The atomic gravimeter was installed in a cart of 1 m by 0.8 m by 1.7 m (L × W × H) (Fig. 5C). It weighs around 100 kg, mostly because of the lithium battery power supply, vibration isolation stage, and cart. The cart has two columns, one for the electronic system and the other for the vacuum system. The laser unit consists of two optical breadboards of 60 cm by 46 cm placed at the top level of the cart. The total power consumption is about 250 W. For field operation, the gravimeter was powered by a 1450–W-hour lithium power station (Yeti 1400, Goal Zero). A gas generator was used as a backup power supply. The vehicle used for the gravity surveys is a 15-feet truck (Fig. 5D).

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