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group, I had noticed that over the last few months my radio had been "breaking squelch." It would sound just like someone was pushing the test button on the radio randomly- sometimes during transmissions, sometimes just while listening. It was getting loud, and annoying. I talked to one avionics shop about it and he said that "this happens as a radio ages, it just drifts out of tune and has to be re- tuned." Working for SkyWest airlines as I do, I walked down to our avionics shop and asked my friend down there about it. He said, "yes that can happen but check for corrosion first." So, after checking I found corrosion on the antenna post and connector, on the BNC connector for the coax on the back of the radio rack, and then pulling the radio out of it's rack we noticed some really light discoloration on the pins. As you may all know, on the back of your radio rack is a multi-pin connector that the radio plugs into when it slides in the rack. Just sliding the radio out and back into the rack a time or two cleans up the little pins. I put it all back together and it doesnt break squelch any more in factg it sounds stronger and clearer than it has for quite some time. Hope someone on the list saves themselves an expensive avionics shop visit by finding the same thing. Jan Zanutto Fresno, CA ========================================================================== ==== To leave this forum go to: http://ercoupers.com/lists.htm Search the archives on http://escribe.com/aviation/coupers-tech/
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