| To: | topband@contesting.com |
|---|---|
| Subject: | Topband: Propagation |
| From: | Bill Tippett <btippett@alum.mit.edu> |
| Date: | Thu, 25 Nov 2010 09:40:31 -0500 |
| List-post: | <topband@contesting.com">mailto:topband@contesting.com> |
N6PE:
> Any program or url out there like W6EL or Ham Cap that you can
enter current SSN/K etc and get a 160 plot?
You can generally use an 80m plot and subtract ~3 S-units
(20 dB). Over the years I've found 80m conditions to be a reasonable
(but not perfect) predictor of 160m openings, including long
path. The very best tool for 160m is a good greyline map (e.g. DX
Atlas) with accurate sunrise/sunset times.
73, Bill W4ZV
_______________________________________________
UR RST IS ... ... ..9 QSB QSB - hw? BK
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