SGC HF SSB - Page 6

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The SGC Building, 13737 S.E. 26th St. Bellevue, Washington 98005 USA
P.O. Box 3526, 98009 Tel: (425) 746-6310 Fax: (425) 746-6384
© 1997 SGC Inc.
CONNECTING THE GROUND..........................................................................................................................................74
CONNECTING THE FEEDLINE........................................................................................................................................74
CONNECTING THE AUDIO I/O JACK ASSEMBLY ......................................................................................................74
CONNECTING THE REMOTE CONTROL ......................................................................................................................75
COUPLER ............................................................................................................................................................................76
LOCATION..........................................................................................................................................................................76
CONNECTION TO POWER ...............................................................................................................................................76
CONNECTION TO RF GROUND ......................................................................................................................................77
CONNECTION TO TRANSCEIVER..................................................................................................................................78
CONNECTION TO ANTENNA..........................................................................................................................................78
THE COUPLER IN A HARSH ENVIRONMENT..............................................................................................................79
ANTENNA ...........................................................................................................................................................................79
LOCATION..........................................................................................................................................................................80
FEEDLINES .........................................................................................................................................................................81
FEEDTHROUGH CONNECTORS OR HOLES.................................................................................................................81
FEEDLINE ROUTING ........................................................................................................................................................81
HARSH ENVIRONMENTS ................................................................................................................................................82
NOISE AND INTERFERENCE...........................................................................................................................................82
NATURAL INTERFERENCE.............................................................................................................................................82
MAN-MADE INTERFERENCE..........................................................................................................................................83
NOISE REMEDIES AT THE TRANSCEIVER..................................................................................................................84
DIGITAL SIGNAL PROCESSING (DSP) ..........................................................................................................................84
NOISE BLANKER...............................................................................................................................................................84
MAGNETIC ANTENNAS ..................................................................................................................................................84
CHANGE OF FREQUENCY...............................................................................................................................................85
NOISE REMEDIES AT THE NOISE SOURCE.................................................................................................................85
ISOLATION AND BY-PASSING.......................................................................................................................................85
BONDING............................................................................................................................................................................86
STATIC COLLECTORS......................................................................................................................................................86
SHIELDING .........................................................................................................................................................................87
GROUNDING ......................................................................................................................................................................87
MOVING THE ANTENNA.................................................................................................................................................87
POWER CONCEPTS...........................................................................................................................................................88
FORWARD POWER............................................................................................................................................................88
REFLECTED POWER ........................................................................................................................................................89
STANDING WAVES...........................................................................................................................................................89
VSWR...................................................................................................................................................................................89
FIELD STRENGTH .............................................................................................................................................................89
FREQUENCY.......................................................................................................................................................................90
GAINS AND LEVELS.........................................................................................................................................................90
DO-IT-YOURSELF LIGHT-BULB DUMMY LOAD........................................................................................................90
RADIO TEST PROCEDURE...............................................................................................................................................92
COUPLER TEST PROCEDURE.........................................................................................................................................93
INSTRUMENTS...................................................................................................................................................................93
WATTMETER .....................................................................................................................................................................93
SWR METER .......................................................................................................................................................................93
FIELD STRENGTH METER...............................................................................................................................................94