I have a problem that's got me stumped. I am getting NMEA string noise in my
SSB on various channels, starting with 2162.

I have a Garmin GPS that feeds into a Noland Engineering NMEA Expander. The
SSB and three other devices come out. When I turn the power off to the
expander, I lose my GPS signal to all of the devices. When I power it up, I
get the noise in the SSB.

I even hooked the SSB NMEA cable to the input side of the expander, directly
to the GPS signal, and I still get the noise when the expander is turned on.
Thinking the expander was bad, I contacted them, and they sent a new one.
Same problem. I even get the noise in the SSB when the NMEA data cable is
unplugged from it. It has to be coming in either radiated or through the
power supply.

I'm lost... any suggestions?