{"name":"Water Level","location":"Makai Pier, Oahu","note":"Ultrasonic tide gauge (cellular; 0.5~10m). Hardware v0.5.","tags":"","latitude":21.3195,"longitude":-157.668,"readings":{"0":{"var":"d2w","ts":1665013175.1,"val":0.0,"unit":"mm","interval":540.0,"desc":"Distance from sensor to water surface","range":[501.0,9998.0]},"1":{"var":"sc","ts":1665013175.1,"val":60.0,"unit":"","interval":540.0,"desc":"# of measurements within 3\u03c3","range":[30.0,60.0]},"2":{"var":"SoC","ts":1664751761.2,"val":2.72,"unit":"%","interval":5400.0,"desc":"State of Charge","range":[40.0,100.0]},"3":{"var":"std","ts":1665013175.1,"val":0.0,"unit":"mm","interval":540.0,"desc":"Sample standard deviation","range":[null,null]},"4":{"var":"ts","ts":1665013175.1,"val":1665012980.0,"unit":"","interval":540.0,"desc":"Sample time (Device clock)","range":[null,null]},"5":{"var":"Vb","ts":1665013175.1,"val":3.594,"unit":"V","interval":540.0,"desc":"Battery voltage","range":[3.7,4.2]}}}