Hi John,
The answer is no if you have already grounded the coax before it gets
into the shack (for example, in an entry panel).
But as I noted in my response to K6UJ, there are good reasons for using
an additional choke on the coax outside the shack -- to improve power
handling by dividing common mode voltage between two chokes, or to have
a second choke serve as an "egg insulator" to prevent interaction with a
nearby vertical antenna by break up the feedline.
73, Jim K9YC
On Tue,4/19/2016 2:48 PM, [email protected] wrote:
If you have a good choke at the antenna and good coax, is there a reason for
having another choke inside the shack?
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