On Mon, 15 May 2006 07:06:30 -0400, "Robert11" wrote:

Hello,

Are HF-GCS frequencies "always" USB ?

Thanks,
B.


On occasion you'll hear ALE, or data transmissions, Data will usually be on one
of the ground station's discrete frequencies rather than the primary
frequencies. The voice communications use USB exclusively.

John Kasupski, Tonawanda, New York
Amateur Radio (KC2HMZ), SWL/Scanner Monitoring (KNY2VS)
zIRC #monitor Admin
http://www.wzrd.com/~kc2hmz/