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Last modified by robert on 2025/06/16 07:51
From version 43.1
edited by robert
on 2024/05/14 13:49
Change comment: There is no comment for this version
To version 42.3
edited by robert
on 2024/05/14 13:26
Change comment: There is no comment for this version

Summary

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7 7  ANSIR carry two types of three-channel nodes
8 8  
9 9  * **SmartSolo IGU 16HR 3C (5 Hz Short Period)**
10 -* **SmartSolo BD3C-5 (5 Second Broad-Band)**
10 +* **SmartSolo BD3C-5 (5-second Broad-Band)**
11 11  
12 12  Both have a battery capacity of around 30 days. The programming, operation, and downloading procedures for both types of SmartSolo nodes are also similar.
13 13  
... ... @@ -14,9 +14,9 @@
14 14  
15 15  ----
16 16  
17 -= **Programming Defaults** =
17 += **Node Setup** =
18 18  
19 -ANU recommends that the SP 16HR-3C be set to a gain of 24db and no higher than 250 Hz sampling rate. The BD3C-5 should be set to a gain of 6db (maximum allowed). These are what we use for our internal experiments. **Note that this gain must be removed when exporting to miniseed, **otherwise amplitudes will be a factor of either 15.84893192 (24db) or 2 (6db) too high. We also recommend disabling bluetooth to increase battery life, and to enable "FIFO" mode just in case old data is still present on the units and you run out of space (although it is unlikely you will go over 64 Gb for one deploy). If using the "timed turn-on" option, please be aware that **the units will not begin recording until they have acquired a GPS lock**, which may nor occur if they are buried too deeply or have very poor sky view.
19 +Short term (~~30 day) battery powered nodes. The default gain should typically be set to 24 db for the Short Period 16HR-3C and 6 db for the Broadband BD3C-5. **This gain must be removed when exporting to miniseed.**
20 20  
21 21  
22 22  == **Pre-Fieldwork Preparation** ==
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27 27  (((
28 28  **INVEST IN FAST EXTERNAL HARD DRIVES – DO NOT LET THIS BE THE LIMITATION OF DATA HARVESTING**
29 29  
30 -**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.**
30 +**Assume ~~1 Tb of storage for both raw and exported data per 50 nodes @ 250 Hz & 30 days**
31 31  )))
32 32  )))
33 33  
... ... @@ -327,7 +327,10 @@
327 327  **Contents**
328 328  
329 329  (% class="wikitoc" %)
330 -* [[Smart Solo BD3C-5 (5 second) B>>path:#HSmartSoloBD3C-5285second29Broad-BandNode]]
330 +* [[SmartSolo IGU 16HR 3C (5 Hz) Short Period Node>>path:#HSmartSoloIGU16HR3C285Hz29ShortPeriodNode]]
331 +** [[Sub-paragraph>>path:#HSub-paragraph]]
332 +** [[ >>path:#H]]
333 +* [[Smart Solo BD3C-5 (5 second) Broad-Band Node>>path:#HSmartSoloBD3C-5285second29Broad-BandNode]]
331 331  ** [[GPS Considerations>>path:#HGPSConsiderations]]
332 332  * [[Keeping the Instruments Clean>>path:#HKeepingtheInstrumentsClean]]
333 333  * [[Charge Time, Instrument Life, and Charge During Storage & Shipping>>path:#HChargeTime2CInstrumentLife2CandChargeDuringStorage26Shipping]]