Ian Jackson wrote:
Of course, the 1MW is erp, and as the
transmitting antenna gains can be considerable, the transmitter won't be
putting out 1MW. But again, you've got combiner losses and feeder losses
......

The transmitters feeding the old analog 1MW ERP system were running
40kW output per vision carrier. So antenna gain minus feedline and
combiner losses was 14dB. The feedline was about 300m.
Not RG6, of course :-)