Good Evening, I have a PD455 Super Stationmaster that is about 12 years old. I recently replaced it due to and SWR issue. I suspected a jumper issue. But since it is so high up on a tower, I didn't want to take any chances while having the climbers rig the tower, and pay twice, so I went ahead and replaced the antenna as well as the jumper.
Well, come to find out, the problem was that the LDF4-50 jumper came loose from the side arm, and the stress pulled the center pin in on the N connector, thus causing an arc condition inside the N female connector at the bottom of the antenna. To make matters worse, the actual N Female termination was half unscrewed from the bottom of the antenna. Once on the ground, I decided to unscrew it out completely. To my suprise, it looks like the antenna is actually terminated into something resembling a UHF male connector embedded into the end of the inner assembly, and a UHF female to N female adapter is screwed in at the factory, providing the N female termination as ordered I'm guessing that if some other termination (DIN or UHF) is ordered, a different adapter is screwed in. Anyone familiar with this adapter, or know where I can obtain said replacement adapter? I have some standard UHF female - N female barrel adapters, but they are much shorter and not of the quality like the Celwave unit. I don't want to trust a cheap adapter at 500ft in the air! I'll call RFS when I get a chance, but based on recent correspondence with them, I don't hold much hope getting any support from them. Sad part is their old factory in Marboro NJ was a mile from my office - in the early 90's telecom boom days I used to drive my truck there and pick 30 Statiomasters up at a clip, no cardboard tubes needed! Now their old office and testing grounds is a strip mall, and the factory land has been surrounded by million dollar homes! Eric KE2D
