Originally Posted by retiredengineer
Your TVFool results show a majority of your signals are very very weak becuz they are blocked by a mountain. I don't know how you can received those signals with an ANT751 but apparently you do. You must be just on the reception threshold. Having said that, any varying atmospheric conditions can mess up your reception by causing fluctuating signal strengths. Other posters have said using the HD7698P with a RCA TVPRAMP1R will give you much better results. It might be a good idea to get a returnable antenna if reception is still flaky.
BTW why did you use 100 feet for your antenna height? Were you getting poorer results at 25 feet?
I have the antenna mounted on my second story roof, so actually it's about 50 feet.
I swapped the TVPRAMP1R for a CM7777 because the CM has better signal strength.
I still have the RCA preamp though because I'd like to try it with the Eagle Aspen DTV2BUHF and a Channel Plus 2532 Splitter/Combiner to see if I can use both antennas with one coax output to my distribution amp.
Yes, I was shocked that I was able to pick up so many of the LA stations with such a small yagi antenna.
I'm not sure why but KDOC is at Max ERP 1000kW and KCBS is at Max ERP 432kW and both are 33 miles at 279 degrees and both are UHF, yet I get KCBS crystal clear with no drop outs at all.
I was forced to get an outdoor antenna when TWC cut off our local stations feed to force us to rent their STBs, so I'm new to the whole OTA digital broadcast and I'm still learning it all and I love it!
I now use the OTA antenna and TWC for internet with Netflix and Hulu and a Roku box for all streaming content.
Thanks again for your expertise.