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Hog Island Data Preview

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

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  1. Hog Island Data Preview From the July 31, 07 redeployment

  2. 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.

  3. Sensor Locations

  4. SN1 SN5 SN11 SN13 SN4 SN10 SN16 SN19 Battery andBias Voltage SN14 SN20

  5. Light Data

  6. 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?

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