The math isn't that hard. 200W (53.01 dBm) is about 7.6 dB over 35W (45.44 dBm), so the RX would have to be about 7.6 dB better than 0.15 uV (-123.5 dBm), or about -131 dBm which is 0.06 uV.
The antenna gains and losses cancel each other out since they apply to both TX and RX. Joe M. Nate Duehr wrote: > Kevin Custer wrote: > >> BTW: I have one of the stations that Fred mentioned at one of my >> sites. It belongs to Jeff DePolo. >> It will run 200+ watts all day and night, and with a good MASTR II >> receiver (hand selected) with a Chip Angle preamp, it takes all of the >> 200 watts to keep up with it. It is matched pretty well with a modern >> 35 watt mobile. > > Now THAT I'd like to see the math on. Just how high does receiver > sensitivity have to get to "balance" with a typical say, oh... .15uV > "modern" UHF mobile and it sending out 35W... what would the "perfect" > numbers be. > > Someone who enjoys the math more than I do maybe will feel bored enough > to calculate it. I guess you'd need the antenna gain numbers also. > What are you running on that system, Kevin? > > Nate WY0X
