| 摘要 |
PROBLEM TO BE SOLVED: To provide a device for presenting a level of a specific signal element of a signal from a marking body, and extremely facilitates searching of the marking body buried in a forest or the like.SOLUTION: A device 2 for presenting a level of a specific signal element of a signal from a marking body 3, where a part or all of the marking body is disposed by being buried in the ground, transmits a signal for asking for a response to the marking body 3. When the device receives a response signal from the marking body 3, the level of the specific signal element of the signal is measured continuously, and the level of the signal element is presented. |
