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Old 3-Mar-2015, 1:11 AM   #4
GroundUrMast
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Join Date: Oct 2010
Location: Greater Seattle Area
Posts: 4,773
Thanks for the TVFR image... The signal levels shown actually indicate that the CM-7777 is an appropriate choice in your situation. If the signal levels were stronger, I'd be less inclined toward the CM-7777.

If your antenna is in the attic and you're still getting reliable reception, you're doing remarkable well. I'd expect to get better results mounting outdoors, clear of obstructions. The preamp will provide best results if mounted near the antenna, using no more than a few feet of coax to make the connection. So, If your antenna is outside and the preamp is in the attic, you're likely loosing some performance.
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If the well is dry and you don't see rain on the horizon, you'll need to dig the hole deeper. (If the antenna can't get the job done, an amp won't fix it.)

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