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Do any of you use a GPS for rangefinding?

 
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Old 03-15-2009, 02:45 PM
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Do any of you use a GPS for rangefinding?

Just wondering if anyone here ever used their GPS as a rangefinder?I think it would be nice for long range target practice,when the distance or conditions are too far for a laser range finder.I was playing around with my Garmin 76CSX today,out to 750yds.,and it was giving me the same exact reading as my laser range finder,which was very encouraging.The only problem I ran into,was after about 800 yds.,it converted the distances to miles,with 1 decimal number,which is useless for long range shooting.Do any of you have GPS units that will read in yards at further distances,if so,which unit is it?
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Old 03-15-2009, 03:09 PM
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Join Date: Dec 2001
Location: Winterville, NC
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Re: Do any of you use a GPS for rangefinding?

KQGuy,
Not sure if this has any application for you but it's nice to have. Check it out;

http://joshmadison.com/article/convert-for-windows

JohnnyK
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Old 03-15-2009, 05:12 PM
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Re: Do any of you use a GPS for rangefinding?

KQguy


pm sent
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Old 03-15-2009, 07:33 PM
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Location: Superior, WI
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Re: Do any of you use a GPS for rangefinding?

I have an old Garmin 12 that works great for range finding. It will only read in meters or miles but I can convert meters to yards easy enough. You have to remember that GPS will not be dead on but it is close enough for this old Prairie dog shooter.

Since we shoot over the same ground year after year we have ranged prominent landmarks and then guesstimate actual mound ranges from there.
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Old 03-15-2009, 07:45 PM
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Re: Do any of you use a GPS for rangefinding?

All GPS units have there own quirks about them but they can be overcome!!!

If your settings by default go to points of a mile then try and change the settings to metric. That might get you out to 1000m ie about 1100 yards.

Another option would to be to break up the distance by setting waypoints mid way. This should get you out to 1600 yards if you leave the settings on imperial on your unit. If you switch to metric you should be good for 2000m or 2200 yards with only one mid way waypoint.

Another way would be to take a reading at both ends then park your car in the middle somewhere and use the GPS to tell you distance to both ends and then add the two distances together. You need to be in line with both end points though.

Yet another way would be to simply write down the coordinates (metric datum) of the target and shooting possition, then use a bit of math to work out the distance. ie subtract Eastings and Northings then do a simple right angle triangle calc to get distance.

Just a note on GPS readings........ For a single set of readings take readings at each end without too much time gap between readings. For a location that you may use often, take a number of readings on different days and average your results

There is some good PC software out that can help you set waypoints into your GPS unit that you can then set out in the field at any distance you like, this may be better for you?

I am a land surveyor so can give you heaps of ideas on what to try.

Give these things a go and see if you can come up with a method that works for you. Let us know how you get on.
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Old 03-16-2009, 05:52 AM
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Re: Do any of you use a GPS for rangefinding?

Thanks for all the ideas,I was really hoping there was a GPS unit out there that could range long distances without a midway point(I could do that with my range finder).I was just really surprised when I saw how accurate my GPS was with my range finder,I got bummed when it quit reading in yards after about 800 yds.Maybe I will try to get it to read in meters and see how far it will read,then I could just enter the information into my Exbal in meters instead of yards.
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Old 03-16-2009, 10:20 PM
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Posts: 38
Re: Do any of you use a GPS for rangefinding?

I am new to using a gps and would like to know how you used your gps to range out to 800 yds? Thanks
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