Originally Posted by PExeter
So do I need a UNI directional antenna?What is that 315 degree spec? How do I use that?
Zero degrees is north, 90 degrees is east, 180 degrees is south, 270 degrees is west, and 360 degrees is north again. So 315 degrees is halfway between west and north, that is, northwest.
You can look up detailed information about the stations that you want to receive, via the FCC TV station database
. Select the "TV Query" type output for the most information, including maps showig the approximate areas that the stations should be covering (the "service contour maps").
As of the beginning of July, both KECY (FOX) and KYMA (NBC) should be broadcasting at full power, which is over 900 kW for both of them. Yuma is well within the service contour for both. Frankly, I think the 4228/7777 combination is probably overkill. The UHF part of a directional UHF/VHF combo from Radio Shack would probably work fine. Both stations are in the same direction, so you don't need a rotator.
i suspect that Antennaweb's data is out of date, and they're using the old lower-power figures for those stations.
I was going to sugggest looking in the "HDTV Local Info and Reception" forum here for a thread about your area, but there doesn't seem to be one for Yuma / El Centro.