[arm-allstar] arm-allstar Digest, Vol 7, Issue 13
gm4upx at gb7jd.co.uk
gm4upx at gb7jd.co.uk
Wed Dec 17 06:25:52 EST 2014
On 16-12-2014 21:44, arm-allstar-request at hamvoip.org wrote:
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> Today's Topics:
>
> 1. Re: Frustrated by time ??? (Doug Crompton)
> 2. Re: Frustrated by time ??? (Sam Nabkey)
> 3. Re: Frustrated by time ??? (Doug Crompton)
> 4. Re: Frustrated by time ??? (David McGough)
>
>
> ----------------------------------------------------------------------
>
> Message: 1
> Date: Tue, 16 Dec 2014 13:16:19 -0500
> From: Doug Crompton <doug at crompton.com>
> To: BeagleBone Black ARM Allstar <arm-allstar at hamvoip.org>
> Subject: Re: [arm-allstar] Frustrated by time ???
> Message-ID: <BLU172-W13C94EAF307D5C9C4A364DBA6C0 at phx.gbl>
> Content-Type: text/plain; charset="iso-8859-1"
>
> Thanks for sharing that Ian. Yes you do need access to an ntp server
> unless you build up the real time clock.
>
> I will report that my test system with the real time clock (no ntp
> updates) has kept excellent time. It has gained about 15 seconds in a
> month of operation. This is however at a fairly constant 72 degree F
> room temperature. It is certainly better to use ntp if you can.
> 73 Doug
> WA3DSP
> http://www.crompton.com/hamradio
>
>
>> Date: Tue, 16 Dec 2014 16:53:20 +0000
>> From: gm4upx at gb7jd.co.uk
>> To: arm-allstar at hamvoip.org
>> Subject: [arm-allstar] Frustrated by time ???
>>
>> I thought I would share this :-
>>
>> If, like me, you have tried to change the time in Arch after a reboot
>> because the date/time has gone back to 2000 and each time you try you
>> fail as the system won't let you for one reason or another, the cure
>> is
>> simple.
>>
>> Yesterday I tried all the suggested cmds [ ntpdq -p ] etc. but none
>> would work.
>>
>> I have a PC router with three network cards in it and unbeknown to me
>> the one that connected me to the outside world had failed; as soon as
>> I
>> got it working the time " magically " was back to normal.
>>
>> Moral of story; the fault is not always where you think it is.. No
>> internet connection, no correct time..
>>
>> Regards,
>>
>> Ian..
>> _______________________________________________
>>
>> arm-allstar mailing list
>> arm-allstar at hamvoip.org
>> http://lists.hamvoip.org/cgi-bin/mailman/listinfo/arm-allstar
>>
>> Visit the BBB web page -
>> http://www.crompton.com/hamradio/BeagleBoneBlackAllstar/
>>
>
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> ------------------------------
>
> Message: 2
> Date: Tue, 16 Dec 2014 14:50:35 -0500
> From: Sam Nabkey <sam.nabkey at gmail.com>
> To: BeagleBone Black ARM Allstar <arm-allstar at hamvoip.org>
> Subject: Re: [arm-allstar] Frustrated by time ???
> Message-ID:
> <CAO8AawomPWZ=eVM4dEiWzFp2XEQwzhsc==Y9tECnqyWJRrrduA at mail.gmail.com>
> Content-Type: text/plain; charset="utf-8"
>
> Doug, which RTC are you using?
>
> On Tue, Dec 16, 2014 at 1:16 PM, Doug Crompton <doug at crompton.com>
> wrote:
>>
>> Thanks for sharing that Ian. Yes you do need access to an ntp server
>> unless you build up the real time clock.
>>
>> I will report that my test system with the real time clock (no ntp
>> updates) has kept excellent time. It has gained about 15 seconds in a
>> month
>> of operation. This is however at a fairly constant 72 degree F room
>> temperature. It is certainly better to use ntp if you can.
>>
>>
>>
>> *73 DougWA3DSPhttp://www.crompton.com/hamradio
>> <http://www.crompton.com/hamradio>*
>>
>>
>> > Date: Tue, 16 Dec 2014 16:53:20 +0000
>> > From: gm4upx at gb7jd.co.uk
>> > To: arm-allstar at hamvoip.org
>> > Subject: [arm-allstar] Frustrated by time ???
>>
>> >
>> > I thought I would share this :-
>> >
>> > If, like me, you have tried to change the time in Arch after a reboot
>> > because the date/time has gone back to 2000 and each time you try you
>> > fail as the system won't let you for one reason or another, the cure is
>> > simple.
>> >
>> > Yesterday I tried all the suggested cmds [ ntpdq -p ] etc. but none
>> > would work.
>> >
>> > I have a PC router with three network cards in it and unbeknown to me
>> > the one that connected me to the outside world had failed; as soon as I
>> > got it working the time " magically " was back to normal.
>> >
>> > Moral of story; the fault is not always where you think it is.. No
>> > internet connection, no correct time..
>> >
>> > Regards,
>> >
>> > Ian..
>> > _______________________________________________
>> >
>> > arm-allstar mailing list
>> > arm-allstar at hamvoip.org
>> > http://lists.hamvoip.org/cgi-bin/mailman/listinfo/arm-allstar
>> >
>> > Visit the BBB web page -
>> http://www.crompton.com/hamradio/BeagleBoneBlackAllstar/
>> >
>>
>> _______________________________________________
>>
>> arm-allstar mailing list
>> arm-allstar at hamvoip.org
>> http://lists.hamvoip.org/cgi-bin/mailman/listinfo/arm-allstar
>>
>> Visit the BBB web page -
>> http://www.crompton.com/hamradio/BeagleBoneBlackAllstar/
>>
>
>
> --
>
> *Samuel T. Nabkey - K8SN*
>
>
> *Project Manager / Repeater Owner | West Michigan Technical Group*
>
> DMR 3126098-100 | 442.175/R 103.5HZ | WX8GRR-B | IRLP 4168 | Allstar
> 28789
>
> Work 616.257.1125 | Other 616.284.1358 | Fax 616.257.1101
>
> *sam.nabkey at gmail.com <sam.nabkey at gmail.com> | http://www.k8sn.org
> <http://www.k8sn.org/> *
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> ------------------------------
>
> Message: 3
> Date: Tue, 16 Dec 2014 15:30:33 -0500
> From: Doug Crompton <doug at crompton.com>
> To: BeagleBone Black ARM Allstar <arm-allstar at hamvoip.org>
> Subject: Re: [arm-allstar] Frustrated by time ???
> Message-ID: <BLU172-W1EE328F5C5C4DD945124DBA6C0 at phx.gbl>
> Content-Type: text/plain; charset="iso-8859-1"
>
> Sam,
>
> I put a how-to out on the hamvoip.org page a few weeks ago. Here is a
> direct link..
> http://www.crompton.com/hamradio/BBB_realtime_clock/
>
> 73 Doug
> WA3DSP
> http://www.crompton.com/hamradio
>
>
> Date: Tue, 16 Dec 2014 14:50:35 -0500
> From: sam.nabkey at gmail.com
> To: arm-allstar at hamvoip.org
> Subject: Re: [arm-allstar] Frustrated by time ???
>
> Doug, which RTC are you using?
> On Tue, Dec 16, 2014 at 1:16 PM, Doug Crompton <doug at crompton.com>
> wrote:
>
>
> Thanks for sharing that Ian. Yes you do need access to an ntp server
> unless you build up the real time clock.
>
> I will report that my test system with the real time clock (no ntp
> updates) has kept excellent time. It has gained about 15 seconds in a
> month of operation. This is however at a fairly constant 72 degree F
> room temperature. It is certainly better to use ntp if you can.
>
> 73 Doug
> WA3DSP
> http://www.crompton.com/hamradio
>
>
>> Date: Tue, 16 Dec 2014 16:53:20 +0000
>> From: gm4upx at gb7jd.co.uk
>> To: arm-allstar at hamvoip.org
>> Subject: [arm-allstar] Frustrated by time ???
>>
>> I thought I would share this :-
>>
>> If, like me, you have tried to change the time in Arch after a reboot
>> because the date/time has gone back to 2000 and each time you try you
>> fail as the system won't let you for one reason or another, the cure
>> is
>> simple.
>>
>> Yesterday I tried all the suggested cmds [ ntpdq -p ] etc. but none
>> would work.
>>
>> I have a PC router with three network cards in it and unbeknown to me
>> the one that connected me to the outside world had failed; as soon as
>> I
>> got it working the time " magically " was back to normal.
>>
>> Moral of story; the fault is not always where you think it is.. No
>> internet connection, no correct time..
>>
>> Regards,
>>
>> Ian..
>> _______________________________________________
>>
>> arm-allstar mailing list
>> arm-allstar at hamvoip.org
>> http://lists.hamvoip.org/cgi-bin/mailman/listinfo/arm-allstar
>>
>> Visit the BBB web page -
>> http://www.crompton.com/hamradio/BeagleBoneBlackAllstar/
>>
>
>
> _______________________________________________
>
>
>
> arm-allstar mailing list
>
> arm-allstar at hamvoip.org
>
> http://lists.hamvoip.org/cgi-bin/mailman/listinfo/arm-allstar
>
>
>
> Visit the BBB web page -
> http://www.crompton.com/hamradio/BeagleBoneBlackAllstar/
>
> --
>
> Samuel T. Nabkey - K8SN
>
> Project Manager / Repeater Owner | West Michigan Technical Group
> DMR 3126098-100 | 442.175/R 103.5HZ | WX8GRR-B | IRLP 4168 | Allstar
> 28789
> Work 616.257.1125 | Other 616.284.1358 | Fax 616.257.1101
> sam.nabkey at gmail.com | http://www.k8sn.org
>
>
>
>
>
>
>
> _______________________________________________
>
> arm-allstar mailing list
> arm-allstar at hamvoip.org
> http://lists.hamvoip.org/cgi-bin/mailman/listinfo/arm-allstar
>
> Visit the BBB web page -
> http://www.crompton.com/hamradio/BeagleBoneBlackAllstar/
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> ------------------------------
>
> Message: 4
> Date: Tue, 16 Dec 2014 16:44:27 -0500 (EST)
> From: David McGough <kb4fxc at inttek.net>
> To: BeagleBone Black ARM Allstar <arm-allstar at hamvoip.org>
> Subject: Re: [arm-allstar] Frustrated by time ???
> Message-ID:
> <Pine.LNX.4.44.1412161635420.21957-100000 at goliath.inttek.net>
> Content-Type: TEXT/PLAIN; charset=US-ASCII
>
>
> Hi Everyone,
>
> I thought I'd mention that Doug's simple RTC project is a VERY good
> solution where Internet access isn't guaranteed. The big positives
> points
> with the RTC are that it's self contained, with no external parts.
>
> Another solution is to use a USB GPS puck; the drawback of the GPS
> solution being that the GPS must be located where it see the
> satellites.
> Note that the gpsd software is already part of the 1.2.1 release. I've
> used GPS units like this one, previously, for both time and APRS
> position.
> They work well....See: http://www.ebay.com/itm/181490131179
>
> I'll mention further that this GPS isn't a "precision" time solution,
> with
> sub-millisecond accuracy! But, it will give you better than 1 second
> accuracy reliably and continuously.
>
> 73, David KB4FXC
>
>
>
> On Tue, 16 Dec 2014, Doug Crompton wrote:
>
>> Thanks for sharing that Ian. Yes you do need access to an ntp server
> unless you build up the real time clock.
>>
>> I will report that my test system with the real time clock (no ntp
> updates) has kept excellent time. It has gained about 15 seconds in a
> month of operation. This is however at a fairly constant 72 degree F
> room
> temperature. It is certainly better to use ntp if you can.
>> 73 Doug
>> WA3DSP
>> http://www.crompton.com/hamradio
>>
>>
>> > Date: Tue, 16 Dec 2014 16:53:20 +0000
>> > From: gm4upx at gb7jd.co.uk
>> > To: arm-allstar at hamvoip.org
>> > Subject: [arm-allstar] Frustrated by time ???
>> >
>> > I thought I would share this :-
>> >
>> > If, like me, you have tried to change the time in Arch after a reboot
>> > because the date/time has gone back to 2000 and each time you try you
>> > fail as the system won't let you for one reason or another, the cure is
>> > simple.
>> >
>> > Yesterday I tried all the suggested cmds [ ntpdq -p ] etc. but none
>> > would work.
>> >
>> > I have a PC router with three network cards in it and unbeknown to me
>> > the one that connected me to the outside world had failed; as soon as I
>> > got it working the time " magically " was back to normal.
>> >
>> > Moral of story; the fault is not always where you think it is.. No
>> > internet connection, no correct time..
>> >
>> > Regards,
>> >
>> > Ian..
>> > _______________________________________________
>> >
>> > arm-allstar mailing list
>> > arm-allstar at hamvoip.org
>> > http://lists.hamvoip.org/cgi-bin/mailman/listinfo/arm-allstar
>> >
>> > Visit the BBB web page - http://www.crompton.com/hamradio/BeagleBoneBlackAllstar/
>> >
>>
>
>
>
> ------------------------------
>
> _______________________________________________
> arm-allstar mailing list
> arm-allstar at hamvoip.org
> http://lists.hamvoip.org/cgi-bin/mailman/listinfo/arm-allstar
>
>
> End of arm-allstar Digest, Vol 7, Issue 13
> ******************************************
I checked out your RTC link; that's another excellent guide which I will
follow in the New Year. Many Thanks,
Regards,
Ian..
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