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4DTV for Ku
Posted 22 May 2003 - 07:44 PM
When I first installed a 4DTV several years ago, there were several "predefined" Ku satellites, as well as at least four assignable C-band designations and four assignable Ku band ones (CA-CD and KA-KD).
A year or so ago, there were just four predefined satellites and no assignable ones. That was a big problem for the sportsbar I was installing those receivers in.
Today, I just installed a 4DTV receiver with 24 C-band defined satellites, and just one Ku band: SBS-6
And it gets worse. SBS 6 only has 19 transponders on it even though there is room for 32, 30Mz-wide transponders in that slot. The predefiined SBS-6 satelite recognizes only 19 transponders, but they aren't the exact same ones that SBS-6 uses. SBS 6 doesn't use the 19 lowest frequency transponders, but as far as I can tell, 4DTV tunes the 19 lowest, so I can't even manually tune anything above transponder 12 because the manual fine tuning only allows me to tune the natural transponder 19 up anouther 20Mz
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Posted 22 May 2003 - 08:35 PM
Posted 24 May 2003 - 08:44 PM
I connected a splitter to my Ku feed, and selected each of the nineteen available transponder numbers on the 4DTV receiver and then "fine tuned" the frequency from +20 Mz to -20 Mz on each and noted what I found for programming, and then I swept through the intermediate frequency band (950 Mz - 1,450 Mz) using a commercial Pico 3200 and found a few higher frequency transponders that the 4DTV could not reach.