Thread: 12 volt TV
View Single Post
Old 09-20-2014, 07:33 PM   #10
Mr. Ham
Member
 
Join Date: Aug 2014
Posts: 95
Default

Fox - was one of the last players to get into the game when television was analog, so many of the Fox stations were already in the UHF range of channels.
When the broadcasters wanted the UHF, they had to buy those channels and trade channels with Fox - in order to get permission to move their signal into the UHF.

As an example - WPSU migrated to channel 15 and started out broadcasting with 1 million watts of transmit power. They were later told that they were only allowed to use 865,000 watts and when the transmitter was broken in - they reduced their signal even further - down to 835,000 watts!

The difference in range between 1 million watts and 835,000 watts was about 3 miles loss of coverage!
This is what makes me giggle when I hear those CB'rs on the HF that thinks that they are going to set the world on fire with a 1500 watt amplifier!

Noise is Inverse the Square of the Frequency.
The lower in frequency you go, the more noise you experience.

Channel 8 - WWCP - did not change channels when they converted to digital.

Channel 11 in Pittsburgh traded frequencies with another signal - The CW and they migrated to channel 21 after the conversion, while the CW moved to channel 27 and 11.. KDKA to channel 25, WJAC to channel 34, WTAJ to channel 32...

WWCP transmits on channel 8 with a ERP of about 9.300 KW ...
You can pick it up easily anywhere within its 65 mile contour range as long as you have a decent location and a decent VHF antenna and coax.

WTAE in Pittsburgh is on the frequency for channel 51 - and has a ERP of 1000.00 KW

How much of a difference do you think there is in the electric bill between the transmitter for WWCP VS WTAE?
Mr. Ham is offline   Reply With Quote