[aprssig] Green light labs gps

[Randy Love]

If you decide to part with that GLL GPS-710, I'm sure there's plenty of
interested parties on this list.

73,
Randy
WF5X

On Fri, Aug 28, 2015 at 4:19 PM, KF4LVZ via aprssig <aprssig at tapr.org>
wrote:

> On 2015-08-28 13:12, Stephen H. Smith wrote:
> > On 8/28/2015 10:52 AM, KF4LVZ via aprssig wrote:
> >> On 2015-08-28 04:15, Stephen H. Smith via aprssig wrote:
> >>> On 8/27/2015 10:46 PM, Dale Urban via aprssig wrote:
> >>>> I have a green light labs gps that I used on my Kenwood D-710. I would
> >>>> like to use it on my D-700 so I would need to supply power through the
> >>>> RJ-45 jack. Would anyone know what the pinout is of the RJ- 45 jack on
> >>>> this gps and which pin is pin 1 and pin 8 Thanks Dale N0KQX
> >>>>
> >>>> Sent from my iPad
> >>
> >>>>
> >>>
> >>> Since the D700 and D710 use the same standard Kenwood pinout for their
> >>> RJ-45 mic jacks, it should be trivial to power it.
> >>
> >> The D700 and the D710 don't use the RJ45 for the same purpose.  The
> >> control head on a D700 is a 4-conductor (4P4C) modular connector while
> >> the D710 has the 8-pin (8P8C) RJ45.  In this case he's asking about the
> >> RJ45 on the control head where the Green Light Labs GPS typically
> mounts.
> >>
> >
> > OOPS!  I totally forgot that the mic jack on the 710 is on the chassis,
> > not the control head, and that the RJ on the head has a totally
> > different pinout!
> >
> >
> > I HAVE successfully powered modern low-power low-current-drain GPS units
> > from the mic jack of the TM-D700 and TM-D742.  I have a variation of
> > this device
> >
> > <http://WA8LMF.net/TinyTrak/index.htm>
> >
> > that has a RJ-45 Kenwood mic plug on a 6" pigtail on one end and a
> > Kenwood mic jack on the other.  The box inserts in-line between the
> > original mic and the radio's mic jack.  The TT3 and the attached GPS are
> > powered by the DC on the mic jack. I make a point of using a
> > NON-illuminated mic to make enough current available for the added
> > hardware.
>
> That's certainly a very low power GPS and looking at the link I see why
> you're able to squeeze it in there if the guts are the same.  Are you
> using a 5 volt regulator in your modified version?
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