[aprssig] Mobile Off-Air Display

Dan Walls na5dw at cox.net
Wed Aug 12 00:28:42 EDT 2015

Can you give me some more info about how you provide power for your sag
radio's.  I am helping the the tour de cure in Colorado this weekend and I
will be using car provided for me.  The power issue is a concern to me.  I
thought about powering the mobile from a 7 amp h  battery.  I am concerned
about how long the battery will last.


On Sun, Aug 9, 2015 at 6:25 PM, Charles Bland via aprssig <aprssig at tapr.org>

> I'd like to get the latest opinion from this group about putting together
> a simple mobile APRS display solution.
> Our local club does a couple of bike events each year. We have an ad-hoc
> network to support our trackers over the course area. I have been turning
> my attention toward broader use of the info. For example, our rest stops
> now have displays, and we run a Public Info table so that we can make event
> participants aware of what we do and how we do it.
> I am now turning my attention to our radio operators in the sag wagons.
> For insurance purposes, the bike club provides the cars and drivers. The
> radio op rides shotgun, using a Go-Box that has battery assist so that the
> cigarette lighter adapter isn't doing the heavy TX lifting and can be
> shared for other uses.
> I'd like to have simple, non-transmitting display setup so that the
> operator can "look" around the course as he has need. I'm not sure where to
> start looking for commercial solutions, if there are any at all. I also
> have been wondering, given the abundance of R-PI hardware, if a R-PI and
> display would be enough to run something like YACC. A simple RX and antenna
> would be enough, and the package could be small enough to occupy little of
> the precious space in the vehicle and not pose a safety issue. Even nicer
> if it could be on the dash.
> So, what do you folks know? How would you approach such a requirement?
> Chuck
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Dan Walls
Cell 405-414-9326
Fax (888) 863-8601
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