>From my experience with other SDR radios, the individual receivers in the K4D >won't give it a sensitivity advantage unless they are used in diversity mode. >In that case the K4D will have a clear advantage.
ED / W2RF -----Original Message----- From: [email protected] <[email protected]> On Behalf Of Joe Subich, W4TV Sent: Monday, October 12, 2020 8:50 PM To: [email protected] Subject: Re: [Elecraft] sensitvity k4 On 2020-10-12 8:22 PM, Don Wilhelm wrote: > In general, the local noise will mask anything lower than -135dBm. That may be true for the lower HF bands. However, on 6 meters or when using the K4 as an IF for VHF transverters and/or EME the noise level will be as much as 20 dB less than -135 dBm. That may even be true with directional antennas above 20 MHz at suburban locations. 73, ... Joe, W4TV On 2020-10-12 8:22 PM, Don Wilhelm wrote: > Richard, > > I don't know the answer, but when you get receiver sensitivities > better the -135dBm, the exact sensitivity numbers do not mean much > unless you have an extremely quiet location. > In general, the local noise will mask anything lower than -135dBm. > I expect all K4s models to have better then -135dBm sensitivity. > > 73, > Don W3FPR > > On 10/12/2020 7:52 PM, Richard Donner wrote: >> Anyone have an idea which version of the k4 would have the most >> sensitivity for weak signals? >> Thanks Richard > ______________________________________________________________ > Elecraft mailing list > Home: http://mailman.qth.net/mailman/listinfo/elecraft > Help: http://mailman.qth.net/mmfaq.htm > Post: mailto:[email protected] > > This list hosted by: http://www.qsl.net Please help support this email > list: http://www.qsl.net/donate.html Message delivered to > [email protected] ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:[email protected] This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to [email protected] ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:[email protected] This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to [email protected]
