Originally Posted by Alaska Life
ok so I went out and re mounted my antenna on a 5 foot pole so now its about 20ft high, now it's straight and level, pointed back to 224 degrees and channels 11-1 and 4-1 both show 0% signal,
Thank you for making the test with the remounted antenna. A 0% signal is not good news; I had hoped there would be at least a little signal.
What are you using to receive and measure your signals?
you had mentioned a preamp, can you recommend one that would work with this antenna or let me know what I would be looking for in a preamp? Hopefully super powerful!
I can understand your desire to have a powerful (high gain) preamp, but solving your reception problem isn't going to be easy because there are two sources of strong signals that might overload a preamp and/or a tuner, making it difficult to receive the much weaker CBS and Fox. Maybe that's why silvershark, who started this thread, had a difficult time.
So, you must be prepared to do some experiments to find out what will make it possible to receive CBS and Fox. I can make some suggestions of what to try, but I can't make a guarantee that my advice will work because I'm way down here in Virginia, and I don't know what your location looks like.
The first source of possible overload is from KDMD and KLDY that are only 3.9 miles away at 178 degrees. When your antenna is aimed at 225 degrees for CBS and Fox, KDMD and KLDY will still be quite strong because your antenna has a very wide beamwidth. It might be necessary to switch to an antenna with a much narrower beamwidth so that when it is aimed at CBS and Fox, they will be stronger but KDMD and KLDY will be much weaker by comparison.
The second source of possible overload is from some strong FM transmitters also from 178 degrees. If they are going to cause interference, it would first be to your VHF-High signals in yellow on your report like NBC and ABC. Sometimes FM signals can be strong enough to cause difficult reception of UHF signals. It is possible to add an FM filter before a preamp and some preamps have an FM filter but it usually isn't as effective a separate FM filter.
The two preamps I have in mind are the Antennas Direct Juice and the Channel Master 7778V3. The Juice is very resistant to overload; it has an LTE filter but no FM filter. The 7778V3 is a little less resistant to overload, but has an FM filter.
The more directional UHF antennas I have in mind for CBS and Fox are the Antennas Direct 91XG and the Solid Signal HDB91X. You could use a UVSJ to combine the UHF antenna with the 2MAX which would then be for VHF only.
If there are trees in the signal path, overload might not be a problem. Maybe you could show us a photo of what the antenna "sees" when it is aimed at 225.
A satellite photo taken in winter shows a lot of bare trees. An old ground photo shows trees thick enough to block TV signals.