The main HF Fleet receiver from the early 1960's and fitted in all ICS1 [STANDARD 3A] ships/submarines and also in ICS 1 Mixed Fit [STANDARD 3B] ships. After the introduction of the FTA, is could receive all frequencies from VLF to HF.

Click here CJA CJC.pdf for a description, here CJC[1].pdf for a picture of a CJC and here CJA[1].pdf plus here

Click to enlarge

for  pictures of a CJA.

See also the 'COMIST/ICS' scuttle in the TRANSMITTER section matrix.