[time-nuts] A few questions about Tboltmon

Dave Mallery dave.mallery at gmail.com
Sat Aug 8 14:26:38 EDT 2015


hi

the hard reset took me about 48 hours.

73

dave

On Fri, Aug 7, 2015 at 1:32 PM, Chris Waldrup <kd4pbj at gmail.com> wrote:

> Is it possible I bricked the unit by doing the factory reset?
>
> If so can I update the firmware somehow to get back to where I was?
>
> Thank you.
>
>
>
>
> Chris
>
> KD4PBJ
>
>
>
>> Sent from Mailbox
>
> On Fri, Aug 7, 2015 at 4:14 PM, Chris Waldrup <kd4pbj at gmail.com> wrote:
>
> > 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 _ <bpl521 at 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: kd4pbj at gmail.com
> >>> To: time-nuts at 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 _ <bpl521 at 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: kd4pbj at gmail.com
> >>> >> To: time-nuts at 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
> >>> >> _______________________________________________
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> >>> >> and follow the instructions there.
> >>> >
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-- 
Dave Mallery, K5EN                 (ubuntu linux 15-04)
PO Box 15                              Ophir,  OR  97464

      linux counter #64628 (since 1997)


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