I was suggesting tricks I used for the austron and odetics. I do not have a manual on the rockwell. Thats what you would need the command set. Regards Paul.
On Sat, Jan 7, 2012 at 1:03 AM, Don Lewis <dlewis6...@austin.rr.com> wrote: > Thanks, Paul. > > How do you 'tell' them? > > -Don > > > > > > > > ---------------------------------------- > > -----Original Message----- > From: time-nuts-boun...@febo.com [mailto:time-nuts-boun...@febo.com] On > Behalf Of paul swed > Sent: Friday, January 06, 2012 8:56 PM > To: Discussion of precise time and frequency measurement > Subject: Re: [time-nuts] Getting my Rockwell D200 GPS to work > > Adding to all of the info indeed it does need to have a clear view. > Further say its been off along time and the battery is dead or never > existed it can take hours to acquire the first sat. Especially if date and > time have not been set. > I have recovered older GPS units by actually telling them what PRN to look > so they obtain the tables along with the date and time. > Yours may be far newer then my circa 1994-1998. Just some thoughts. > Regards > Paul > WB8TSL > > On Fri, Jan 6, 2012 at 8:40 PM, Don Lewis <dlewis6...@austin.rr.com> > wrote: > > > Thanks, Hal. > > > > Tomorrow, I will take it all outside again and leave it, ...I only left > it > > on the car for 5 minutes or so. > > > > My only other 'GPS' experience is my new Garmin for the car, ...it comes > up > > almost instantly. Maybe I should take it apart! :-) > > > > -Don > > > > > > > > > > ------------------------------------------------------- > > > > > > > > > > > > > > -----Original Message----- > > From: time-nuts-boun...@febo.com [mailto:time-nuts-boun...@febo.com] On > > Behalf Of Hal Murray > > Sent: Friday, January 06, 2012 7:29 PM > > To: Discussion of precise time and frequency measurement > > Subject: Re: [time-nuts] Getting my Rockwell D200 GPS to work > > > > > > dlewis6...@austin.rr.com said: > > > 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. > > > > How long did you leave it on your car? > > > > There are two problems in this area. > > > > One is being able to hear the satellites. There may not be enough signal > > at > > > > your workbench. It depends upon how sensitive your receiver is. Most of > > my > > > > newer GPS receivers work in my house. Older ones work less well. > > > > The other problem is what frequency to listen to. The satellites > broadcast > > the orbit parameters. That lets a receiver calculate the frequency to > > listen > > on. (The Doppler correction is important.) In order to do that, you > have > > to > > know the time. That's why there is a pin for the backup power to the > > clock. > > > > Without knowing the time, the receiver has to do a brute force search > which > > takes a while. > > > > I would put it in the best location you can easily get to and wait a > while. > > > > It may take 15 minutes or longer. I wouldn't get upset if it takes a > half > > hour. > > > > Once you get it working outside, you can take it inside and see if it > still > > works. > > > > If you unplug it without the backup battery you will have to start over > > again. > > > > You can also just let it run overnight and see if that works. > > > > > > -- > > These are my opinions, not necessarily my employer's. I hate spam. > > > > > > > > > > _______________________________________________ > > 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. > > > _______________________________________________ > 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.
