Have a look at the alphaspid:
At 03:05 PM 9/1/2002 -0400, David wrote:
>I'm going to replace my current rotor with something a bit more substantial.
>The rotor will need to fit inside the top section of my new HDX-555 tower
>(inside dimension is 12"). I'll be turning an Optibeam OB11-3 and either a
>40mtr rotatable dipole or a small WARC antenna stacked above it on a 20'
>I'd like to stay in the $1000 range if possible.
>Any happy campers out there with a rotor you'd like to recommend?
>Thanks to all,
>Self Supporting Towers, Wireless Weather Stations, see web site:
>Call 888-333-9041 to place your order, mention you saw this ad and take an
>additional 5 percent off
>any weather station price.
>Towertalk mailing list
Robin Midgett KB4IDC