I recently purchased the FM35 and TM100 antenna. The problem I am having is that, on broadcast, I am hearing what sounds like leaking between the stereo channels. This is most noticeable if one of the audio inputs on the FM35 (left or right) is disconnected. A low volume, scratchy, distorted version of the broadcast audio is heard through the corresponding disconnected channel on FM reception. A variation of this effect is heard when broadcasting in mono.
I have tried many different audio sources including a Kenwood component CD player (line level source). I have also used different cables, audio level settings (inc power and volume on the FM35) and antenna setups. I even re-read the FM35 and TM100 manuals.
The TM100 is attached to ~40 feet of RG213. I tried different transmitter and antenna locations. I have even tried a different antenna cable (~30 FEET RG58). I have also tried a dipole, a long wire and whip antenna at low power settings. none of these modifications has had any effect on the broadcast quality.
I have contacted Ramsey Tech and shipped them the device for testing. They have checked the device, shipped it back to me stating "no problems found". They did suggest that a high SWR could cause similar problems and suggested I check my antenna and feed line.
This is most annoying and I am running out of ideas. I am thinking about buying an antenna tuner and SWR meter but am searching here before I do.
For what it is worth, before I bought the Ramsey, I was quite happy with a small "Sound Sender" device I bought from radio shack years ago. With the voltage cranked up and a long wire clipped to the whip it worked very well in the house, driveway and yard, but had only limited range at the far end of our property. The Ramsey device is more powerful and sophisticated to be sure, but is it really that sensitive to set up?
I searched the forums but did not find any exact match to my problem. Any advice or stories of similar experience are welcome.
Hoping for some help.
Thanks for your time,