[amsat-bb] Re: software

[Wayne Estes W9AE <w9ae@xxxxxxxxxxxxx>]

Phil KB9CRY wrote:

My experience is the auto control of the radio is very troublesome, regardless 
of the radio or software used.  Also there are many times that you want to 
manually tweak the radio during a pass and if it's being controlled by the 
software then you two are fighting each other.  

Wayne replies:

I agree that full Doppler tuning is sometimes problematic because of drifting downconverters and because most others don't use it.

Good Doppler tuning software does NOT "fight" you.  It immediately suspends Doppler tuning when it detects that you are tuning manually, and automatically resumes Doppler tuning when you stop tuning manually.  SatPC32, InstantTune, and W6IHG Radio Tuner do not "fight" you if your radio's CAT interface allows the software to read the VFO frequencies.  Doppler tuning software will "fight" you if your radio's CAT interface doesn't allow the software to read the VFO frequencies (FT-736R and early FT-847 production runs, for example).

Wayne Estes W9AE
Mundelein, IL, USA
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Sent via amsat-bb@amsat.org. Opinions expressed are those of the author.
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