Bob exactly good for the am and sort of a front end but completely stops being useful at that point. But still getting from 10 uv to a 1/2V thats not all bad for a drop of glue. Paul
On Thu, Nov 1, 2012 at 1:31 PM, Bob Camp <[email protected]> wrote: > Hi > > Based on a quick look - the CME8000 isn't going to be much of a help with > the new modulation. It will do ok with the old AM format. > > Bob > > -----Original Message----- > From: [email protected] [mailto:[email protected]] On > Behalf Of Mike Harpe > Sent: Thursday, November 01, 2012 1:14 PM > To: Discussion of precise time and frequency measurement > Subject: Re: [time-nuts] New to list > > Hi! > > At this point I'm mostly just trying to learn about the new signal. I > play around with microcontrollers and have always wanted to build a > WWVB clock. I spent a good amount of time with the CME-8000 board > before getting frustrated with it and putting it aside for awhile. I > found out about the BPSK experiment when I was looking around for help > with the CME-8000 and I figured that would be the way to go now. > > Mike Harpe > > On Thu, Nov 1, 2012 at 1:08 PM, paul swed <[email protected]> wrote: > > Mike > > Welcome to the list. There have been numbers of tests since March. > > Ultimately a more detailed specification was released thats been helpful > in > > understanding the new modulation. > > In various threads I have mentioned what I have been doing. At the moment > > modifying a spectracom 8163 seems to be a way to allow other rcvrs to > work. > > Not at all optimum or even close. But at least seems to have worked. > > I am semi familiar with the chips and they are a complete rcvr. But > really > > do not allow direct access to the signals easily. Either you grab it past > > the 60Khz crystal or at the output of the diode detector by removing the > > LPF cap. Then you have to amplify detect and feed that back for AGC. > > Something that can be done. I have not had time. > > So a question for you is what are you attempting to do? > > Regards > > Paul > > WB8TSL > > > > On Thu, Nov 1, 2012 at 12:43 PM, Mike Harpe <[email protected]> wrote: > > > >> Sorry if this is an FAQ... > >> > >> Has anything else happened with the WWVB BPSK change since the test in > >> March? > >> > >> Also, I would love to correspond with anyone who has worked with the > >> C-MAX CME-8000 boards. > >> > >> Thanks! I'm looking forward to participating. > >> > >> Mike Harpe, N4PLE > >> Sellersburg, IN USA > >> > >> _______________________________________________ > >> time-nuts mailing list -- [email protected] > >> To unsubscribe, go to > >> https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts > >> and follow the instructions there. > >> > > _______________________________________________ > > time-nuts mailing list -- [email protected] > > To unsubscribe, go to > https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts > > and follow the instructions there. > > _______________________________________________ > time-nuts mailing list -- [email protected] > To unsubscribe, go to > https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts > and follow the instructions there. > > > > _______________________________________________ > time-nuts mailing list -- [email protected] > To unsubscribe, go to > https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts > and follow the instructions there. > _______________________________________________ time-nuts mailing list -- [email protected] To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.
