Near Intersection of I-35 & I-90 Southern Mn. | My opinion is that it could come from either depending on your GPS and its capabilities.
When I used a GeoSteer, my cable did not have a simulated radar speed OUT branch. I don't believe one was available.
Since my tractor did not have a radar gun, I could have purchased a radar gun for the tractor. Instead, I purchased one of those so-called "GPS hockey puck" devices. It uses GPS to create a radar like signal. This meant my tractor actually had two GPS devices on the top of the cab. One was the GPS for GeoSteer and my Ag Leader functions. The other was used for the planter monitor as the ground speed source. This worked fine. The "extra" GPS device does not need to be centered on the cab. There were no interference issues between the two since they were both receive only devices. Certain two-way radios could cause interference when transmitting.
Later, I participated in an Ag Leader Upgrade program. I was given some credit for my Ag Leader display, GPS and GeoSteer. In turn, I received an InCommand 1200, Ag Leader 6500 GPS and Ag Leader's SteerCommand. The GPS cable coming from the GPS 6500 has two GPS branches and a radar OUT branch. The radar out branch can be used to provide a radar like signal to other devices such as your planter monitor.
Later I traded the Ag Leader GPS 6500 for an Ag Leader 7500. The GPS 7500 uses the same cable for the GPS so the radar OUT branch could be used with it also. With the 6500, I had to type in a special code to inform the 6500, I wished to use the radar OUT branch. This was a one time event. It was not necessary to type in any code with the 7500.
Edited by tedbear 6/20/2025 10:17
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Pulling mph data off AgLeader to feed planter
