In article ,
Michael Coslo wrote:

I think that on some bands, such as 20 meters, a person can accidentally
stomp on another due to propagation, So often we only hear (or see) one
side of the QSO. We fire up, and soon the Ham we can hear and can hear
us tells us of our error.

That can happen on any HF band, I believe.

This issue was behind a lot of the protest over one aspect of the
ARRL's now-withdrawn "sub-bands by bandwidth" proposal. The proposal
had suggested opening up a much larger portion of the band to
unattended and semi-attended digital stations (typically, email
servers). Such systems are rather notorious for "stepping on" QSOs in
progress, due in part to this "only can hear one half of the existing
QSO" problem.

--
Dave Platt AE6EO
Friends of Jade Warrior home page: http://www.radagast.org/jade-warrior
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