I want to keep my tractor in line and also record the track

You can use iCMTGIS II or iGPSGIS II in conjunction with Stakeout iCMT. iCMTGIS II and iGPSGIS II will record the GPS track in the background while you use the Stakeout iCMT to keep your tractor in line.

With your iPad and a reasonably accurate external GPS receiver, you will be able to use iCMTGIS II or iGPSGIS II to record the locations for points, lines and areas. You will be able to drive around a land plot and map the Area Feature for the land plot. You could record a tractor path as a Line Feature. Or, you could turn on the Tracklog and have the track automatically recorded as you move along.

Stakeout iCMT provides the Point Stakeout and Line Stakeout functions. The Line Stakeout function will show how much you deviate from a path. You can either digitize that path in Stakeout iCMT, or get a previously recorded Line Feature or Area Feature from iCMTGIS II or iGPSGIS II.

When you tap the Settings button in a stakeout screen, you will see the option to display a message and/or issue a beep when you are within the distance specified in the Tolerance field. Therefore, if you set this tolerance value to be 3 ft, then as long as you are within 3 ft of the line you will hear beeps or see a “Target!” message flash on the screen. When you are out of bounds, the beeps will stop and you won’t see the “Target!” message.

That said, the accuracy of the stakeout and the recorded track or Line Feature will depend on the accuracy of the GPS receiver used. For sub-meter accuracy, you will need to budget for a GPS receiver like the iSXBlue II.

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