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Re: Equipment for 38.4kbps on S-band?



Chris
   I have a Symek IFD board installed in both my 847 & 910 inputting into a 
Symek TNC31S 96/38k4 TNC. Using Wisp software the combo works great for 
AO-51.

73 Bruce KG4YEV

----- Original Message ----- 
From: "Chris Hill" <chris.hill@crhtelnet.com.au>
To: <amsat-bb@amsat.org>
Sent: Friday, September 16, 2005 2:38 AM
Subject: [amsat-bb] Equipment for 38.4kbps on S-band?


> Hi All,
>
> I am gearing up to receive the telemetry from SSETI-Express
> (http://sseti.gte.tuwien.ac.at/WSW4/MOPWS/understanding4.php).
>
> The reception of 9600bps FSK packet on 70cm seems straight forward (I'll 
> be
> using an FT-736R and an NB-96 TNC).
>
> However, what gear would people recommend for receiving the 38400bps FSK
> packet on 2.4GHz?  The Doppler will be around +/- 50kHz, which means the 
> IF
> filtering will have to be wider than the standard 110kHz used in Symek's 
> IFD
> board, or that Doppler tracking will be necessary.
>
> What equipment would people recommend for demodulating the 38400bps 
> packet,
> too?  The Symek TNC31 TNC fitted with a T-M38 modem?  A high-speed,
> USB-connected "sound card"?
>
> All suggestions gratefully received!
>
>
>
> 73
>
>
>
> Chris
> vk6kch
> ----
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----
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