[time-nuts] Releasing sources (was Re: Brooks Shera)

paul swed paulswedb at gmail.com
Thu Mar 28 17:35:38 EDT 2013


Thanks
Gotta love this stuff for as long as its around.
I would grab one but with a 3801 and Tbolt I have enough TekNowlogee
already.
Regards
Paul

On Thu, Mar 28, 2013 at 5:25 PM, Bob Camp <lists at rtty.us> wrote:

> Hi
>
> The BNC on the back is indeed a nice clean 10 MHz sine wave. The odd stuff
> comes out of the SMB jacks. The antenna is SMB as well, but at least some
> of the sellers include N to SMB adapter cables. The big D connector on the
> back has a bunch of LVDS 1/2 pps and LVDS CDMA chip x 4 outputs. There is
> also an RS-485 line and an LVDS loopback line. The beast runs with LH and
> responds to most of the normal stuff. It does not save the results of an
> auto-tune, but that's not as bad as a TBolt. The numbers they have as
> defaults are a lot closer to what they should be. They have a switcher in
> them, so no need for strange supplies. They have a switcher in them, so you
> get interesting spurs (just like the TBolt without a switcher …). Phase
> noise floor on the OCXO isn't quite as good as a TBolt, or the buffer amp
> really isn't doing it's job.
>
> Bob
>
>
> On Mar 28, 2013, at 5:01 PM, paul swed <paulswedb at gmail.com> wrote:
>
> > Yes they do seem inexpensive at $139. I looked at some pix on e### and
> its
> > not clear what port the 10 Mhz comes out of. There is a BNC on the back
> > thats labeled BIT. Built in test.
> > But that doesn't make much sense.
> > Regards
> > Paul
> > WB8TSL
> >
> > On Thu, Mar 28, 2013 at 4:48 PM, Bob Camp <lists at rtty.us> wrote:
> >
> >> Hi
> >>
> >> Thunderbolts may make a comeback one of these days. Who knows what's
> >> sitting waiting to be scrapped out.
> >>
> >> At the risk of running up the price - the Trimble EBSCTM's are as good
> as
> >> a TBolt, and at the moment cheaper. They do lack a pps output, but 10
> MHz
> >> seems to be the more popular output on the TBolt. For NTP use, they
> have a
> >> bunch of 1/2 pps (pulse every other second) outputs.
> >>
> >> Bob
> >>
> >> On Mar 28, 2013, at 4:11 PM, Chris Albertson <albertson.chris at gmail.com
> >
> >> wrote:
> >>
> >>> Some times a project will "take off" when the number of users reaches
> >>> a critical mass.  There are many Open Source projects where the
> >>> initial creator is long gone but the project lives on.    How to get a
> >>> project to that stage?  First off you need numbers of users put allso
> >>> you need some kind of communications forum like this one where the
> >>> uesrs can help each other.  In other words you need to build a
> >>> community around the project.
> >>>
> >>> With the Thunderbolts getting more expensive we might see interrest
> >>> agin on home brew GPSDOs.  A comunity could ddevelope about these.
> >>> That would be the goal of every Open Source author, to get out of the
> >>> job of support and pass that job on to the community.
> >>>
> >>> On Thu, Mar 28, 2013 at 11:16 AM, NeonJohn <jgd at neon-john.com> wrote:
> >>>>
> >>>>
> >>>> On 03/25/2013 09:36 AM, Jim Lux wrote:
> >>>>
> >>>>> One reason is that if one DOES release source, one will wind up
> >>>>> supporting it, because generally, we all nice people and helpful, and
> >>>>> it's hard to tell someone no when they send an email asking how to
> get
> >>>>> it to compile on Version N+3 when you used version N, etc.  This can
> be
> >>>>> a real distraction from whatever else you are doing.
> >>>>
> >>>> Boy, you can say that again.  And open source hardware is even worse.
>  A
> >>>> couple of years ago I put up an open source induction heater on my
> site.
> >>>> Everything included - schematics, board layouts, CAD files, theory of
> >>>> operation, how to wind the transformer - in short, everything I could
> >>>> think of.  There's even a kit available from Fluxeon.com.
> >>>>
> >>>> Yet I probably spend an hour a day responding to emails about that
> >>>> project.  Approximately 100% of the questions are either answered on
> my
> >>>> site or by a little googling.  It's getting to be enough of a burden
> >>>> that I'm considering taking the page down.
> >>>>
> >>>> I'm a dedicated supporter of Open Source but this experience has
> >>>> tempered my enthusiasm a bit.
> >>>>
> >>>>> And then there's the folks who argue with you about your
> implementation
> >>>>> or coding style.
> >>>>
> >>>> Or electrical design style.  I think that the people who want to argue
> >>>> design, especially "what if I did this?" type arguments are more
> >>>> tiresome than the software know-it-alls.
> >>>>
> >>>> People need to really think and do their Google homework before
> hitting
> >>>> the email button on a project site.
> >>>>
> >>>> John
> >>>>
> >>>>
> >>>> --
> >>>> John DeArmond
> >>>> Tellico Plains, Occupied TN
> >>>> http://www.fluxeon.com      <-- THE source for induction heaters
> >>>> http://www.neon-john.com    <-- email from here
> >>>> http://www.johndearmond.com <-- Best damned Blog on the net
> >>>> PGP key: wwwkeys.pgp.net: BCB68D77
> >>>> _______________________________________________
> >>>> time-nuts mailing list -- time-nuts at febo.com
> >>>> To unsubscribe, go to
> >> https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts
> >>>> and follow the instructions there.
> >>>
> >>>
> >>>
> >>> --
> >>>
> >>> Chris Albertson
> >>> Redondo Beach, California
> >>> _______________________________________________
> >>> time-nuts mailing list -- time-nuts at 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 at 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 at 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 at febo.com
> To unsubscribe, go to
> https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts
> and follow the instructions there.
>


More information about the time-nuts mailing list