9913 coax won't generate audible tones unless the wind is going between say a tower member and the coax, then it could act as a reed...
9913 and LMR400, however, have been tracked down to be the cause of all kinds of RF racket when in duplex operation... http://www.repeater-builder.com/antenna/ant-sys-index.html On Sat, Apr 3, 2010 at 10:17 AM, Mike <m...@aweiowa.com> wrote: > You are correct; it's either a Diamond or Comet. I think it's a vomit. I > took some binoculars out and gazed at the top; the cap is still attached. > The "wispiness" of the stick is the reason I "lassoed" the top. It really > is a thin walled radome. For what it's worth, it is connected to a UHF > repeater in my office at the base of the tower and has *phenomenal* > coverage > WITHOUT preamplification. The 9913 coax(NOS) I used wouldn't generate > those > tones would it? > > Friendly Regards, > > Mike Gilchrist > Disruptive Technologist > Advanced Wireless Express > P.O. Box 255 > Toledo, IA 52342 > 239.770.6203 > m...@aweiowa.com > > > -----Original Message----- > From: wireless-boun...@wispa.org [mailto:wireless-boun...@wispa.org] On > Behalf Of AJ > Sent: Saturday, April 03, 2010 10:51 AM > To: WISPA General List > Subject: Re: [WISPA] Pan flutes on the tower > > Comet, Diamond and a number of off shore companies > (Workman/Opek/Tram/Browning/Jetstream) all make a variant of this antenna - > the most common failure we've had is wind on top mounts snapping them in > half... If you looked at the inside prior to it being sealed up, it's > nothing more than a very thin wall fiberglass tube with some brass rod > hovering in the middle, supsended by nothing more than packing peanuts :) > > Another item - couldn't quite tell from the picture - the top metal cap on > the antenna has been known to blow off (held on with a dab of wood glue, no > wonder)... This might also cause some issues... > > > > > > -------------------------------------------------------------------------------- > WISPA Wants You! Join today! > http://signup.wispa.org/ > > -------------------------------------------------------------------------------- > > WISPA Wireless List: wireless@wispa.org > > Subscribe/Unsubscribe: > http://lists.wispa.org/mailman/listinfo/wireless > > Archives: http://lists.wispa.org/pipermail/wireless/ > -------------------------------------------------------------------------------- WISPA Wants You! Join today! http://signup.wispa.org/ -------------------------------------------------------------------------------- WISPA Wireless List: wireless@wispa.org Subscribe/Unsubscribe: http://lists.wispa.org/mailman/listinfo/wireless Archives: http://lists.wispa.org/pipermail/wireless/
