Keeping your GPS receiver's electronic compass is critical.
Recently I held
a GPS navigation
seminar at a
Sportsman’s show in Central Oregon.
At one point during the seminar one man described the inaccuracy of his
GPS and asked
what he could do about it. He was frustrated that on several occasions
while returning to camp the GPS compass arrow (while in the “Find,”
“Where to” mode) was providing unreliable information. He’d arrive in
camp and the receiver would direct him in a new direction and distance.
As he related his story, I noticed that several other attendees nodded
in agreement that they too had the same problem. I asked the fellow if
he had ever calibrated the electronic compass. “Yes, when I first got
the GPS,” was his reply.
When I explained that the electronic compass should be calibrated after
EVERY battery change, the group’s response was one of surprise.
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