On Sun, 27 Jun 2004 00:30:12 GMT, Bob Moore
wrote:

zatatime wrote
Because FM band is a "Line of Sight" communications band.

That's true, but aviation band transmissions are Amplitude
Modulation (AM). Aviation transmissions are line-of-sight
because of the frequency, not the modulation type.

Bob Moore


Can you explain? 122.6 (for example) is an FM frequency, how does ATC
transmit on the AM band?

z