[Milsurplus] grm-55 use can it be used with a prc-77 set?

[jedifox]

hi all,
         i have a question for the brains trust here, can a an/grm-55 be 
used with a an/prc-77 set and a prc25t[for transistor output] , because 
i'd like to know before i purchase a grm-55. many thanks to all in advance.

highest regards
leigh