[BC] Re: dual ferrite AM antenna

R J Carpenter rcarpen
Tue Jan 3 14:19:22 CST 2006


WFI Feng said:
"At home, WFIF and WTOP's signals arrive on azimuths only a few
degrees apart. Nulling is nigh impossible. Best I can do is bring 
WFIF's
signal in above WTOP's, and that's no easy task."

Willie,

Have you investigated tilting the loop? It looks to me as though the 
zenith angle of arrival for WTOP off the E/D layer will be in the 
range of 15 to 20 degrees.  I'm too lazy to calculate it.   Your sig 
from WFIF will be a surface wave, I'd guess.

73 de bob
w3otc since 1948 



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