[BC] Re: Split level combine and the loss of the analog-only transmitter

[Xmitters@aol.com]

I'm wondering about the FCC and theoretically allowed operating conditions 
during emergency operation of a Harris split-level combined transmitter system.
 
Say your analog-only was about 13 kW and the analog power from the analog + HD 
transmitter was another  4 kW or so, and the HD power was about 170 watts. 
Yes, I know these numbers are not exact but let's use them for the sake of this
 
question. 

If I lose my analog-only transmitter and the Analog + HD transmitter 
survives, Is the FCC going to let me run the allowed HD power as dictated by my
 
full-power RF mask, or are they going to want me to reduce the HD power to the 
appropriate level consistent with the amount of analog power I'm putting out at
 the 
time?

Second question: What would happen at the analog and digital receiver 
locations with regard to reception, when I lose the 13 kW analog-only transmitt
er and 
the  analog + HD (4 kW analog 170 Watts HD) transmitter remains on the air? 
(we will ignore the losses in the HD/Analog RF combiner for the sake of 
simplicity)


Thanks, 


Jeff Glass
Northern Illinois University

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