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agpucheu(at)gmail.com
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 Posted: Thu Nov 12, 2015 3:34 am Post subject: doRNE C-70 aNTENNA pROBLEMS |
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ood morning, I wanted to ask about a problem we are having a c-70 dorne a cessan 150.
We had an escort radio- vor 110 radio, and now a narco Radio 120.
The problem is that the antenna is not working. We have disarmed the antenna and do not see anything wrong, like check the antenna, and found on the antenna plate containing two terminal cabels soldiers, I do not have to work that way.
Someone knows how to make an antenna for the 118-137 MHz frequency. to replace given that their cost is very high.
thanks you
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jetboy
Joined: 22 Jul 2006
Posts: 233
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| Posted: Sat Nov 21, 2015 5:41 pm Post subject: Re: doRNE C-70 aNTENNA pROBLEMS |
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I had the same D&M type on my C150 but it didnt look like your connection plate photo
They are a good antenna and are better for the full aircraft band 118-137
than a simple rod antenna
Usually it is best to replace - maybe a used one - to fit the same mounting holes on your aircraft.
Actually for my 150 I bought a second one and mounted it on the other side. They were not expensive when you consider the mounting requirements and the wide bandwidth.
The rod antennas sold for cropdusters etc. are very stiff and heavy so would damage the C150 they are cheaper I got one from ACS but cut it off and welded a tapered stainless steel rod from a radiotelephone antenna supplier instead. Its OK for my microlight where i also have a couple of minature R/T antenna bases on but for a C150 you would need something that looks like it has TSO approval.....
Ralph
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Ralph - CH701 / 2200a |
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