Forum Discussion
wa8yxm
Jul 26, 2014Explorer III
All signals are Radio Frequency.. The exact frequency is defined by the broadcast channel.. It will be in one of three frequency bands
VHF-L
VHF-HI
UHF
The original Batwing antennas were downright good for VHF but suffered a bit at UHF,,,, The WINGMAN fixes this, It is a 30 dollar add on roughly. No tools (or a simple pair of pliers needed. 5 minutes tops.
The Sensar Pro indoor module (About 100) will improve things even more (it is, among other things all useful, a 2nd pre-amp)
However. NOTHING about this is specific to digital.. Diital or analog, Makes no difference to the antenna.
2nd page: What has changed
Well 3 things. one is they way the encode the signal.. in the old days it was analog, today its a digital scheme called ATSC
The next is the power: Many stations are now pumping a small fraction of what they used to pump, a 100,000 watt transmitter may well be putting out 25,000 today or even less.. Of course one of the advantages of digital is weak signal detection,, Way better.
Finally there is what I call the "Broadcast channel" In the old days. Channel was 3, and 7 was 7and 50 was 50
Today,,, Well in some places, that may still be true, in others, not so much. Take channel 7 for example
In S.C. where I often park, 7 is 7
IN the greater Detroit area.. 7 transmits on 41 (2 uses 7)
NOW: You do not need to know this.. WHY.. When you tell your TV to SCAN, it just naturally figures it out for you.. And thus the only time YOU need to know is if you are using the Sensar PRO to peak a station ( And your TV usually will tell you what channel is is listening to as well as the one displayed, it is under antenna pointing on the menu)
NOTE: Old NTSC Analog TVs will not work without a "Front End" digital adapter (Set Top Box) one of mine failed yesterday.. Thanfully I had a spare in stock, Picked it up Thursday.
VHF-L
VHF-HI
UHF
The original Batwing antennas were downright good for VHF but suffered a bit at UHF,,,, The WINGMAN fixes this, It is a 30 dollar add on roughly. No tools (or a simple pair of pliers needed. 5 minutes tops.
The Sensar Pro indoor module (About 100) will improve things even more (it is, among other things all useful, a 2nd pre-amp)
However. NOTHING about this is specific to digital.. Diital or analog, Makes no difference to the antenna.
2nd page: What has changed
Well 3 things. one is they way the encode the signal.. in the old days it was analog, today its a digital scheme called ATSC
The next is the power: Many stations are now pumping a small fraction of what they used to pump, a 100,000 watt transmitter may well be putting out 25,000 today or even less.. Of course one of the advantages of digital is weak signal detection,, Way better.
Finally there is what I call the "Broadcast channel" In the old days. Channel was 3, and 7 was 7and 50 was 50
Today,,, Well in some places, that may still be true, in others, not so much. Take channel 7 for example
In S.C. where I often park, 7 is 7
IN the greater Detroit area.. 7 transmits on 41 (2 uses 7)
NOW: You do not need to know this.. WHY.. When you tell your TV to SCAN, it just naturally figures it out for you.. And thus the only time YOU need to know is if you are using the Sensar PRO to peak a station ( And your TV usually will tell you what channel is is listening to as well as the one displayed, it is under antenna pointing on the menu)
NOTE: Old NTSC Analog TVs will not work without a "Front End" digital adapter (Set Top Box) one of mine failed yesterday.. Thanfully I had a spare in stock, Picked it up Thursday.
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