TY  - BOOK
ED  - post office
TI  - handbook for radio operators: working installatins licensed by the home office
SN  - 0 11 880462 6
PY  - 1978///.
CY  - london: 
KW  - Communications
KW  - Radio
KW  - Telegraph
N1  - 257pp., 21x15
ER  -