I have tried numerous short antennas on 3 different trucks over the years. Everyone from 5" to 16" and ALL had poor reception and returned quickly. To date (approx. 3 weeks) the same reception has been maintained without any loss of quality/sound. Summer in Virginia hasn't seen a hot summer yet, so I can't talk about the "curve". In summary, I would definitely go with this line if you need a lower profile unit and/or don't want the garage roof to be cut.
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