Quite true on HF. 3dB often matters doing weak signal work on 6 meters and up, and sometimes on 10 meters, but on HF there are too many other variables, QSB, etc.
Back in the 30's and 40's the "Radio Engineering" texts used to list 6 dB as the minimum change one might expect to detect by ear on HF due to all the propagation variations. (Back then, 10 meters was a UHF band.) I always thought that was why Collins settled on 6dB for one S-unit on their receiver S-meters. 73, Ron AC7AC -----Original Message----- I think there is a lot of evidence that 3dB does not matter. 10dB matters. 6dB might matter. wunder Walter Underwood K6WRU CM87wj ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
