W8BI ATV REPEATER TECHNICAL DATA SUMMARY

Location:                    Approximately 10 NM South of downtown Dayton
Coordinates:              39 degrees 37.209 minutes (latitude) 84 degrees 14.218 minutes  (longitude)  
Elevation:                   995 feet above sea level, 165 foot tower.  Total height MSL is approx 1150 feet
 
Transmitters:              421.25 MHz AM modulation, horizontal polarization
                                 1258 MHz FM modulation, horizontal polarization
                                  
                                 (Interdigital filters in output line of 421.25)
 
Output Power -         421.25 MHz: 40 watts average 80 watts sync tip
                                 1258 MHz:   20 watts continuous
 
Transmit antennas:     421.25 MHz - Dual slot horizontally polarized 7 dBd gain major lobe north-north-west
                                 1258 MHz -   Dual slot horizontally polarized 7 dBd gain major lobe north-north-west
                                
Receivers:                  144.34 MHz for F1 audio input control of touch tones
                                  910 MHz for F5 video link data from remote sites
                                  1258 MHz for F5 video input
 
Receive antennas:       144.34 MHz - Vert. polar. Hi Gain 12 dBd dual band
                                  439.25 MHz - Horiz. polar. rib-cage antenna, omnidirectional
                                  910 MHz - 18 dBd directional loop yagi aimed 060 degrees towards link site in South Vienna
                                  1258 MHz -   Dual slot horizontally polarized 7 dBd gain major lobe north-north-west