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Re: Topband: 3B9C propagation experiments

To: <topband@contesting.com>,"3B9C (by way of w4zv@contesting.com)" <fsdxa.cottonb@intnet.mu>
Subject: Re: Topband: 3B9C propagation experiments
From: "Milt Jensen, N5IA" <n5ia@zia-connection.com>
Date: Sun, 28 Mar 2004 10:08:24 -0700
List-post: <mailto:topband@contesting.com>
Nearly identical to our experience at XZ0A sunset to NA.  Cqing with
nothing, then after a single CQ sequence, BOOM, there they were with
multitudes of signals.  Then we just followed the morning terminator across
the US.

Milt, N5IA

>     Hypothesis 1:  Our experience here is that the band opens to North
> America like someone flipped a switch in the ionosphere.  This is very
> consistent.  Many consecutive CQs with absolutely no detectable response.
> (When not actually working stations, we are calling CQ every 5 seconds
from
> 1330z [half-hour before sunset] until 0230z [half-hour after sunrise]
> through the entire night.  We've seen some emails from people who think we
> are not on the band sometimes.  We are always on and transmitting -- if
you
> don't hear us, you don't have propagation.)  Then one more CQ, and the
> listening frequency is immediately filled with many stations from all over
> North America!



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