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Table T17. Specifications of time synchronization and accurate true time recording system.

Feature Specification
Radio GM3688 (Motorola)
Model JJM50KNF9AA2A
Frequency band (MHz) VHF 151.89
Output (W) 20
Antenna model WH-150-3M1
Blaster controller The Shooting System (Macha International, Inc.)
Blaster output voltage (V) 400 regulated
Firing accuracy (ms) 0.25
Firing capacity (Ω) 40 maximum resistance
True time recorder Symmetricom Truetime XL-GPS (2 on Chikyu, 2 on Kairei), Kairei shooting system has another time recorder
Accuracy (ns) 30

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