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Re: Mode A: wanted?



I'll back the "AU" idea.  Good thinking, Paolo.

73 de VE7MDL              ....Erik.

At 16:25 05/02/97 +0000, Pitacco Paolo wrote:
>Hi all!
>
>I think that a mode A transponder is a good starting idea, but a problem
>arise immediately: we have little space in the 2m band to be shared 
>between various satellites (including MIR and next ISS).
>I suggest an evolution of mode A, for example a mode "AU", with input on
>70cm and output on 10m.    Why not?
>The 10m band is under-used from space, and the UHF is more suitable
>for most country; with this combination will be possible cross-link
>operation between satellites (ISS for example, with mode J).
>For telemetry, I have found very useful and friendly the MICROSAT style,
>BPSK at low data rate (and work ok on 10meter).
>I have experienced a BPSK beacon with telemetry and user data, as for
>microsat, with an analog, conventional transponder (see AMSAT-Journal
>with the AMSAT-Italy educational transponder description).
>In this manner digital and analog enthusiast will be happy.
>
>Orbital height is'nt a problem, the goal is to work with the satellite!
>
>73 de Paolo, iw3qbn 
>[AMSAT Italy]
>iw3qbn@amsat.org
>
>



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