Car clock project idea

Michael Chisena ka2zev at yahoo.com
Sat Mar 23 09:22:23 CDT 2013



 
Guys,
I'm fairly good with analog hardware but lack the software skills to pull something like this off.


With all the back and forth about Arduino project was wondering if this was within the ability of the hard ware.


I would like a car clock that takes data from the GPS receivers I use for the APRS projects.
Lee N4UDP turned me on to these cheap GPS sensors.

http://www.flickr.com/photos/90108848@N00/sets/72157621651452727/

Take the NEMA data from the GPS and turn it into a six or 8 digit car clock.

Was thinking of the two or perhaps a four line display module.


Preposed features.
12/24 hour.
Auto time zone correction depending on location.
A soft key for Zulu time.

Various kinds of stop watch and distance functions.
Elapsed miles, elapsed time, from a button push.


Alarms and chirps like a ships bell for time announcements.

Auto dimmer for ambient brightness matching.

A buffered GPS data output that can drive a long line, like a ribbon cable to feed signal to a remote APRS radio, let's say in the trunk of a vehicle. 12 to 15 feet. This idea might be an EMI/RFI nightmare though.


Can we get a 'fair' frequency standard out of it? 

Better than a PPM or .1PPM?


Can it 'auto correct' clocks in PC's used in police vehicles and computer aided dispatch applications.

I can see this coming in handy.

Some of the RDF things I play in can make use of this.

I can see it being handy for law enforcement evidence cases where timing is critical.
Useful in remote broadcast applications.

Might make a neat kit to market for the club.

Thanks in advance.
Mike


Michael F. Chisena
KA2ZEV at Yahoo.com
703 863 4574





"You are, what you do, when it counts" 
The Masso
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