[AMRadio] Re: 160 Propagation

Thomas F. Giella kn4lf1 at verizon.net
Thu Dec 4 08:33:49 EST 2008


F layer ionization has been unusually weak due to the winter season "and" 
beginning of solar cycle 24, so close in propagation on 160 meters has poor 
as a rare skip zone formed much like we see on 80 meters in winter time. 
Last night the F layer critical frequency (foF2) was as low as 1775 kc. The 
night before the foF2 dropped as low as 1675 kc and the night before that as 
low as 1732 kc.

You can track the foF2 at 
http://digisonde.haystack.edu/cgi-bin/latest.exe .

73 & GUD DX,
Thomas F. Giella, KN4LF
Lakeland, FL, USA
kn4lf at arrl.net

LF/MF/HF/VHF Frequency Radiowave Propagation Email Reflector: 
KN4LF Daily Solar Space Weather & Geomagnetic Data Archive: 
KN4LF Daily LF/MF/HF/6M Frequency Radiowave Propagation Forecast & Archive: 
KN4LF 160 Meter Radio Propagation Theory Notes: 

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