[aprssig] EB-432/PCSAT2/APRS Question

[VE7GDH]

Hasan N0AN wrote...

> I do not do doppler correction, so I deliberately set the vfo 5 khz
> high to catch the early part of a pass. If you set it dead center,
> that is the fastest point of relative motion for an overhead pass,
> and the signal won't be in the passband very long. If you choose a lower
> pass  the doppler rate is lower, so if you pick the freq judiciously, you
> can maximize the number of possible packets in the passband, BUT you have
> to set the VFO freq higher due to doppler (in the early part of a pass).

Just curious... when the "bird" is whizzing towards you, wouldn't you want
your receive frequency high and your transmit frequency low? For approaching
satellites, would you do a bit better if you adjusted both instead of just
enhancing your receive?

73 es cul - Keith VE7GDH
--
"I may be lost, but I know exactly where I am!"