[time-nuts] Motorola Oncore UT+ firmware upgrade & backup power questions
paulswedb at gmail.com
Sun Jun 21 17:02:49 EDT 2015
Bobs description is accurate. As an example we had a power hit last night.
My gps rcvr came up at some odd time. (normally its all fine in 10-30
seconds) I guessed the battery was bad its been 5 years. Sure enough
sometime later in hours the time is correct. Time to get a screw driver and
On Sun, Jun 21, 2015 at 7:41 AM, Bob Camp <kb8tq at n1k.org> wrote:
> I think there is some confusion here between the almanacs / ephemeris and
> firmware. The Oncore saves the most recent GPS information (almanac and
> in RAM. If that’s battery backed up, it re-loads it at boot. The firmware
> is in flash memory.
> Re-programming the flash is (at best) a “return to vendor” process. Given
> how long the
> parts have been out. There is no guarantee that any given part will have
> enough silicon to
> handle this or that rev of the firmware.
> > On Jun 20, 2015, at 7:06 PM, Hal Murray <hmurray at megapathdsl.net> wrote:
> > gigneil at gmail.com said:
> >> I didnt see this well answered - the device loads firmware at each start
> >> cycle. If i am not mistaken you can even use ntp.
> > I just scanned the ntp source code for the Oncore driver. I didn't see
> > hints of loading firmware. There is code to read the firmware version.
> > --
> > These are my opinions. I hate spam.
> > _______________________________________________
> > time-nuts mailing list -- time-nuts at febo.com
> > To unsubscribe, go to
> > and follow the instructions there.
> time-nuts mailing list -- time-nuts at febo.com
> To unsubscribe, go to
> and follow the instructions there.
More information about the time-nuts