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Last modified by robert on 2025/08/21 13:08
From version 58.1
edited by robert
on 2025/06/16 07:51
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To version 60.2
edited by robert
on 2025/07/16 16:08
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30 30  **INVEST IN FAST EXTERNAL HARD DRIVES – DO NOT LET THIS BE THE LIMITATION OF DATA HARVESTING**
31 31  
32 32  **Assume ~~1 Tb of storage for both raw and exported data per 50 nodes @ 250 Hz & 30 days. One node recording at 250 Hz for 30 days tends to create about 3 Gb of miniseed data.**
33 +
34 +**We have had good experience with the 4Tb Samsung T7 Shield drives.**
33 33  )))
34 34  )))
35 35  
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307 307  
308 308  = **Cleaning** =
309 309  
310 -**Procedure for Seismic Nodes:**
312 +When still connected, the nodes are water resistant (don't submerge them!) and can handle a good spray / wipedown. A strong, non-wire brush is helpful to reach areas between the metal spikes on the bottom.
311 311  
312 -Top half:
313 -
314 -Bottom half: The metal spikes on the bottom half of the nodes can be cleaned using a wire brush, though should still be wiped down for dust afterwards.
315 -
316 -
317 317  = **Weights (for shipping)** =
318 318  
319 319  The weights of bags of nodes, as well as data harvesters and node chargers, are listed below:
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