GPS

[addmhenry]

I have my own personal GPS that I use for outdoor activities. Now I am looking for input on what I should consider for work. As a traffic accident investigator I would like to use GPS instead of line tape or roll a tape to locate vehicles and evidence. I am open to opinions and experience.

[QuigleyJones]

If mesuring distance needs to more accurate then 2-7m, then you'll have spend thousands on a sub-meter/sub-foot GPS.

If the GPS you have now has "high sensitvity" you wont get a better unit under 4 digits.

[+fjones15]

Why would you use a GPS not a Laser?

[+Team CowboyPapa]

If mesuring distance needs to more accurate then 2-7m, then you'll have spend thousands ................

Not to worry, it's deductible as a business (capital) expense.

[addmhenry]

Why would you use a GPS not a Laser?

 

a laser for our purposes cost thousands, instead of a few hundred. Been trying for the last 10 years to get approval for a total station but 10K has been out of reach...

[addmhenry]

If mesuring distance needs to more accurate then 2-7m, then you'll have spend thousands ................

Not to worry, it's deductible as a business (capital) expense.

 

If this was a private interprise I could agree but it is a government agency.. (Police Dept.)

[+Barrettg]

If mesuring distance needs to more accurate then 2-7m, then you'll have spend thousands ................

Not to worry, it's deductible as a business (capital) expense.

 

If this was a private interprise I could agree but it is a government agency.. (Police Dept.)

 

Addmhenry: I'm lost as to what you're trying to do. I am a forensic videographer and have 20+ years experience documenting crime scenes, motor vehicle accidents, etc........ Please be more graphic as to what you want to accomplish with a GPS. Normally, when we're documenting a traffic accident, we document the scene by including a description of the intersection involved; or the street address; or whatever other descriptor is necessary in order to establish the location of the scene.

 

Maybe I'm missing the theme of your question. Please articulate.

 

Thanks, G

[superduty1]

"addmhenry" . . . nice username.

[QuigleyJones]

If using GIS/CAD he could waypoint the car, debris, skids, ect and make a virtual image of the accident seen and do all calculations on the computer.

Edited February 27, 2008 by QuigleyJones

[+Barrettg]

If using GIS/CAD he could waypoint the car, debris, skids, ect and make a virtual image of the accident seen and do all calculations on the computer.

O.K., and as a real world, forensic videographer with 20+ years of experience investigating/documenting accident scenes, crime scenes, etc........ , what significance would that have ? Most juries that we present evidence to can barely articulate what they want for lunch. Getting them to appreciate or even understand that the diagram or graphic that they were looking at took into consideration GIS data that the CAD was able to develop into the graphic would be an astonishing accomplishment.

[+cammanron]

I have my own personal GPS that I use for outdoor activities. Now I am looking for input on what I should consider for work. As a traffic accident investigator I would like to use GPS instead of line tape or roll a tape to locate vehicles and evidence. I am open to opinions and experience.

 

It appears that the most accurate civilian/non military GPS available would be the Trimble.

 

http://www.trimble.com/geoxh.shtml

 

This seems to be a handheld computer with GPS built in (perhaps just what you need), try other links though.

 

Even with sub foot accuracy,.... would EVEN these GPS's be accurate enough for detailed forensic work?

[Baumer]

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