[RFI] TV Converter Boxes & RFI

kd4e doc at kd4e.com
Sat Apr 19 17:35:53 EDT 2008


Since they just ran a Bright House cable next door in our
*very* rural neighbohood (10 acre lots) to a pole that is
about 120 feet from the house should we anticipate a rise
in RFI?

If I we to allow them to run the cable to our house would
that increase RFI?

> First a comment.. This subject DOES impact ham radio, for in a larger
> city with multiple Digital TV stations, which are normally "megawatt"
> stations, the noise floor for VHF repeater inputs rises accordingly,
> for digital pulses are full of spectrum noise!
> 
> In Portland, Oregon with channels 2, 6, 8, 10, and 12, and not all 
> converted yet, it rose 20db! This translates out to a factor of some 
> 120 times the origional noise!!
> 
> Dick, CET (I'm licensed TV tech!!)


-- 

Thanks! & 73, doc, KD4E
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