Our large Yagi antenna gets a “weak signal” or “no program” on our digital converter box
Rod P. recently posted a question:
We have fringe analog reception between Tucson & Phoenix, using a huge yagi on the roof. (70 mi to Phx, 28 mi. to Tucson Mt.Lemmon). Reception is fine. With converter box, I get nothing but “weak signal” or “no program”. Are stations NOT yet transmitting digitally, or is our fringe distance hopeless. Nowhere can I find whether digital broadcasting spectrum is higher or lower than UHF channel frequencies. Thanks
Just about all television stations are broadcasting both digital and analog television signals, so you should be receiving digital programs on your converter box.
Yagi Antenna
What is a Yagi antenna?
According to Answers.com:
“A Yagi is an antenna in which the gain of a single dipole element is enhanced by placing a reflector element behind the dipole (the driver) and one or more director elements in front of it.”
Technical jargon aside, I think the problem lies with your reception of broadcast signals. Are you able to adjust the direction of the antenna? If possible (and be safe!) have one person go up on the roof top and make small directional adjustments to the antenna while another person stands next to the TV watching for changes in reception.
Generally speaking, Large Yagi antennas are more geared towards directional “narrowband” reception of television signals. This is especially troublesome for digital television reception.
One other suggestion would be to try a smaller antenna. Some folks have had great success with replacing their large outdoor antenna’s with a smaller indoor Yagi type which will actually receive a wider band of television signals.
Whatever you decide to do, this is another case where trial and error will probably net you the greatest results. Good luck and keep us posted!
Jay
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