IIRC, the default (unpowered) was RHCP. Somewhere I have the manual for that antenna (I have one), and if I can find it, I'll check. 73, es Happy Thanksgiving! Jim KQ6EA
--- On Wed, 11/25/09, David Wing <da...@cdwing.com> wrote: > From: David Wing <da...@cdwing.com> > Subject: [amsat-bb] Polarity Switch Question > To: "'AMSAT-BB'" <amsat-bb@amsat.org> > Date: Wednesday, November 25, 2009, 12:15 PM > Getting really close to having > everything installed and working on the roof! > May get to work some birds later today if the XYL doesn't > corner me with > housekeeping chores in preparation for tomorrow. > > > > One of the antennas that I'm putting up is an old Cushcraft > 30 element 440 > with a polarity switch. I have not been able to find > any documentation on > this antenna and I wonder if there is an easy way to > determine if the > antenna is set up for RHCP or LHCP. Clearly feeding > 12v to the switch will > change the polarity but I'm wondering if there is an easy > way to determine > what the default setting is before the switch is > energized. > > > > 73, David > > K6CDW > > _______________________________________________ > Sent via amsat...@amsat.org. > Opinions expressed are those of the author. > Not an AMSAT-NA member? Join now to support the amateur > satellite program! > Subscription settings: http://amsat.org/mailman/listinfo/amsat-bb > _______________________________________________ Sent via amsat...@amsat.org. Opinions expressed are those of the author. Not an AMSAT-NA member? Join now to support the amateur satellite program! Subscription settings: http://amsat.org/mailman/listinfo/amsat-bb
