19. 光波測距儀の同時比較観測(AGA8型,AGA700型,及びK&EレンジマスターIII型)

概要

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In order to examine instrumental offsets of distance measuring instruments, we conducted simultaneous comparative measurements using the AGA8, AGA700 and the newly introduced K&E Rangemaster III. Several base-lines and base-line networks with distances from 50m to 6km were used for measurements under various conditions. The results suggest that the AGA700 gives longer distances than the Rangemaster III by about 10mm depending on the base-line lengths. The longer the base-line, the larger the offset. On the other hand, the AGA8 gives shorter distances than the Rangemaster III by about 10-20mm. Since we are planning to replace the AGA8 and AGA700 with the K&E Rangemaster III, these comparative measurements are needed and the obtained instrumental offsets should be corrected by connecting the old data of the AGA700 and AGA8 with the new data of the K&E Rangemaster III.
東京大学地震研究所,Earthquake Research Institute, University of Tokyo,東京大学地震研究所,東京大学地震研究所富士川地殻変動観測所の論文
1983-10-22