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Hog Island Data Preview. From the July 31, 07 redeployment. Storage Node Summary. Data from July 31 to August 13, 2007 Storage node 22 1,780,730 records, 7228 corrupt Coverage: 2 , 8 , 14, 20 Data from: 14, 20 Storage node 24 2,095,516 records, 8213 corrupt
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Hog Island Data Preview From the July 31, 07 redeployment
Storage Node Summary • Data from July 31 to August 13, 2007 • Storage node 22 • 1,780,730 records, 7228 corrupt • Coverage: 2, 8, 14, 20 • Data from: 14, 20 • Storage node 24 • 2,095,516 records, 8213 corrupt • Coverage: 4, 7, 10, 16, 19 • Data from: 4, x, 10, 16, 19 • Storage node 25 • 2,113,593 records, 8714 corrupt • Coverage: 1, 3, 5, 11, 13, 17 • Data from: 1, 5, 11, 13 Nodes 2, 3, 8, 17, 23 were not responsive at deployment-time.
SN1 SN5 SN11 SN13 SN4 SN10 SN16 SN19 Battery andBias Voltage SN14 SN20
Open Questions • Data xmitted vs. received vs. stored? • SN14,11 sensor decay • SN13 daytime-only • How to calibrate with bias voltage? • Storage nodes operate down to 2V also? • Reason for corrupt data?