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I am curious about WWMT , Real VHF high band channel 8.1-2 , (virt) virtual number (3.1-2) , CBS and CW.
Real Digital Channel 8.1 , CBS.
and
Real Digital Sub Channel 8.2 , CW.
http://en.wikipedia.org/wiki/WWMT.
How is reception stability , the signal strength is Weak at 11.4 NM(dB) , 2 Edge Path Obstructions=hills/mountains , and 52.9 miles distant.
Most Digital Tv's have a Signal Strength Meter and some Digital Tv's also have a Signal Quality Meter.
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Here is the main reason for Real Channels and virtual numbers.
Before the change to Digital Transmission and Reception.
As a example , WWMT transmitted on Analog VHF low band channel 3 , CBS.
For many years channel 3 was WWMT , CBS.
So the 3 became a -->Channel Brand of the Tv Station.
And the 3 is now a , virtual number
because
When the Tv Station changed to Digital Transmission the Tv Station is now transmitting on VHF high band channel 8.
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(Digital Transmission and Reception , more then one Tv channel can be transmitted and received.)
( The Analog transmission and reception , one channel is transmitted and received.)
Tv antennas receive Real channels , be them Digital or Analog.
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If you are not confused yet , then is should push you over the edge.
Virtual numbers are not real channels even if the virtual number is same as the Real Channel.