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[QUOTE=&quot;RF Steve, post: 143880, member: 18630&quot;]I think you are still confusing real channel numbers which are relative to the frequency a signal is being transmitted on with virtual channel numbers which have no relationship to the frequency a signal is being transmitted on. When selecting an antenna you need to look at real channel numbers as listed on your TV Fool report, or Rabbitears.info.It would be unusual for both TV Fool, and Rabbitears.info to be wrong. WPBF is listed as an ABC affiliate transmitting on real channel 16 which channel maps on your receiver to virtual channel 25.1 . WBWP is listed as transmitting on real channel 25 and should channel map on your receiver to virtual channel 57.1.<a href="http://www.rabbitears.info/market.php?request=print_station&amp;facility_id=56130">WBWP-LD WEST PALM BEACH, FL</a>Here is the RabbitEars.info report for your area click on the call sign to see what they are transmitting.<a href="http://www.rabbitears.info/search.php?request=zip_search&amp;zipcode=33411&amp;miles=60&amp;address=&amp;lat=&amp;lon=&amp;sorting=signal&amp;dbtype=dBm&amp;height">RabbitEars.Info</a>There is no easy way to calculate antenna gain the best tool we currently have is the free 4nec2 program, and the learning curve to use it is too steep for me. I actually have not yet tried to learn it.There are quite a few home built antenna designs to consider. I've not mentioned the Gray-Hoverman because I've never built one. Keep building and learning.The second 4 bay I built actually worked very good, but by relocating the antenna, and making a few other small improvements in the installation my little 2 bay has worked great. I sometimes have worked helping others in locations in this valley where a VHF antenna is a must, or places where the UHF low power signals in this area are not possible. Steve[/QUOTE]

[QUOTE="RF Steve, post: 143880, member: 18630"]I think you are still confusing real channel numbers which are relative to the frequency a signal is being transmitted on with virtual channel numbers which have no relationship to the frequency a signal is being transmitted on. When selecting an antenna you need to look at real channel numbers as listed on your TV Fool report, or Rabbitears.info. It would be unusual for both TV Fool, and Rabbitears.info to be wrong. WPBF is listed as an ABC affiliate transmitting on real channel 16 which channel maps on your receiver to virtual channel 25.1 . WBWP is listed as transmitting on real channel 25 and should channel map on your receiver to virtual channel 57.1. [url=http://www.rabbitears.info/market.php?request=print_station&facility_id=56130]WBWP-LD WEST PALM BEACH, FL[/url] Here is the RabbitEars.info report for your area click on the call sign to see what they are transmitting. [url=http://www.rabbitears.info/search.php?request=zip_search&zipcode=33411&miles=60&address=&lat=&lon=&sorting=signal&dbtype=dBm&height]RabbitEars.Info[/url] There is no easy way to calculate antenna gain the best tool we currently have is the free 4nec2 program, and the learning curve to use it is too steep for me. I actually have not yet tried to learn it. There are quite a few home built antenna designs to consider. I've not mentioned the Gray-Hoverman because I've never built one. Keep building and learning. The second 4 bay I built actually worked very good, but by relocating the antenna, and making a few other small improvements in the installation my little 2 bay has worked great. I sometimes have worked helping others in locations in this valley where a VHF antenna is a must, or places where the UHF low power signals in this area are not possible. Steve[/QUOTE]

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