Double sideband would be AM except that the carrier is greatly reduced. You can still hear a little bit of carrier on AO-16 and helps with the tuning in during doppler. I find that upper SSB works the best for me whatever reason. This last pass was only 11 degrees, but I used my homebrew 2-meter ground plane and it did a better job of getting into the bird than the high-gain Ringer Ranger vertical. This would be expected for higher elevations, but still worked well for the low one as well.

I plan on trying to get my old 30 degree slopper 70 cm ground plane I made some time ago for the down link and see how it does. Right now I am using a dual band gain vertical. I suspect the results will be similar to the 2-meter ground plane. This is one of those times when it seems simple is good or better.

What a party line when trying to listen to AO-16, hi!!

Reid, W4UPD

Clint Bradford wrote:

...

...

...Mode FM Voice Repeater (Downlink is double sideband.)

Hmmm...Isn't "double sideband" AM? Amplitude modulation of a carrier wave normally results in two mirror-image sidebands...

How should I program my FT-817 for the downlink?

Embarassingly yours,

Clint, K6LCS

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