HD antenna signal strength

dtyegian

Distinguished
Dec 7, 2009
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Hi there,

I wanted input on my HDTV antenna and how to increase the strength during rainy weather. I'm running a 36"x40" antenna on my roof (8 bow-ties) with direct line-of-sight to the transmitting tower in SF (~14.7 miles away using AntennaWeb.org). Antennaweb calls for a yellow UHF and all the channels I want lie at a compass reading of 223 - 241 degrees. I use old twin lead cable from the antenna (wing nut connection) over the roof/gutter/wall and through the wall where I have an old 75-300 ohm balun which plugs a male coax press-on into the receiver (DTV PAL).

Most of my signals run 70-80 using the built in signal reader during good weather but drop into the 50s during rain (and thus I lose the signal completely).

Thoughts on how I can improve this? Does signal strength seem low with such a large antenna/short distance/line-of-sight? Thanks for any help in advance.

DTY
 
Old twin lead cable is lossy so replace it with RG6 coaxial cable. The press on type F connectors are also very iffy. The new coax should have screw on F connector and not balun required. If this is not enough you will need a signal amplifier to boost it. One that mounts at the antenna is best.