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Old 10-Jun-2015, 8:20 PM   #2
stvcmty
Senior Member
 
Join Date: Mar 2013
Posts: 135
VHF low is similar to FM, they are next to each other.

Antenna craft and Winegard both made FM antennas, and there is an independent site that has modeled the FM antennas. http://www.ham-radio.com/k6sti/curves.htm

If you take the gain for the FM antennas from the manufacturer and compare it to the gain modeled by an independent party, that will give an idea of how the manufacturer estimates gain compared to the real world.
Then apply that correction to the VHF low gain for the 1850 vs 8200.

I did all that at one point and there was less than a 1dB difference between the 8200 and the 1850. Just from antenna design the 1850 should have better gain from being slightly longer.

All that being said, based on Winegard’s specs, the HD7084P is better for VHF-low and the HD8200U is better for VHF high.

In my experience, the Winegard antennas seem better made than the antenna craft antennas.
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