Look in the RV salvage yards. colawrvsalvage.com factoryrvsurplus.com
The radios were of poor quality, with nicad batteries. If they are not cared for they corrode and make a mess of the radios.
I have my 4 with batteries removed, just to fill the holder. They are in great shape but my Midlands outperform them.
You can find much better radios.
04 Horizon QD, 12 Ford Flex, Excalibar, Brakemaster, Winter Texan, RVin! since 1974
Norm, Donna & Tinker Kat 74 MGB-GT, 75 MGB, 01 Z3
Life is a Timed Event, you only get One Go Around!