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Re: ao51 mode S tip



Very interesting David regarding the PC-1000 AFC.  You must be using
one of the aftermarket programs that appeared long after the one ICOM
shipped with the radio.  What might that be?  I will be most glad to
duplicate your results!   Cliff K7RR  LM 1606

David Giles wrote:
> 
> Hello All,
> Here's a tip that made my mode S reception easier.
> Yesterday was my first attempt on mode V/S with my BBQ grill mounted
> on the Az El rotators.  Previous attempts (all successful) had the
> antenna on a camera tri-pod - manual tracking and tuning.  The good
> thing about V/S is I only have to worry about the downlink, the
> uplink stays fixed.
> Well, the tracking worked, confirming my antennas are pointing in the
> right direction.  Signals very loud and QSB quite manageable.
> 
> Now here's the tip.  Downlink is a pacific monolithic downconverter
> with inbuilt dipole and output around 450.2MHz into a PCR-1000.
> Just for an experiment I turned on the PCR-1000s AFC and lo and behold
> it tracked the doppler without missing a beat.  Very impressed.
> For the record, the uplink was <5W into a W4RNL moxon rectangle array.
> 
> Now I won't have to worry about the downlink when I (eventually) get
> to try mode L/S.
> 
> 73 de David VK5DG
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