> The one I use looks exactly like the one shown, but mine has 
> a small disk at the end of the adjustable BNC probe.  
> 73 - Jim  W5ZIT

The picture in the PDF is for a different model that uses a grounded loop
(HX or HY series), not the capacitively-coupled (electrostatic) HZ series
like the ones Ridge sells and the ones you and I have.  On the capacitive
ones, you can't short to the thru-line no matter how far you run the coupled
section in because the center conductor on the coupled leg is recessed in
from the end of the teflon.

                        --- Jeff WN3A


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