[Propagation] 160m Propagation Prediction

["NW7US, Tomas" <nw7us@hfradio.org>]

On Sun, 26 Sep 2004 15:35:16 -0400, Jeff Maass <jmaass@columbus.rr.com>  
wrote:

> How does the MUF map predict availablity of a DX path
> for 80 Meter QSOs (which was the original question),
> or for 160 Meters?

It doesn't directly.  The F-layer is less useful for 160.  The E- and  
D-layer play more.  Here's a useful resource:

http://solar.spacew.com/www/160pred.html

This question (propagation on 80 and 160, and models used to forecast) is  
not addressed well in the VOACAP/IONCAP models.  There are other models  
that some software offerings incorporate to help in detailing signal paths  
for MW propagation.  Proplab and SnapMAX are two such examples.  The  
creator of ACE did incorporate some E-layer modeling, and was the creator  
of a DOD LF/MW version of what you see in the ACE software.

This question does bear some exploring.  I'm sure there are others on this  
reflector that can add to this discussion.

Are you familiar with NM7M and his discussions, books, and papers on  
top-band propagation?

73 de Tomas, NW7US (AARØJA/AAAØWA)

: Propagation Editor for CQ, CQ VHF, and Popular Communications :
: Quarterly Propagation Columnist for Monitoring Times Magazine :
: Creator of live propagation center - http://prop.hfradio.org/ :
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: 122.93W 47.67N / Brinnon, Washington USA - CN87 - CW/SSB/DIGI :
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