ft-857

Like the title says I have a 857D that doesn't hear 2m or 70cm FM for crap. TX is immaculate. NOAA comes in xtal clear. Receive tones are off. I found an old thread here where a guy in Australia, I believe, had the same problem. Narrow banding helped him but in my case it helps some but...

I'm running a FT-857D/ATAS-120 mobile setup, External ICOM speaker. I've also RF grounded & reduced vehicle-produced QRN per K0BG's page. The setup has been great for working DX, in it's stock arrangement, but I'd like to know if anyone else out there has deployed any external DSP filtering on...