Dave wrote:
the 4.5 turns is a choke that cuts off the bottom part of the braid from the
top. the top 80mm and 70mm parts are then just a vertical dipole with the
feedpoint at the spot where the braid stops.

I have a Whip antenna that is supposed to give 3dB "gain" at 915MHz.

Which makes one wonder "3dB 'gain'" over what?
--
73, Cecil http://www.qsl.net/w5dxp

----== Posted via Newsfeeds.Com - Unlimited-Uncensored-Secure Usenet News==----
http://www.newsfeeds.com The #1 Newsgroup Service in the World! 120,000+ Newsgroups
----= East and West-Coast Server Farms - Total Privacy via Encryption =----