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Old January 24th 07, 04:31 AM posted to rec.radio.amateur.antenna
Jimmie D Jimmie D is offline
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First recorded activity by RadioBanter: Jul 2006
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Default receive only ferrite antenna


"dansawyeror" wrote in message
...
All,

I am interested in experimenting with ferrite core receive antennas. I
have about a dozen .4 by 10 inch rods. The primary band of interest is
75m. My question is:

1. For best reception is it better to make a fat or a long antenna? I
cannot find much written about these antennas and have not found any
equations.

The literature states the efficiency of these antennas can range from a
10**3 to 10**6 a dipole of the same size. Let's not argue the high end but
accept the low end for discussion. Does this ratio refer to length or
diameter?

Is there a good primer source? I have the ARRL Antenna handbook.

Thanks - Dan


Try googling loopstick antenna, while if didnt go through much of it there
seems to be a fair amount of info on the net.