[Towertalk] director rotation

Chuck Sudds Chuck@dxham.net
Sun, 12 May 2002 10:42:35 -0500


At 11:18 PM 5/11/02 -0700, you wrote:

The old Telrex antenna company in Asbury Park, NJ, used to sell what they
called a "Spiralray"  11 element 6 meter beam.  I had the 27ft boom model
and the 36ft boom model and both worked fantastic!  They also made one
exactly like it but having all the elements in the same plane, which I seem
to recall had just a tad bit more forward gain.  Wish I still had one of
those antennas!

Chuck - KØTVD

>Interesting discussion ... I have had aerials "malfunction" during winter
>storms ... read, during contests .. and still work, but had no time to
>analyze whether it was for the better or worse... "keep the rate up" -- HI
>.. `tuther thing .. had a couple "TWIST" aerials years ago, on 6M .. as old
>rusty remembers, one was and 11 el GOTHAM beam, other was Gonset, I believe
>... anyway, there were various twisted element yagi design antennas, where
>each element added a certain degree of  off-center until the whole enchilada
>had made the 360 degree twist .. and mine seemed to work great... the best
>of both worlds, probably not master of none....  when I put up a killer KLM
>.. my twist, whichever I still had at the time, did not ever beat it...
>although, sometime it was interesting that it would equal, with such an boom
>length difference... and the KLM was slightly higher in altitude, so ...
>bottom line, twist lost, but sometimes anomalies happen ... I don't think I
>will be installing a 20M twist... Gads, too much like sticking a Quad on a
>tower!  Tnx definitive info, Mike!  73 y'all .. Mark, AA6DX  CN70wt