Total posts : 45366
“I have two coax cables one is 100 feet the other one is 25 feet, they are the same cables I have always used. The 100 foot cable ussally yields about a .5 drop on the output meter over the 25 foot cable. I have tried both cables in the current new location and I peak at about 3 1/2 with the 25 foot cable and about 3 with the 100 foot cable, both result in a very small listenable area.”
Ok..what TYPE of coax? From your description it sounds like good low loss coax with only a .5 drop on the meter between the 25 foot coax and 100 foot long coax.
“Do you guys think it is possible that it could have to do with the area I am broadcasting from? Thats really the only thing that has changed.”
No, I don’t think your talking about a huge distance difference from the 4 different locations, if all 4 locations are on the same property of typical size, unless your talking about a huge property spanning more than 1 acre. But going from the back yard to the front yard…seriously doubt that is causing the problem..more like what your suspecting now and what I pointed out earlier….
“Is mosture inside the ATU unit a possible cause? If there was a bad seal on the case. I only ask because this is the pacific northwest and there has been a lot of rain lately. Just trying to think up some possibilities.”
Yep. The ATU by itself..it’s case is not exactly 100 percent weatherproof, but adequate for infrequent uses. Most have put that thing inside their own outdoor cabinet for added weather proofing.
Moisture build up will cause a problem..a big problem to any loaded 3 meter antenna system if that moisture builds up on the loading coil/tuning coil and in the case of that ATU, the ATU’s input coupling toroid.
Open it up and take a look…should be dry with no evidence of any moisture condensation spots or other discoloration.
BTW, have you gone back to location point 1 where it was performing better since moving to the other? If so and your getting the same degraded performance, I put my money on the ATU being the fault.