Broadcast television engineering related tech topics, rants and outright pontifications.
Since a new tower had been erected in 1997 with HDTV in mind, it already featured a broadband RFS panel antenna used to broadcast the analog channel 29 and was capable of accommodating the future DTV channel on UHF 15. The trick after expanding the building and installing the HDTV transmitter was to combine the [...]
For this facility (KHOG) the gain of the antenna was considerable so that only about 10kW TPO would be needed to meet the maximized ERP level, so the choice of a solid-state Diamond transmitter from Harris was made. The benefits of this choice were that the multiple modules and power supplies allowed for considerable redundancy [...]