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North of 8

Posted 6/9/2021 1:47 PM (#980512)
Subject: Difference in Temp readings between graphs

Wondering if it is normal for two different graphs to have different temp readings. I replaced a small Lowrance with no temp reading on my bow with a Humminbird Helix Mega when I upgraded to an Ulterra. Watching the temps carefully given how quickly waters are warming both yesterday and today. I noticed the Lowrance HDS back by the tiller is a little over 3 degrees warmer than what the Humminbird reads off the Ulterra.
I am guessing the transducer on the Ulterra is close to a foot deeper in the water than the Lowrance transducer, which is even with the bottom of the Pro V. Is that kind of difference common? No big deal, just curious.

On a side note, it is unreal how quickly water is warming again today. In little over two hours, went up almost 4 degrees.