TY  - BOOK
AU  - Sinclair 
TI  - How radio signals work : all the basics plus where to find out more 
SN  - 0074703293
U1  - 621.384 SIN 1997 
PY  - 1997///
CY  - New York
PB  - McGraw Hill
KW  - Radio
KW  - Amateurs' manuals
KW  - Receivers and reception
KW  - Transmitters and transmission
N1  - Includes index
ER  -