[TowerTalk] Stupd question about measuring Z and SWR

[Roger D Johnson]

Real coax is seldom exactly 50 Ohms

Real coax has a small amount of reactance

Real coax has loss

If you don't do a SOL calibration at the antenna end you're just guessing!

73, Roger



> On 6/1/16 1:20 PM, Hans Hammarquist via TowerTalk wrote:
>> When you want to measure the "real impedance" at the antenna, isn't it 
>> important that you have a feeder (coax) that has the correct Zo=50 ohms all 
>> the way?
>>
>>
>> I guess that the bridge will not read a correct antenna Z if the coax is not 
>> perfect.
>>
>>
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