Definitely. Wayne
> On Jun 6, 2019, at 2:59 PM, Doug Turnbull <[email protected]> wrote: > > Would switching out the superhet front end allow a wider bandwidth for FT8 > in the event that narrower filters are used in the front end. > 73 Doug EI2CN > > -----Original Message----- > From: [email protected] > [mailto:[email protected]] On Behalf Of Wayne Burdick > Sent: 06 June 2019 21:54 > To: [email protected] > Cc: Elecraft Reflector > Subject: Re: [Elecraft] K4 Questions > > >> On Jun 6, 2019, at 2:28 PM, <[email protected]> <[email protected]> > wrote: >> >> 1. I understand that the K4HD will have a selectable feature that would >> allow it to use either the direct sampling or the superhet front end. If > I >> had a K4HD, why would I ever want to switch from the better superhet front >> end to SDR - assuming I already own all the filters? > > a) Direct-sampling passband is flatter than the flattest crystal filter, > with no ripple or group delay issues. Better sound on SSB, ESSB, AM, and FM, > and possibly lower error rate in some digital modes, DV, etc. > > b) Direct sampling provides a wider bandwidth looking into the DSP, > allowing for some advanced noise reduction capabilities including new NR, > frequency-offset noise cancellation, etc. These features will be evolving > over time. > > c) Turning off the superhet module will allow RX/TX operation near and at > the IF (8.215 MHz). > > d) Current drain will be lower with the HDR module turned off. > > > >> 2. Will there be a "K4 mini"? I know I could operate remotely from a >> PC, etc. but would prefer the "real radio" feel with knobs, a plug in >> paddle, etc. and having the panadapter screen in the mini would be a plus? >> I use a K3 mini now but not with a P3. > > Maybe. Someday. But I can't say for certain. Another possibility is a > "K4/0", i.e. a K4 with only a front panel and host interface module, but in > the same size chassis as a K4. Any K4, including a K4/0 or -mini, will be > able to control another one. > > > >> 3. My primary station is built as a remote station in FL in partnership >> with Paul-W9AC. We use Verizon 4G LTE for internet and are limited to 30 > GB >> of data per month (without upcharge). How data intensive is the K4 with > the >> panadapter in remote operation versus the K3S -- assuming it would be >> controlled with a K4 mini or another K4 to get the panadapter feature?? > > No data on this yet. But you should be able to turn off the panadapter > stream if/when you don't need it. Good idea. > > 73, > Wayne > N6KR > > > ______________________________________________________________ > 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]
