DME
0-20 DME NAUTICAL MILES PANEL METER - SIZE 1.75" X 2.25" USED 1980'S - In an aviation cockpit or maritime setup, DME stands for Distance Measuring Equipment. When seen on an analog panel meter displaying Nautical Miles (NM), it indicates the direct line-of-sight distance (slant range) between your vehicle and a specific ground-based radio navigation beacon
JAMBO82BJ