All American SAR- Radios from their beginning to 1968 are part of the collection. More modern ones are (still) too expensive....
 

  RT-278/RT-60 B

was used by the Navy and the Air Force. It is the same SAR -Radio as the RT-278/URC-10, except that it has different frequencies:

Frequencies:

121.5 MHz

243 MHz.

Channels:

2, crystal controlled.

HF output:

200 mW.

Sensitivity:

10 uV.

Modulation:

AM, mcw.

Year of issue:

1962.