Yes, mine does it as well. I was using an Icom IC-91A HT on 135Mhz AM (with rubber duck antenna) and as I moved the HT away from the P3, the noise diminished into the normal noise level at a distance of about 2 feet. Seems to be strongest directly in front of the display. Even to the sides of the P3, the noise is barely detectable. Didn’t determine the bandwidth of the noise, but it seems to be fairly broad, however it doesn’t seem to be detectable with any other of my station gear.
73, Charles, K4ZRJ
On May 26, 2015, at 8:54, Mike Greenway <
[hidden email]> wrote:
> I was doing some power line noise tracking with my AM VHF radio and brought it into the shack and laid it on the desk with no antenna and started receiving a loud buzz from it. The tracker radio was tuned in the 135 Mhz area. I moved it around to all the suspects like computer monitors, TV, computer etc but it turned out the noise was coming from the P3. I took all the cables off the P3 and used a battery to power it and the noise was still there very loud. I am always working to keep the RF noise low from all the items in the shack so not sure what to do about this one. The This P3 was factory assembled. Has anyone else seen this problem? 73 Mike K4PI
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