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I have an old '84 Sunflyer with sheet aluminum roof. I haven't bothered to check for chassis ground because it's very very unlikely. I have Googled and I have read what I can about antenna theory. What's not sinking in is weather or not you need chassis ground for RF "ground". Any thoughts?

I picked up about 100 pounds of Maxtrac and Kenwood radios, along with a box sirens ans strobe controllers. In the lot, I found a Pacific 80 channel SSB radio. Never heard of or seen one before. I wiped it clean but haven't powered it up. No power cord. It came with an old road king 56 so I'm...

I have a big outdoor-lighting power supply. 1000W I think. Would it be worth it to try and mod it for DC? I doubt it's regulated and it's definitely Chinese (Home Depot). It was a freebie, left over from a job.

I decided that my 29GTL deserved a real antenna so I took the leap. As my new Sirio Twin-Log 5 was in transit, I had a conundrum on where to put it. Originally, I was planning to stick it on the roof....Big ground plane and all. My '95 Tahoe is 6' to the rack and even my Li'l Wil hits things...

Anyone care to help me diag my new 23 channel base station? I have soldered in a "new" speaker and a 1k ohm resistor + LED behind the meter. All after cleaning the mold from inside the case and off the PCB with $8 worth of CRC. It receives but transmits only a 60hz hum and no voice. I did...

I reversed polarity and killed my radio. I replaced the idiot diode (which was dead shorted) and it powers up, but won't Rx or Tx and makes only very faint static through the speaker. Would anyone here be willing to walk me through diaging and fixing my radio? I feel like a complete idiot and...