I think inserting a HLSJ (high and common ports) between the antenna and the input of the amp is a good idea, but that one is discontinued. Try this one:
http://www.solidsignal.com/pview.asp?p=zhlsj
You DO have some strong FM signals that might interfere with the reception of KELO CBS and KSFY ABC. I did this FM signal report based on an estimate of your location from your tvfool report which was only resolved to block level:
http://www.fmfool.com/modeling/tmp/5...e/Radar-FM.png
You can do a more accurate FM report here:
http://www.fmfool.com/index.php?opti...pper&Itemid=29
I see a lot of trees in your area; trees block TV signals. Do you have any trees or other buildings in the signal path from 164 degrees magnetic?
http://www.hdtvprimer.com/antennas/siting.html
Scroll down to Trees and UHF
Grounding the coax with a grounding block will reduce the chance of interference.
If the antenna is outside, the coax shield should be grounded with a grounding block that is connected to the house electrical system ground with 10 gauge copper wire for electrical safety and to reject interference. For further compliance with the electrical code (NEC), the mast should also be grounded in a similar manner to drain any buildup of static charge which will tend to discourage a strike, but the system will not survive a direct strike.
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I am wondering if an antenna amplifier on the antenna itself will help me out??
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Maybe, but it might be overloaded by K50DG. And you certainly don't need a preamp AND the GE 24 dB amp. Try the HLSJ as an FM filter first.
Your two problem channels are on VHF-High, (real channels 7-13) but your GE antenna doesn't have much gain on that band.
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The antenna indicates 70 mile reception area on the box.
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We don't take mileage figures for antennas seriously, they are just marketing terms. We go by the signal strength on the report. What good is a 70-mile antenna if you have a hill 5 miles away in the path of the signal?