!
>
> This morning I kicked off the new year with 2 passes of ARISSat-1, copied
> both CW beacon, BPSK telemetry and FM voice/SSTV simultaneously on Kenwood
> TS-2000. I would also like to try the transponder but don't know if my
> transceiver allow it? This TS-2000 has all modes on its main transceiver but
> its sub receiver only supports AM or FM. Could anybody help?
>
> Thanks,
> Thu XV9AA
>
> _______________________________________________
> 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: 11
Date: Sun, 1 Jan 2012 06:43:42 +0000
From: David Palmer KB5WIA <kb5wia@xxxxx.xxx>
To: AMSAT BB <amsat-bb@xxxxx.xxx>
Subject: [amsat-bb] Re: ARISSat-1 transponder question
Message-ID:
<CAO-vtPMPkMjpbunNnoXq-03ZLPuT-XmiUHCHT1mu2Fx7ftxeBQ@xxxx.xxxxx.xxx>
Content-Type: text/plain; charset=ISO-8859-1
Hi Thu,
Happy New Year to you as well!
I don't have a TS-2000 myself, but that rig should be fully capable of
working the ARISSat-1 transponder, many hams use the rig for AO-07 and
VO-52 which work essentially the same way as ARISSat.
The challenges (above copying the downlinks as you're doing now) are
that you'll need to have the uplink (70cm) antenna working, as well as
have the computer control of doppler for up/down on your rig. ?SatPC32
works well for this. ?Also, signals through the transponder are very
weak, so you'll need to have some gain in the antennas and/or power on
the uplink.
On a related note, I had a nice (short!) QSO with N6EV tonight through
the transponder -- 01/01/2012 0124z. ?It's super-exciting to hear
another station coming through the passband!!! ?ARISSat-1 may not have
much time left, but it's still working great.
73 and Happy New Year all,
Dave KB5WIA
On Sun, Jan 1, 2012 at 4:43 AM, Vu Trong Thu <thuvt@xxx.xxx.xx> wrote:
> Happy New Year!
>
> This morning I kicked off the new year with 2 passes of ARISSat-1, copied
> both CW beacon, BPSK telemetry and FM voice/SSTV simultaneously on Kenwood
> TS-2000. I would also like to try the transponder but don't know if my
> transceiver allow it? This TS-2000 has all modes on its main transceiver but
> its sub receiver only supports AM or FM. Could anybody help?
>
> Thanks,
> Thu XV9AA
>
> _______________________________________________
> 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: 12
Date: Sun, 1 Jan 2012 15:17:32 +0700
From: "Vu Trong Thu" <thuvt@xxx.xxx.xx>
To: "'David Palmer'" <dpalmer@xxxx.xxx>
Cc: amsat-bb@xxxxx.xxx
Subject: [amsat-bb] Re: ARISSat-1 transponder question
Message-ID: <000001ccc85d$d1f686d0$75e39470$@xxx.xxx.xx>
Content-Type: text/plain; charset="us-ascii"
Hello Dave,
Thank you for your response. As far as I know to use the transponder I have
to use LSB for 70cm uplink and USB for 2m downlink? However I can only set
the TS-2000's main transceiver to LSB or USB while its sub-receiver only
supports AM and FM. Power is not an issue for me and I have Az/El controlled
yagis.
Has anybody here worked the transponder with a TS-2000?
73,
Thu
-----Original Message-----
From: zdap42@xxxxx.xxx [mailto:zdap42@xxxxx.xxxx On Behalf Of David Palmer
Sent: Sunday, January 01, 2012 1:06 PM
To: Vu Trong Thu
Cc: amsat-bb@xxxxx.xxx
Subject: Re: [amsat-bb] ARISSat-1 transponder question
Hi Thu,
Happy New Year to you as well!
I don't have a TS-2000 myself, but that rig should be fully capable of
working the ARISSat-1 transponder, many hams use the rig for AO-07 and
VO-52 which work essentially the same way as ARISSat.
The challenges (above copying the downlinks as you're doing now) are that
you'll need to have the uplink (70cm) antenna working, as well as have the
computer control of doppler for up/down on your rig. SatPC32 works well for
this. Also, signals through the transponder are very weak, so you'll need
to have some gain in the antennas and/or power on the uplink.
On a related note, I had a nice (short!) QSO with N6EV tonight through the
transponder -- 01/01/2012 0124z. It's super-exciting to hear another
station coming through the passband!!! ARISSat-1 may not have much time
left, but it's still working great.
73 and Happy New Year all,
Dave KB5WIA
On Sun, Jan 1, 2012 at 4:43 AM, Vu Trong Thu <thuvt@xxx.xxx.xx> wrote:
> Happy New Year!
>
> This morning I kicked off the new year with 2 passes of ARISSat-1,
> copied both CW beacon, BPSK telemetry and FM voice/SSTV simultaneously
> on Kenwood TS-2000. I would also like to try the transponder but don't
> know if my transceiver allow it? This TS-2000 has all modes on its
> main transceiver but its sub receiver only supports AM or FM. Could
anybody help?
>
> Thanks,
> Thu XV9AA
>
> _______________________________________________
> 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: Sun, 1 Jan 2012 11:37:14 +0000 (GMT)
From: "Trevor ." <m5aka@xxxxx.xx.xx>
To: amsat-bb@xxxxx.xxx
Subject: [amsat-bb] AMSAT-UK 80m Net recording on the Web
Message-ID:
<1325417834.61964.YahooMailClassic@xxxxxxxxx.xxxx.xxx.xxxxx.xxx>
Content-Type: text/plain; charset=utf-8
Simon Brown HB9DRV has made available a recording of this mornings AMSAT-UK
80m net that he made from a remote receiver in Poole, Dorset.
The net is held every Sunday morning at 10am local time on a nominal
frequency of 3.780 MHz. Due to interference the net may move either side of
that frequency so tune around. Newcomers are most welcome to call-in.
AMSAT-UK Net recorded Sunday, January 1, 2012
http://www.ham-radio.ch/kits/sdr-radio.com/mp3/01-Jan-2012-1059%203.825MHz.mp3
You can listen to the remote radio of Paul M0EYT in Poole, Dorset as well as
other remote receivers in the United Kingdom and around the world via the
Web Servers (Free) page at http://www.sdr-radio.com/
Another web based radio site is http://www.websdr.org/
AMSAT-UK: http://www.uk.amsat.org/
73 Trevor M5AKA
------------------------------
Message: 14
Date: Sun, 01 Jan 2012 07:52:37 -0500
From: "Mark L. Hammond" <marklhammond@xxxxx.xxx>
To: "Vu Trong Thu" <thuvt@xxx.xxx.xx>, "'David Palmer'"
<dpalmer@xxxx.xxx>
Cc: amsat-bb@xxxxx.xxx
Subject: [amsat-bb] Re: ARISSat-1 transponder question
Message-ID: <GCsd1i00D4ltuWb05Csddf@xxxxx.xxx>
Content-Type: text/plain; charset="us-ascii"
Hello Thu,
YES, the TS-2000 will work linear transponders. You need to put the radio
into "Satellite mode" and it will do any mode in both the main and sub bands.
The difference between satellite mode and just using the "sub receiver" is
that in satellite mode, the main side of the radio is receive only, and the
sub is the transmitter only (no receiver function).
So, check out the purple satellite mode button :)
73!
Mark N8MH
At 03:17 PM 1/1/2012 +0700, Vu Trong Thu wrote:
>Hello Dave,
>Teak, so you'll need
>to have some gain in the antennas and/or power on the uplink.
>
>On a related note, I had a nice (short!) QSO with N6EV tonight through the
>transponder -- 01/01/2012 0124z. It's super-exciting to hear another
>station coming through the passband!!! ARISSat-1 may not have much time
>left, but it's still working great.
>
>73 and Happy New Year all,
>
>Dave KB5WIA
>
>On Sun, Jan 1, 2012 at 4:43 AM, Vu Trong Thu <thuvt@xxx.xxx.xx> wrote:
>> Happy New Year!
>>
>> This morning I kicked off the new year with 2 passes of ARISSat-1,
>> copied both CW beacon, BPSK telemetry and FM voice/SSTV simultaneously
>> on Kenwood TS-2000. I would also like to try the transponder but don't
>> know if my transceiver allow it? This TS-2000 has all modes on its
>> main transceiver but its sub receiver only supports AM or FM. Could
>anybody help?
>>
>> Thanks,
>> Thu XV9AA
>>
>> _______________________________________________
>> 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
------------------------------
Message: 15
Date: Sun, 1 Jan 2012 20:03:21 +0700
From: "Vu Trong Thu" <thuvt@xxx.xxx.xx>
To: "'Mark L. Hammond'" <marklhammond@xxxxx.xxx>
Cc: amsat-bb@xxxxx.xxx
Subject: [amsat-bb] Re: ARISSat-1 transponder question
Message-ID: <000601ccc885$bf7e41f0$3e7ac5d0$@xxx.xxx.xx>
Content-Type: text/plain; charset="us-ascii"
Hello Mark,
Thanks for your suggestion, I have looked at the manual to learn about this
function. Tomorrow morning there's a good ARISSat-1 pass over my QTH and
I'll give it a try :)
73!
Thu
-----Original Message-----
From: Mark L. Hammond [mailto:marklhammond@xxxxx.xxxx
Sent: Sunday, January 01, 2012 7:53 PM
To: Vu Trong Thu; 'David Palmer'
Cc: amsat-bb@xxxxx.xxx
Subject: Re: [amsat-bb] Re: ARISSat-1 transponder question
Hello Thu,
YES, the TS-2000 will work linear transponders. You need to put the radio
into "Satellite mode" and it will do any mode in both the main and sub
bands.
The difference between satellite mode and just using the "sub receiver" is
that in satellite mode, the main side of the radio is receive only, and the
sub is the transmitter only (no receiver function).
So, check out the purple satellite mode button :)
73!
Mark N8MH
At 03:17 PM 1/1/2012 +0700, Vu Trong Thu wrote:
>Hello Dave,
>Thank you for your response. As far as I know to use the transponder I
>have to use LSB for 70cm uplink and cay of ARISSat 1 still stays on
> the same date: January 4 +/- 1 day.
>
> As the aerodynamic drag increases, the telemetry of the
> satellite should show ever higher temperatures in the
> coming days. Especially interesting is the data from the
> Kursk experiment, that measures the density of the air
> around the satellite.
>
> Happy New Year to all!
>
> 73,
> Nico PA0DLO
>
>
> On 2011-12-22 16:15, Nico Janssen wrote:
>> Hi,
>>
>> My current prediction for the decay of ARISSat 1 is
>> January 4, 2012, +/- 3 days. If solar and geomagnetic
>> activity really increase before the end of December,
>> as some predictions suggest, the decay may be a few
>> days earlier.
>>
>> 73,
>> Nico PA0DLO
>>
>>
>> On 2011-12-11 15:24, Nico Janssen wrote:
>>> Hi,
>>>
>>> Solar activity has remained at relatively low levels. There
>>> have not been any M or X class solar flares nor magnetic
>>> storms in the past several weeks. As a result, the expected
>>> decay date of ARISSat 1 has shifted into January. It is now
>>> to be expected around January 3, but depending on solar
>>> activity it may be more than 5 days later or earlier.
>>>
>>> 73,
>>> Nico PA0DLO
>>>
>>>
>>> On 2011-11-28 21:36, Nico Janssen wrote:
>>>> Hi,
>>>>
>>>> With its relatively high area to mass ratio, ARISSat 1 is
>>>> quite sensitive to space weather changes. In the past two
>>>> weeks solar flux values have been relatively low,>
>>>>> So now we have seen decay predictions ranging from December 2011
>>>>> to April 2012. Let's see how we converge to the actual decay date.
>>>>>
>>>>> 73,
>>>>> Nico PA0DLO
>>>>>
>>>>>
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> _______________________________________________
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