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 _ <bpl...@outlook.com> 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: kd4...@gmail.com >> To: time-nuts@febo.com >> 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 _ <bpl...@outlook.com> 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: kd4...@gmail.com >> >> To: time-nuts@febo.com >> >> 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 -- 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.
