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Re: Topband: J51A

To: topband@contesting.com
Subject: Re: Topband: J51A
From: Jim Brown <jim@audiosystemsgroup.com>
Reply-to: jim@audiosystemsgroup.com
Date: Thu, 5 Mar 2026 23:08:22 -0800
List-post: <mailto:topband@contesting.com>
On 3/5/2026 9:13 PM, Andree DL8LAS via Topband wrote:
So give us a call on topband, we are every night from our sunset on 160m.

Thanks Andy.

BUT -- remember that propagation into darkness peaks for as 30-45 minutes on the DAYLIGHT side of the terminator! Waiting until darkess misses good propagation, and so does quitting at the first sign of daylight in the morning! On 80M, it's about one hour, on 40M its about two hours. I have many times been frustrated by expedition operators who don't understand this, and change bands just when their signal to me is about to build!

73, Jim K9YC

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