On Sun, 2 Oct 2005 12:26:00 -0500, "Dave VanHorn"
wrote:

Not if the sleeve is doing it's job.
The sleeve's open end should look like a short at the operating frequency,
and keep RF off the feedline.

If you wish to keep common mode off the feedline you will need to add
decoupling.

That's the old AEA ISO-Loop had that extra sleeve.

Danny, K6MHE

email: k6mheatarrldotnet
http://users.adelphia.net/~k6mhe/