[amsat-bb] Re: Half-duplex on the Kenwood TH-F6A

Patrick STODDARD (WD9EWK/VA7EWK) amsat-bb at wd9ewk.net
Tue Apr 16 13:40:54 PDT 2013


> My experiences though are with the FM easysats (including AO-51 of happy
> memory). Has anyone had any luck with this radio's SSB receivers for the
> linear birds?
I have a TH-F6A, and have used it as the downlink receiver when working
SSB via satellite.  I use an FT-817ND as my uplink transmitter, and will
occasionally use the TH-F6A as the downlink receiver in place of another
FT-817ND.  The all-mode receiver in the TH-F6A is not as sensitive nor
as selective as the receiver in the FT-817ND for SSB and CW, but it can
work.  I don't work the lowest passes on VO-52 with the TH-F6A as my
receiver, and only look at the higher passes for FO-29 - but it can work
this way.

I have recently purchased the 2m/70cm broadband preamp from AMSAT,
but have not had a chance to try it out.  As long as I don't swamp the
front end of the TH-F6A's receiver, that HT with the preamp may be my
ticket to a better receive setup with the HT.  Even without the preamp, I
have done demonstrations using an FT-817ND with a TH-F6A, making
for a very small and portable all-mode satellite station.



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