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BEFORE YOU START - INSTALLATION ADVICE
WARNING - BE AWARE THAT ERECTING ANY ANTENNA CLOSE TO OR NEARBY
ELECTRICAL POWER LINES CAN LEAD TO SERIOUS INJURY AND POSSIBLE
DEATH! BE VERY CAREFUL!
NO SWR/POWER METER OR ANTENNA ANALYZER? GET ONE OFF OUR WEBSITE!
DO NOT TRANSMIT UNLESS YOU CAN CONFIRM THAT THE ANTENNA IS
MATCHED TO YOUR TRANSMIT FREQUENCY!
1. Always make sure the installation area is free and clear of power lines.
2. If possible it is recommended to check the antenna’s tune prior to erecting on your tower/mast; this can be
achieved by ensuring the antenna is raised at least 2 meters above the ground free and clear of other mechanical
objects.
3. Always reduce or extend telescopic sections in equal amounts to find the perfect tune, the gamma match should
remain in its original position however if you move to a frequency that is 5 MHz higher or lower than the factory
tuned measurement then you need to follow the gamma match tuning instructions.
4. The SWR on the antenna can only be tuned in a free transmission zone, if you are broadcasting close to the
antenna this will have undesirable results and you will not be able to find the perfect tune, remember to turn off any
transmitters or find a suitable location that is not close to an antenna used for broadcasting.
5. After you have erected the antenna on your tower/mast and connected to your transmitter/amplifier begin to
operate at low power—check the SWR anything below 1:5:1 is acceptable, above 1:5:1 the antenna needs to be fine
tuned.
6. Once you are satisfied that the antenna is matched to your frequency begin to increase RF power slowly until you
have reached your pre-determined output, during these power cycles continue to monitor the SWR.
Chapter
2
