User:BinD
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hi and stuff GR / ground ranging?
- GR-1
- GR-2
- GR-3 sound ranging
- GR-4 Flash ranging
- GR-5 hydroacoustic tracking set
- GR-6 sound ranging
- GR-7 hydroacoustic tracking set
- GR-8 sound ranging
- GR-9
- GR-10
- vehicle shown is T-4 Armored car. Circa-1933
- Reciever shown is BC-189
Related Files
- Remote Control Equipment
- RC-261
- 28 Oct. 1944