>As a matter of fact, in general, killing the current on the
>coax shields has fixed all kinds of wierd stuff around the
>the above to the KW high isolation chokes on the input & output
>AL1200, rf on coax shields is a real pain.
This should be no surprize to those who read carefully the W2DU
articles and also read the experiments conducted by W7EL and
reported in Antenna Compendium #1 dealing with measurements of RF
on the feedline.
I use a bead balun when I make measurements with my General Radio
1606 RF bridge. I have recorded differences between measurements
with and without the beads; the ones with the beads are closer to
Tod Olson, K0TO
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