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Texas NAD27 on the 610
July 27, 2011
5:36 am
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nettak
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I sent them an email earlier....hopefully I won't have to buy another unit. Wish I was more of a computer programing geek; it seems that there must be a way to come up with some kind of patch....

July 27, 2011
5:19 am
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phild31
Nashua, New Hampshire USA
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If you can talk to the Magellan people they may be able to help.
Magellan has a new pro unit out now, eXplorist Pro 10.
I have no idea what it costs but it might be worth looking into.
Here's a link to Magellan's Pro 10 page - LINK

This is a whole new company from what it was in the Triton days.
Mitac owns it now and they are worlds better than the old company.

When in trouble or in doubt, run in circles, scream and shout

July 27, 2011
5:18 am
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zee
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When I put the numbers in the Triton and got a blank line, I asked Support if the Lambert was going to be finished. They said that I needed to go to gpsinformation.net to find out how to configure the unit for State Plane. I told them that I had been using SP in a SporTrak and Meridian for several years, and could I get some info from engineering about when/if the Lambert was going to be finalized. No way. No reply to my emails either.

I got my state info from Corpscon6, our tax dollars at work.

Good grief, just one NAD 27 in my Meridian.

I got a new Meridian Color off of "the bay"several years ago for $135. The only Meridian that has an ex ant conn. Then rigged up a home made ant-ground plane-pole system. Works good and reads the same as the origional MobileMapper.

July 27, 2011
4:45 am
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nettak
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The instructions came from a fellow co-worker. We've been using the meridian since we have to purchase our own GPS unit. The alternative has been the expensive units that the surveyors use....can't think of the brand. The Meridian has been the only one that we could set up this way. I have an old Garmin 76cs that I used on a previous job where we didn't use the state plane system.

We're kind of stuck with the state plane since we are sub-contractors working for a large corp. Can't change the setup that they use. And with this set up, we can take the waypoints off of the computer, use them on the GPS in the field, make any changes necessary, then plug those changes back into the map on the computer. Makes handling waypoints from several people easier when putting the info back onto the master map.

I'm the first one to stray from the Meridian pack....I really didn't want to buy another used, out of date GPS.

July 27, 2011
4:11 am
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phild31
Nashua, New Hampshire USA
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Where did you get the instructions for setting up the Meridian?
The X10s may have to be set up differently?

When in trouble or in doubt, run in circles, scream and shout

July 27, 2011
4:03 am
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nettak
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Yep....I've tried it with NAD27 Conus and NAD27 B. NAD27 A is for North Texas; B is for North Central Texas and includes the county that I work in.

July 27, 2011
3:58 am
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phild31
Nashua, New Hampshire USA
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I would like to help but when I tried to put it in 'Nad 27' it has 17 choices of Nad27;

I don't know witch one is what you need and I don't know how to set my 710 for what you want.

The time it would take for me to figure all this out is a bit much.
I would suggest asking Magellan at Magellan support.

When in trouble or in doubt, run in circles, scream and shout

July 27, 2011
2:48 am
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nettak
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Very frustrating....it's a lot of money to purchase a product and not have it do what you need it to. I hate being a guinea pig....but certainly, there are a lot of people that use the state plane coordinates. I can't afford the units that the surveyors use....

July 27, 2011
12:08 am
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zee
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I put your numbers in my Meridian and it says that there is a big difference between N of Hwy 43 in E Tex, over to the X10 location in S Colorado.
I would think, and hope, that the new units would let you set them up the same way as in the Meridian.

July 26, 2011
10:53 pm
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zee
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I use a Meridian for State Plane, also Lambert, in Utah.
Magellan never finished making Lambert functional in the Triton series, so I have been holding back on gettting an X10 unit, until someone tested one and said that it worked correctly.
It's really hard to find anyone, on any forum, to try out anything a little different on a unit, especially if they have to put numbers in by hand.
When I tried out a recent Garmin unit, that was suppose to "do" lambert, it failed, as Garmin still had it tied to the Equator.
We really need a brave tester for this one!

July 26, 2011
9:27 pm
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nettak
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I've been using a Meridian for work and succeeded in dropping it off the top of the Jeep into the middle of the road at about 50 mph. It is still running, but one of the buttons was lost and I am unable to reset it in any way. I purchased an Explorist 610 since it appeared that I could set it up to read NAD 27 coordinates for Texas, since this is what we use on the mines here. After I set everything up, the coordinates on the 610 do not match what is on the Meridian.

For example: the Meridian coordinates are 028-63-166E and 002-22-947N
while the 610 coordinates are 000079333 and 002261498

Any suggestions on how to set this up for NAD27 Texas north central coordinates?

Following are the instructions for setting up my Meridian:

COORIDINATE SYSTEM

PRIMARY

USER GRID

PROJECTION
Lambert con

LAMBERT CON
2 Standard Par

LATITUDE OF ORIGIN
31.66667N

LONGITUDE OF ORIGIN
97.50000W

LATITUDE STANDARD
Parallel 1 32.13333N
Parallel 2 33.96666N

Scale Factor 1.00000000

UNIT TO METERS CONVERSION
0.30480061

False East at origin
02000000.0

FALSE NORTH at origin
00000000.0

MAP DATAUM
Nad 27

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