[TowerTalk] OT: Exterior Ethernet Cable

Jim Brown jim at audiosystemsgroup.com
Tue Aug 12 03:38:02 EDT 2008


I said:

>>SHIELDED EQUIPMENT 
>> DOESN'T RADIATE OR RECEIVE. ANTENNAS DO!

Roger said:

>So does feed line with high SWR.

I reply

NO!  SWR does NOT cause feedline radiation. IMBALANCE IN THE ANTENNA 
causes common mode current on the feedline, and that common mode 
current causes radiation. 

73,

Jim K9YC




More information about the TowerTalk mailing list