[amsat-bb] Re: Doppler tuning on older radios

Anthony Monteiro aa2tx at comcast.net
Tue Sep 19 19:14:28 PDT 2006

Hi Lars,

InstantTrack + InstantTune will auto-tune a radio using the
mic buttons. You can buy InstantTrack from www.amsat.org and
InstantTune is a free download from the "software archive"
section of the amsat web site.

You would need to build a simple parallel port interface to
connect the radio to your PC. Information on how to do this is
in the InstantTune manual included in the download.

If you want to run this under WindowsXP, send me an email
for a patch.

Tony AA2TX


At 07:49 PM 9/19/2006 +0200, Lars Petersen wrote:

>Hello group,
>My Kenwood TM-455E (70cm all-mode transceiver) has no RS-232 interface, 
>but it can be controlled in steps of 10 Hz using the microphone's up/down 
>What software/interface do I need to add automatic doppler tuning?
>73, OZ1BXM Lars, Holstebro, Denmark, AMSAT #36222
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