| 摘要 |
PROBLEM TO BE SOLVED: To provide an electronic pile, dispensing with survey work for confirming a position, capable of immediately finding out the position, even if the position moves, and capable of informing a surrounding state in a driven position to a separate place. SOLUTION: This electronic pile 1 which serves as a mark and a column by being driven in the ground, is provided with a GPS unit 2 for arithmetically operating the position by receiving a GPS signal, a correction information signal receiving unit 3 for making GPS position correcting information by receiving a correction information signal, a position data signal transmission receiving unit 4 for receiving an indicating signal by transmitting position data, and an electronic pile body unit 5 for supplying a power source.
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