Richard<p><a href="https://mastodon.radio/tags/HC47S" class="mention hashtag" rel="tag">#<span>HC47S</span></a> Arrange for a greyline sked. Keep tabs of the signal reports during the whole window of opportunity and see how the signal booms in and fades out. For digimodes, you can either try a keyboard-to-keyboard mode which monitors the sig.al (Olivia, PSK, JS8) or try multiple exchanges on FT8/FT4.</p><p>From Europe, the greyline lands on different US states on different months.</p><p><span class="h-card" translate="no"><a href="https://mas.to/@hamchallenge" class="u-url mention">@<span>hamchallenge</span></a></span></p>