Re: [RFI] MFJ 1026 under the hood?

["KD7JYK DM09" <kd7jyk@earthlink.net>]

If fuel injected, the pump is usually a constant whine.  If an on-demand 
pump, you might hear and puttering arcing sound every few seconds at idle, 
more often when driving.  If a mechanical pump, no noise.

Computers make a LOT of noise as well as up to dozens of other modules in 
your vehicle.  My particular vehicle, which I have yet to install my radio 
equipment in is PWM, Pulse Width Modulation, controlled.  I can hear 
drifting buzzing sounds quite well up to 500 MHz.

Kurt 

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