TY  - GEN
TI  - Handbook for radio operators Rg.67. 1961 edition: Appendix 9 long range area communications scheme
U1  - 384.9 
PY  - 1965///
CY  - London
PB  - Her Majesty Stationery office
KW  - Signals And Signaling
N1  - Appendix
ER  -