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MD-2017 Interference

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leap76

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Premium Subscriber
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Apr 17, 2009
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Vacaville, CA
Since the MD-2017 is Part 90 certified I use it as a backup radio on the public safety band. The primary receive frequency I use is 156.000 of which the MD-2017 picks up constant interference and inhibits TX for some reason. After doing some research it appears the MD-2017 employs a 26 MHz reference oscillator (same as the Baofeng UV-5R) which causes internal interference on frequencies with multiples of 26 of which 156.000 is. Does anyone know of a solution for this? Could this be fixed via a firmware update or is it a hardware change. This is a great radio, but the above issue makes is useless for 1/2 the reason I got it. Thanks for any insight.
 

nd5y

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Joined
Dec 19, 2002
Messages
9,330
Location
Wichita Falls, TX
It's probably because of insufficient internal shielding. It would cost too much to do it right or maybe designed by incompetent engineers.

The only thing you can to is use an external antenna far enough away from the radio that it the receiver can't pick up the reference oscillator harmonics.
 
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