Archive for September, 2002

01
Sep

KHOG RF Combiner

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 output of the two transmitters into the common antenna. This may be very common in the top 10 markets, but it is not something common in this market, so we called in people smarter than me to help make it happen.
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01
Sep

HDTV Transmitter Installation

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 and fault-tolerance.
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