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Long Range Hunting & Shooting
1st MOAG chuck hunt pics
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<blockquote data-quote="ricka0" data-source="post: 68041" data-attributes="member: 3086"><p>I pluged in MS Streets and Trips into my 3rd string laptop and it gives much better GPS readings than my Garmin ( $90 for GPS + software). It also works on pocket PC's (that have a USP port). It uses differential correction to get within inches here in SF (because there is a DC transmitter nearby) - out in the field the DC would add zero value (too far for the corrections to be useful).</p><p></p><p>Because I'm dyslexic like GW - I can't rely on the writing down the numbers, so I copy them off the program.</p><p></p><p>The best way to get distance is to mark both locations and take reading over several days <font color="red"> <strong> at different times</strong> </font> each day. Using mean to estimate the actual value, toss out data not in the .95 interval and you can easily get within 1 meter.</p><p></p><p> [ QUOTE ]</p><p> Even a more accurate way (without using a tape measure) I've found is to take a reading with the LRF at 500 yard increments </p><p></p><p>[/ QUOTE ] </p><p>That should be the least accurate. You have to add the error term for each measurement you take. You also end up with a 3 dimentional curved path which is further than the 1 dimentional straight line. Image you shoot from a hill to another hill, with 10 hills/valleys in between.</p><p></p><p>On the other hand, if you're only taking 2 measurements in lieu of one, and the error term is high on the one measurement (beyond the range of your finder) - you could get a better measurement.</p></blockquote><p></p>
[QUOTE="ricka0, post: 68041, member: 3086"] I pluged in MS Streets and Trips into my 3rd string laptop and it gives much better GPS readings than my Garmin ( $90 for GPS + software). It also works on pocket PC's (that have a USP port). It uses differential correction to get within inches here in SF (because there is a DC transmitter nearby) - out in the field the DC would add zero value (too far for the corrections to be useful). Because I'm dyslexic like GW - I can't rely on the writing down the numbers, so I copy them off the program. The best way to get distance is to mark both locations and take reading over several days <font color="red"> [b] at different times[/b] </font> each day. Using mean to estimate the actual value, toss out data not in the .95 interval and you can easily get within 1 meter. [ QUOTE ] Even a more accurate way (without using a tape measure) I've found is to take a reading with the LRF at 500 yard increments [/ QUOTE ] That should be the least accurate. You have to add the error term for each measurement you take. You also end up with a 3 dimentional curved path which is further than the 1 dimentional straight line. Image you shoot from a hill to another hill, with 10 hills/valleys in between. On the other hand, if you're only taking 2 measurements in lieu of one, and the error term is high on the one measurement (beyond the range of your finder) - you could get a better measurement. [/QUOTE]
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