SCR-274N radio set
BC-442 Antenna relay circuit 7k
BC-450 receiver control box circuit 36k
BC-451 transmitter control box circuit 15k
BC-453 receiver circuit 190 - 550 kcs 70k
BC-946 receiver circuit 550 - 1500 kcs 49k
BC-454 receiver circuit 3.0 - 6.0 mcs 61k
BC-455 receiver circuit 6.0 - 9.1 mcs 58k
BC-456 modulator circuit 25k
BC-696 transmitter circuit 3.0 - 4.0 mcs 17k
BC-457 transmitter circuit 4.0 - 5.3 mcs 17k
BC-458 transmitter circuit 5.3 - 7.0 mcs 17k
BC-459 transmitter circuit 7.0 - 9.1 mcs 17k
SCR-274N layout 88k
I-84A receiver test set circuit 48k
I-85A transmitter test set circuit 51k
FT-233 one receiver rack wiring 23k
FT-277 two receiver rack wiring 36k
FT-220 three receiver rack wiring 52k
FT-220 three receiver rack circuit 46k
FT-264 four receiver rack wiring 67k
FT-234 one transmitter rack circuit 21k
FT-226 two transmitter rack circuit 26k
FT-276 three transmitter rack circuit 32k
FT-331 four transmitter rack circuit 39k
FT-230 remote adapter 2k
FT-260 local adapter 4k
A-61A phantom antenna circuit 2k
DM-32A dynamotor circuit 4k