The K4 should work at 40-41 MHz without modification, though I wouldn't guarantee specs without performance testing.
73, Wayne N6KR > On Jun 27, 2019, at 2:52 PM, Ed K1EP <k1ep.l...@gmail.com> wrote: > > Maybe for RX. For TX, you have to consider spurs, harmonics, filters and > other technicalities. So, it is not trivial. > > On Thu, Jun 27, 2019, 17:36 Dennis Moore <den...@mail4life.net> wrote: > >> SDR, should just be a modification to the firmware. >> >> Dennis NJ6G >> >> On 6/27/2019 13:44, David Gilbert wrote: >>> A friend just advised me of a new FCC Petition for Rule Making that >>> requests the creation of a new amateur band for 8m somewhere between >>> 40 and 41 MHz. >>> >>> https://ecfsapi.fcc.gov/file/105260090923685/8%20meter%20PRM.pdf >>> >>> I doubt it gets any traction, but it makes me curious if any mods >>> (software or hardware) would be practical to allow the K3 or K3s or K4 >>> to cover that range. I suspect the upper low pass band filter would >>> preclude that possibility. >>> >>> 73, >>> Dave AB7E ______________________________________________________________ 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 Message delivered to arch...@mail-archive.com