John Deere OMPC20964 ユーザーズマニュアル
RTK Base Station Setup
OUO6050,0002277
–19–27NOV06–3/6
PC8745
–UN–01SEP05
A—Receiver
Picture on the Left: The base station, with receiver
attached 1 foot off the top of the tower, was being
affected by multipath from the dome of the water
tower. The vehicle receiver running off this base
station experienced different symptoms:
attached 1 foot off the top of the tower, was being
affected by multipath from the dome of the water
tower. The vehicle receiver running off this base
station experienced different symptoms:
• Two vehicles would be operating at the same time.
One vehicle would go from RTK into RTK-X and see
a line jump of up to 6 inches for a couple of minutes,
while the other vehicle would be operating without
incident.
a line jump of up to 6 inches for a couple of minutes,
while the other vehicle would be operating without
incident.
• At a later time, the situation would reverse, and the
vehicle without incident earlier would go into RTK-X
and experience a line jump, while the other vehicle
wouldn’t.
wouldn’t.
The reason the vehicles behaved differently was
because each vehicle may have been using a different
set of satellites at a given time due to shading and
vehicle location.
because each vehicle may have been using a different
set of satellites at a given time due to shading and
vehicle location.
Picture on the Right: Base station was elevated 5 feet
off the top of the tower. Raising the receiver greatly
reduced the multipath effects observed on this RTK
system.
off the top of the tower. Raising the receiver greatly
reduced the multipath effects observed on this RTK
system.
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