[amsat-bb] Re: D STAR

Tony Langdon vk3jed at gmail.com
Mon Nov 11 22:14:27 PST 2013

On 12/11/13 3:25 AM, Stefan Wagener wrote:
> Yes,
> It could work as long as software for doppler control (eg SatPc32) can
> invoke the smaller frequency changes which it actually can (see my other
> note on the IC-9100). So you would use the built-in DSTAR module for uplink
> or downlink and the 9600 packet mode with a GMSK node adapter for the other
> in a full duple radio like the IC-9100. Or you use two radios in 9600
> packet mode with 2 node adapters for uplink and downlink as long as they
> are supported via doppler software and small frequency steps.
I think setups using GMSK modems or a DV-RPTR board and an all mode 
radio with Doppler correction will have the most success on satellite 
D-STAR, because computer Doppler compensation and the small tuning step 
size will keep everything within tolerance.  Time to pull my DV-RPTR 
board out and hook it up to the IC-7000. :)

73 de Tony VK3JED/VK3IRL

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