TY  - GEN
AU  - Johnson,Eric E.
TI  - Advanced high-frequency radio communications
SN  - 0890068151
U1  - 004.66,JOH 
PY  - 1997///
CY  - Boston
PB  - Artech House
KW  - Shortwave radio
KW  - Wireless communication systems
N1  - High Frequency communication System Engineering Wireless (Page-1),  High Frequency Sky Wave Channels (Page-35), High Frequency Antenna  (Page-19), Digital Modems for High – Frequency Radio (Page-165), Automatic Link Establishment Signal Structure (Page-191), Automatic Link Establishment Protocols  (Page-217), Linking Protection (Page-277), The High – Frequency Data Link Protocol (Page-299), High Frequency Radio  Networking (Page-325)
ER  -