I made a mistake: I see that block IIR satellites have simple helix. Now I'm trying to locate the PDF where I saw the QFH for use on GPS satellites but maybe only the first generation had the QFH.
On Sat, Jan 7, 2012 at 11:42 PM, Erno Peres <erniepe...@aol.com> wrote: > > Don, > > the LabMon sw running only under DOS system..!!!!! > > rgds Ernie > > > > > -----Original Message----- > From: Don Lewis <dlewis6...@austin.rr.com> > To: 'Discussion of precise time and frequency measurement' < > time-nuts@febo.com>; shalimr9 <shali...@gmail.com> > Sent: Sat, Jan 7, 2012 6:30 pm > Subject: Re: [time-nuts] Getting my Rockwell D200 GPS to work > > > Ernie: Do you have a link, pls, ...to LM49 that will work with WindowsXP? > > hanks, ...-Don > > ---------------------------------------------------------------------- > > ----Original Message----- > rom: time-nuts-boun...@febo.com [mailto:time-nuts-boun...@febo.com] On > ehalf Of Erno Peres > ent: Saturday, January 07, 2012 8:40 AM > o: shali...@gmail.com; time-nuts@febo.com > ubject: Re: [time-nuts] Getting my Rockwell D200 GPS to work > > i Don, > this type of receiver sometimes need a good 15-20 min to find their > place... > hey are not very sensitive... > lso if the receiver comes-up in NMEA mode then they probably used a spec > pplication and it > s much better to config the 20 pin connectors to Rockwell-binary > ode and use the " LabMon 49 " software until the receiver alive and then > ou can config back to NMEA mode..... > Rgds Ernie. > > > ----Original Message----- > rom: shalimr9 <shali...@gmail.com> > o: Time-Nuts <time-nuts@febo.com> > ent: Sat, Jan 7, 2012 3:21 pm > ubject: Re: [time-nuts] Getting my Rockwell D200 GPS to work > > test all my GPS receivers with a hockey puck type antenna attached to the > all > my hamshack, which is upstairs, but under the ceiling and the roof and I > ave > ver had one fail to lock within reasonable time. With this setup, > hunderbolts > casionally go on holdover, but never for very long. > f course, when I plug them in the external Symmetricom antenna, they > ypically > e more satellites and don't go into holdover. > am in Northwest Florida, so probably at a lower latitude than most of you, > o > e same setup farther north may not work as well. > idier KO4BB > ent from my BlackBerry Wireless thingy while I do other things... > ----Original Message----- > om: Azelio Boriani <azelio.bori...@screen.it> > nder: time-nuts-boun...@febo.com > te: Sat, 7 Jan 2012 02:00:21 > : Discussion of precise time and frequency measurement<time-nuts@febo.com> > ply-To: Discussion of precise time and frequency measurement > time-nuts@febo.com> > bject: Re: [time-nuts] Getting my Rockwell D200 GPS to work > bsolutely yes, the antenna must see the sky, not the ceiling. Even very > nsitive GPS receivers must have a good view of the sky for the first fix, > en you can bring the antenna indoor. You can try positioning the antenna > ry near a window for just a test but better a good view. The car roof is > ay but you must wait several minutes (12 minutes at most) to let the > ceiver download the almanac. > n Sat, Jan 7, 2012 at 1:54 AM, Don Lewis <dlewis6...@austin.rr.com> wrote: > Maybe I didn't take positioning seriously. > The antenna is currently on a shelf above my workbench, ....there is a > ceiling and an upstairs above it. Then the roof. > Is it very critical to be outside in order to 'see' the sky? > I did take it out once and set the antenna on my car roof, ....but still > no > satellites. > > -Don > > > ------------------------------------------------------------------------- > > -----Original Message----- > From: time-nuts-boun...@febo.com [mailto:time-nuts-boun...@febo.com] On > Behalf Of bownes > Sent: Friday, January 06, 2012 6:49 PM > To: Discussion of precise time and frequency measurement > Cc: Discussion of precise time and frequency measurement > Subject: Re: [time-nuts] Getting my Rockwell D200 GPS to work > Step one...is the antenna in a location where it can see they sky? > Sorry if it is a stupid question but you already said it was plugged in. > :) > > On Jan 6, 2012, at 19:24, "Don Lewis" <dlewis6...@austin.rr.com> wrote: > > Can someone please give me some pointers (my first time with a GPS > module). > > > > > > > > A little hand-holding, pls. > > > > > > > > I bought three of these Rockwell D200 GPS receivers. (It's little GPS PWB > > with an antenna connector and pins for connecting to the RS232- PC) > > > > > > > > All three 'appear' to work the same way (no apparent capture of > satellites). > > > > > > > > Here's what I have: > > > > > > > > 1. VisualGPS installed and running. > > 2. A small USB-RS232 card installed and appears to be operational. > > 3. Small GPS active antenna plugged in. > > 4. VisualGPS monitor just repeatedly displays: > > $GPGGA,,,,,,0,00,,,,,,,*66 > > 5. I think I understand this to be NMEA code to mean no satellites > have > > been acquired. > > 6. The Rockwell D200 draws ~180ma (5V) with no antenna and ~190ma with > > the small active antenna plugged in. > > > > > > > > What am I doing wrong? Other than maybe cheap china gps' and antenna??? > > But it is what I could afford and thought it would be cheap to learn on. > > > > > > > > Thanks for your help. > > > > > > > > -Don > > > > > > > > > > > > > > > > _______________________________________________ > > time-nuts mailing list -- time-nuts@febo.com > > To unsubscribe, go to > https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts > > and follow the instructions there. > _______________________________________________ > time-nuts mailing list -- time-nuts@febo.com > To unsubscribe, go to > https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts > and follow the instructions there. > > _______________________________________________ > time-nuts mailing list -- time-nuts@febo.com > To unsubscribe, go to > https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts > and follow the instructions there. > ______________________________________________ > me-nuts mailing list -- time-nuts@febo.com > unsubscribe, go to > https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts > d follow the instructions there. > _____________________________________________ > me-nuts mailing list -- time-nuts@febo.com > unsubscribe, go to > https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts > d follow the instructions there. > _______________________________________________ > ime-nuts mailing list -- time-nuts@febo.com > o unsubscribe, go to > ttps://www.febo.com/cgi-bin/mailman/listinfo/time-nuts > nd follow the instructions there. > > ______________________________________________ > ime-nuts mailing list -- time-nuts@febo.com > o unsubscribe, go to > https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts > nd follow the instructions there. > > _______________________________________________ > time-nuts mailing list -- time-nuts@febo.com > To unsubscribe, go to > https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts > and follow the instructions there. > _______________________________________________ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.