Eugene, W2HX, wrote :
" well, the radio was designed the US (by Collins). But you are most
likely to find one built in Zagreb in the former Yugoslavia."

Eugene, what role then did Collins Canada play in all of this??  The
exciter unit of my own PRC-515 is clearly marked as
Rockwell International
of Canada Ltd
Collins Canada Division
Toronto Ontario

The other three units (control, amplifier, tuner) have none such and
only Yugoslavian (Serbian?) markings.  I had purchased my PRC-515 from
Elting Radio in present-day Serbia.

73,
... Martin   VE3OAT