There's nothing wrong with the 102" antenna. But even this antenna may have an efficiency rating of around 70% on 11 meters when properly mounted. This is due to radiation resistance (electrical length not physical) of the antenna. I know that there's a lot of guys who have had to add a 4 or 5 inch heavy duty spring to get the swr reading they were after. I assume the reason for that was due to a lack of ground plane problem, like antenna mounted on rear bumper. Location location location seems to apply to 1/4 wave mobile antennas as well as real estate.
I need some help - Antenna Warning on SWR Check
Discussion in 'CB Radio Forum' started by HD_Renegade, Jun 15, 2011.
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