In LH what is your setting for AMU and elevation, they could inadvertently be set so high you are not seeing any satellites (depending where you live). I have to set the elevation down to 15 degrees and a AMU of 3.0
-=Bryan=- > Date: Fri, 7 Aug 2015 13:14:17 -0700 > From: [email protected] > To: [email protected] > CC: [email protected] > Subject: Re: [time-nuts] A few questions about Tboltmon > > Hi Everyone, > > > > > When I got home last night from work, my thunderbolt was plugging along, > tracking about 5 satellites. The ppb error was a few hundred though. > > So in Tboltmon I did a factory reset and everything changed to question > marks. All the critical alarms came up green and self survey went to 1% but > after a few hours the unit wasn't receiving any satellites and still at 1%. > > So I loaded Lady Heather onto the old 1997 vintage laptop that controls the > Thunderbolt. I figured out how to get to the command menu in LH using the > space at, then typed ! Then H for a hard reset. I left the unit running Lady > Heather all night and at 4:45 AM it still hadn't acquired any satellites. > > I'm busy until Sunday afternoon but when I get back to it I will see if there > is a menu setting in LH where after doing a hard reset I need to re-enable > the receiver. I'm getting serial comms just fine. > > I'll let you guys know what I find. Thanks again. > > > > > Chris > > KD4PBJ > > > > — > Sent from Mailbox > > On Thu, Aug 6, 2015 at 11:14 PM, Bryan _ <[email protected]> wrote: > > > Chris: > > If you did a cold reset I *think* it should have already done that, you > > would have known because it would have said conducting survey or something > > like that as opposed to "Overdetermined clock". To be safe and force it,use > > the following keystrokes in LH > > S and then P > > -=Bryan=- > >> Date: Thu, 6 Aug 2015 04:58:39 -0700 > >> From: [email protected] > >> To: [email protected] > >> Subject: Re: [time-nuts] A few questions about Tboltmon > >> > >> Hi Bryan, > >> > >> > >> > >> > >> I didn't do that. Is this something accessible under one of the tabs? > >> > >> > >> > >> > >> Chris > >> > >> > >> > >> — > >> Sent from Mailbox > >> > >> On Thu, Aug 6, 2015 at 5:21 AM, Bryan _ <[email protected]> wrote: > >> > >> > Did you do 48 hour precision first survey first to get an accurate > >> > Lat/Long/ altitude?. You will probably need to start with a cold reset > >> > to erase any previously stored data and then perform the survey. > >> > -=Bryan=- > >> >> Date: Wed, 5 Aug 2015 19:16:23 -0700 > >> >> From: [email protected] > >> >> To: [email protected] > >> >> Subject: [time-nuts] A few questions about Tboltmon > >> >> > >> >> Hi, > >> >> > >> >> > >> >> I got my new Thunderbolt up and running this past weekend but I have a > >> >> few questions. I understand Lady Heather is a better program, and I > >> >> have downloaded it. However right now I am trying to get things right > >> >> with Tboltmon first. I had used it with my previous GPSDO, a Starloc > >> >> II. I hate to say but the Starlic just worked, so I didn't pay much > >> >> attention to Tboltmon other than to see that I was seeing satellites. > >> >> Please forgive me if some of the questions may sound simplistic, but > >> >> I'm sort of new to being a time nut. > >> >> The Thunderbolt is brand new in package. I purchased a Power One open > >> >> frame supply from EBay that was also new old stock. Before connecting > >> >> it to the Thunderbolt, I went ahead and ordered new electrolytic caps > >> >> from Mouser and spent last Friday night recapping the Power One box. I > >> >> measured the outputs with a DMM to make sure I had 5 V, -12 V and 12 V. > >> >> Noticing that in my old antenna location I could now only see 1-2 > >> >> satellites (trees have grown a bit) I moved the antenna to the roof of > >> >> my house, attached to a plumbing vent pipe, with a completely open view > >> >> of the sky here on top of a mountain in Tennessee. > >> >> > >> >> > >> >> Here's what I am noticing: > >> >> To start with I simply turned on the Thunderbolt on Saturday morning > >> >> without doing a warm or cold reset. Within a few minutes, I was seeing > >> >> six or seven satellites, with the SV boxes lit up green with various > >> >> numbers which I assume are satellite ID numbers. When I woke up Sunday > >> >> I was down to seeing only two satellites. The numbers listed were > >> >> different than the ones I saw before I went to bed Saturday. But when > >> >> I unplugged the AC power from the Thunderbolt and plugged it back in, I > >> >> was back to six satellites. > >> >> I had thought that the GPS satellites I am able to see from my > >> >> location are fixed 24/7. Do they move and different satellites come > >> >> into view with rotation of the earth? > >> >> I did a warm reset when I got up at 4:45 this morning and when I got > >> >> home, four satellites were still green on Tboltmon. About an hour ago I > >> >> went ahead and did a cold reset. > >> >> I now have 6 satellites where the SV is green, and one with a yellow SV > >> >> with a value of 7.0. > >> >> All critical alarms are green, and all minor alarms are green except > >> >> position questionable which is yellow. That has been yellow since > >> >> Saturday. > >> >> Under the Disciplining status, Mode is (0) Normal and Activity is (0) > >> >> Phase Locking. > >> >> The Timing Outputs are all over the place and have been since Saturday. > >> >> Twenty minutes ago I got: > >> >> PPS -106588.28 ns GPS > >> >> 10 MHz 166.08 ppb > >> >> > >> >> > >> >> So far today I have gotten the following ppb readings: > >> >> -41.48 > >> >> 374.30 > >> >> 0.48 > >> >> 0.70 > >> >> > >> >> > >> >> Should the Timing output variance concern me? > >> >> > >> >> > >> >> Thanks in advance for any help or advice. > >> >> > >> >> > >> >> Chris > >> >> KD4PBJ > >> >> Monteagle, TN > >> >> > >> >> > >> >> > >> >> — > >> >> Sent from Mailbox > >> >> _______________________________________________ > >> >> 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. _______________________________________________ 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.
