Read the FAQ. The K4HD is a K4D with a superheat front end with roofing filters added in front of the ADCs. Like adding a K3 in front of the SDR.
Sent from my iPhone ...nr4c. bill > On Oct 31, 2019, at 6:12 PM, Tox <[email protected]> wrote: > > K4hd (is a k4(d?) With additional filters) > >> On Thu, Oct 31, 2019, 2:52 PM eric norris via Elecraft < >> [email protected]> wrote: >> >> Can somebody tell me which of the K4 models will produce better blocking >> of extremely strong (S9+20 to S9+40) nearby in frequency signals than a >> K3S? Is this blocking gain compression? I'm trying to plan a future >> station upgrade and I have ham neighbors. >> 73. Eric WD6DBM >> >> Sent from Yahoo Mail on Android >> ______________________________________________________________ >> 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]
