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Re: VO-52 telemetry ?



The CW beacon is not telemetry, it is a preprogrammed message according to 
previous information from William. The telemetry for the satellite is in the 
VHF high band somewhere. If you google for ANUsat there is a pretty good 
schematic which looks like the ones I've seen of VO-52; I would guess they 
are of very similar design/construction. The telemetry system is likely the 
same. If it disappears after I post this, email me. I have a local copy of 
both.

http://www.iaanet.org/symp/berlin/IAA-B4-0501.pdf

Compare the block diagram to the one posted by William...

http://www.qsl.net/pe1rah/HAMSAT-info.htm

All this probably won't help with decoding anything, but the information is 
out there....

73, Drew KO4MA


----- Original Message ----- 
From: "i8cvs" <domenico.i8cvs@tin.it>
To: "Miguel Menéndez" <ea1bcu@amsat.org>; "AMSAT-BB" <amsat-bb@amsat.org>
Sent: Saturday, May 28, 2005 8:03 PM
Subject: Re: [amsat-bb] VO-52 telemetry ?


> Hi Miguel, EA1BCU
>
> The VO-52 telemetry will be active in CW at 145.860 MHz 12 WPM
> only when the duch transponder will be operational but the format and
> the equations are actually unknow.
>
> From the beginning only the indian transponder was in use and the beacon
> at 145.940 MHz (+18 dBm) is a continuous carrier very well audible
> over the noise.
>
> The performance of the indian linear transponder is very good with heavy
> SSB and CW activity over Europe.
>
> 73" de
>
> i8CVS Domenico
>
> ----- Original Message -----
> From: "Miguel Menéndez" <ea1bcu@amsat.org>
> To: <amsat-bb@amsat.org>
> Sent: Saturday, May 28, 2005 4:09 PM
> Subject: [amsat-bb] VO-52 telemetry ?
>
>
>> HI,
>> I would like to know if somebody has received the VO-52 telemetry.
>> Is it active, is it known their format and structure?
>> I have attempted it in the CW frequency, but I don't listen anything.
>>
>> --
>> 73,
>> Miguel, EA1BCU
>> www.ea1bcu.tk
> ----
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----
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