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#1
February 2nd 16, 08:04 PM
posted to rec.aviation.soaring
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Factory installed com antenna in the fin.
On Tuesday, February 2, 2016 at 6:43:02 AM UTC-8, shkdriver wrote:
Hey Group, I've got a 1975 Std, Cirrus new to me. I am replacing the com radio and in the process I deleted a poorly done splice in the coax cable with a rg-58 solder end. After the bnc end was installed, I measured the resistance between the center and shield leads, I measured 0.9 ohms, Snip snip Not too surprising. Look up Gamma matched antenna; the antenna is a dc short circuit. Heinz 
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#2
February 3rd 16, 11:21 PM
posted to rec.aviation.soaring
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Factory installed com antenna in the fin.
Most 'loaded' antennas will show little to no resistance. I just checked one and got .2 to .9 ohms. Recommend you get the BNC properly attached, then hook up your radio and give it a range check
JJ
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