Near Intersection of I-35 & I-90 Southern Mn. | I use some of this same equipment. Our corn and soybeans were planted with an InCommand 1200, GPS 7500 on Terra Star Pro C with Steer Command Z2. The planter is a Deere 1770NT with 24-30" rows.
I am now harvesting the corn with that InCommand 1200 in the combine. The corn head is a Deere 608C so it takes 8 rows. This works out nicely since I can strike through on either the left, right or center set of 8 rows. I change the back ground map to show the planting results.
This shows the sets of 24 rows from the planter. I am able to see to the edges of planter passes and can line up with the left or right set of 8 when I strike through for a new strip. This means my last pass of a strip will be 8 rows.
Since I am using a feeler system for steering the combine, I do need to pick the correct rows myself when striking through for a new pass, I just pull in a few feet, stop and check the onscreen map. I can clearly see if I happened to pick an acceptable set of 8 or if I need to move left or right a certain number of rows. I then back up and move over as necessary. The outer corner of the "triangle" representing the combine width is unbelievably accurate.
For whatever reason, we did not have any problems with solar flares this Spring which others reported. Possibly we were just lucky. We are near Wells, Minnesota
Since you are using WAAS in the combine this might be your issue.
I would suggest setting the background map to planting to see if the screen depiction actually matches the rows. This should help you decide if the problem is due to the planting map made at planting time or if the problem is due to GPS drift now at harvest time.
Edited by tedbear 10/6/2024 07:34
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ag leader thinks I am 2-3 rows off
