Two way radios interfering with GPS - The Combine Forum
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post #1 of 12 (permalink) Old 03-19-2011, 01:17 PM Thread Starter
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Two way radios interfering with GPS

I'm thinking about installing two way radios in my tractors and I'm wondering if anyone has had problems with them interferring with the GPS signal? I'm only using the WAAS signal.
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post #2 of 12 (permalink) Old 03-19-2011, 01:41 PM
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Yes I have had this problem. Changed the radio out and the problem stopped. Not sure what was up with that.
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post #3 of 12 (permalink) Old 03-19-2011, 03:19 PM
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We have a bunch, it's recommended you keep any antenae at least three feet from the GPS antena. I don't think we are having any interference.

Why is there never time and money to do it correctly but there's always plenty to do it again
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post #4 of 12 (permalink) Old 03-19-2011, 08:12 PM
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keep the antenna as far away as possible for the reciever even then we still have problems every once and a while.
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post #5 of 12 (permalink) Old 03-20-2011, 12:19 PM
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We've never had problems with the gps signal but our radios do interfere with grain moisture meter.
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post #6 of 12 (permalink) Old 03-20-2011, 03:47 PM
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I have had troubles in my sprayer tractor, when the radio mike is keyed it will kick out my auto steer and shut off my auto boom control. Still havnt figured out why. Doesnt seem to bother the autosteer in tractors or combine.
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post #7 of 12 (permalink) Old 03-20-2011, 04:05 PM
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Quote:
Originally Posted by stickeye View Post
I have had troubles in my sprayer tractor, when the radio mike is keyed it will kick out my auto steer and shut off my auto boom control. Still havnt figured out why. Doesnt seem to bother the autosteer in tractors or combine.
Move your power source for the two way to a different circuit, when you key the mike your radio is consuming too much power and causing enough voltage drop it's cutting out your computers.

Why is there never time and money to do it correctly but there's always plenty to do it again
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post #8 of 12 (permalink) Old 03-20-2011, 04:07 PM
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Quote:
Originally Posted by stickeye View Post
I have had troubles in my sprayer tractor, when the radio mike is keyed it will kick out my auto steer and shut off my auto boom control. Still havnt figured out why. Doesnt seem to bother the autosteer in tractors or combine.
check your power and ground wires, something is shorting out and grounding your autosteer. i had the same problem in my swather last year and it was just a loose power wire on the radio. fixed the connection and had zero problems after that
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post #9 of 12 (permalink) Old 03-20-2011, 04:18 PM Thread Starter
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Thanks for all the info guys, sounds like I'll give it a shot. My STX is prewired for the antenna, with just a little dimple in the roof where you drill a hole....the cable is supposed to be right there. Its a little over 4 feet from the GPS antenna. Has anyone drilled at this dimple and found the cable/connector right there?
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post #10 of 12 (permalink) Old 03-20-2011, 05:04 PM
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I think if you use waas, and you have a VHF radio, you are more likely to have some issues. I'd have to look up the freq's, but I think I'm right on that. Try moving the antenna for the radio farther away from the GPS, it might help. If you lose correction (waas), you will probably kick out your autosteer, as well as your section control, as they are probably set to only work with proper correction.
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