Al said: I'd rather have the display width.. Absolutely!
On Wed, Mar 16, 2011 at 2:14 PM, Al K0VM <[email protected]> wrote: > Ted, > Its not as simple as software... Its a system limitation.. > With the Zoom control set all the way to the left, the center of the > display (with SR off ) is where the DDS is actually tuned to. It is also > where the I&Q output frequency is zero hertz (DC). The digital IF is 9khz > above the DDS (0 hz ). > The maximum bandwidth of the panadapter is nearly equal to the DAC sample. > The only way to lock the red line in the center is to give up display > bandwidth. > > In the very early days of PowerSDR the panadapter display was less than > half of the DAC sample rate and the red line was near in the center. I'd > rather have the display width.. > > AL, K0VM > > > On 3/16/2011 12:00 PM, [email protected] wrote: > >> Date: Tue, 15 Mar 2011 17:12:55 -0400 >> From: Ted Trostle<[email protected]> >> To: "William H. Fite"<[email protected]> >> Cc: FlexRadio Reflector<[email protected]> >> Subject: Re: [Flexradio] Center Pan Control (Display) >> Message-ID: >> <[email protected]> >> Content-Type: text/plain; charset=ISO-8859-1 >> >> >> Well it just seems it is wrong not to have this option when it is all >> software defined. So I submitted a "Future Improvement Request" >> >> On Tue, Mar 15, 2011 at 4:51 PM, William H. Fite<[email protected]> >> wrote: >> >> > Tim's answer was the same one I got a few months ago when I asked that >>> > question. I just stopped letting it bother me. >>> > >>> > Bill >>> > >>> > >>> > >>> > >>> > On Tue, Mar 15, 2011 at 3:52 PM, Ted Trostle<[email protected]> >>> wrote: >>> > >>> >>>> >> Is there a way to lock the center vertical tuning (red line) to >>>> remain in >>>> >> the center of the display as you tune and or change the display >>>> width? I >>>> >> see >>>> >> clicking the center bitton it does light up but only momentarily. >>>> >> >>>> >> Flex 3000 running PSDR 2.0.20 RC2 >>>> >> >>>> >> Ted, WB2LOU >>>> >> >>>> >> -- >>>> >> You cannot change history, but you can make history! >>>> >> Education is the only legal cure for stupidity. >>>> >> _______________________________________________ >>>> >> FlexRadio Systems Mailing List >>>> >> [email protected] >>>> >> >>>> http://mail.flex-radio.biz/mailman/listinfo/flexradio_flex-radio.biz >>>> >> Archives:http://www.mail-archive.com/flexradio%40flex-radio.biz/ >>>> >> Knowledge Base:http://kc.flexradio.com/ Homepage: >>>> >> http://www.flexradio.com/ >>>> >> >>>> >>> > >>> > >>> >> > > _______________________________________________ > FlexRadio Systems Mailing List > [email protected] > http://mail.flex-radio.biz/mailman/listinfo/flexradio_flex-radio.biz > Archives: http://www.mail-archive.com/flexradio%40flex-radio.biz/ > Knowledge Base: http://kc.flexradio.com/ Homepage: > http://www.flexradio.com/ > _______________________________________________ FlexRadio Systems Mailing List [email protected] http://mail.flex-radio.biz/mailman/listinfo/flexradio_flex-radio.biz Archives: http://www.mail-archive.com/flexradio%40flex-radio.biz/ Knowledge Base: http://kc.flexradio.com/ Homepage: http://www.flexradio.com/
