Topband: Wire Guage vs Resistance

[RPARKES197@aol.com]

Hi All
not many books cover this problem of wire resistance at RF but Moxon does in 
HF Antennas for all Locations.

Quote: RF Resistance per Unit length is proportional to the circumference of 
the conductor and the square root of the frequency.

For 1.8MHz Moxon quotes the following resistance for Copper for half 
wavelength

0.5in dia      0.7 ohms
12swg       3.5 ohms
18swg       7 ohms
24swg       16 ohms

If the resistance could be up to 4 times higher for braided conductors then 
is worth taking another look at how ones low impedance antenna is configured.

73s

Bob Parkes
G3REP
"to engineer is human"



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