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Last modified by robert on 2025/08/21 13:08
From version 55.1
edited by KB
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Title
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1 -SmartSolo Seismometers
1 +SmartSolo Node Seismometers
Author
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1 -XWiki.Kimberley
1 +XWiki.JackD
Content
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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 Broadband)**
11 11  
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.
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 -
15 15  ----
16 16  
17 17  = **Programming Defaults** =
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.
18 +We recommend that the SP 16HR-3C be set to a gain of 24db and no higher than 250 Hz sampling rate unless there is an explicit reason to do so. The BD3C-5 should be set to a gain of 6db (which is the maximum allowed). These are what we use for our internal experiments.
20 20  
20 +**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.
21 21  
22 22  = **Fieldwork Preparation** =
23 23  
24 -(% class="box infomessage" %)
25 -(((
26 26  (% class="box warningmessage" %)
27 27  (((
28 28  **INVEST IN FAST EXTERNAL HARD DRIVES – DO NOT LET THIS BE THE LIMITATION OF DATA HARVESTING**
29 29  
30 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.**
29 +
30 +**We have had good experience with the 4Tb Samsung T7 Shield drives.**
31 31  )))
32 -)))
33 33  
33 +== Magnets ==
34 +
35 +If you are short on magnets, you may find it easier and a lot cheaper to buy magnets in Australia. AMF Magnetics is a good retailer, and [[this item>>https://magnet.com.au/collections/shop?q=23012B]] seems to work well. It is also advantageous to use smaller magnets and store/carry them individually in your back pocket (as well as stick them to various places in your field vehicle, etc).
36 +
37 +== Animal-Proofing ==
38 +
39 +We have experienced times where foxes (or some other animal) will dig up nodes and potentially carry them off for tens or hundreds of meteres. Being sanitary with the rope handles (e.g. not getting food grease on them) seems to help, as well as spraying the nodes and handles with methylated spirits et al. when deploying. There are other specialized products available depending on your environment.
40 +
34 34  = **Installation** =
35 35  
36 -== **1. Logbook documentation** ==
43 +(% class="box infomessage" %)
44 +(((
45 +**Field logs are a critical component of fieldwork and this is especially the case for large N nodal deploys. Take notes!**
46 +)))
37 37  
48 +== 1. Logbook documentation ==
49 +
38 38  (((
39 -**Essential Details**: Record the following in a logbook:
51 +**Essential Details** for field logs:
40 40  
41 41  * Station name
42 -* Latitude and longitude
54 +* Latitude, longitude, elevation
43 43  * Names of team members present
44 -* Date and local time of installation
45 -* Serial number (SN) of the sensor
46 -* Detailed notes on the site conditions and setup
56 +* Date and both local & UTC time of installation/removal
57 +* Serial number (SN) of the TOP HALF of the sensor (if a BD3C-5, there is only one serial number)
58 +* Detailed notes on the site conditions and setup, anything else that will be helpful to find it again ("by the fence", "south of rock", etc)
47 47  
48 -== **2. Node Placement** ==
60 +[[HERE>>http://auspass.edu.au/field/NODES_blank_fieldlog.pdf]] is an example logsheet that works well for nodes, feel free to print and use!
61 +
62 +== 2. Node Placement ==
49 49  )))
50 50  
51 51  **Protection**: Place nodes inside (landfill) biodegradable bags to minimize cleaning and cross-site soil contamination.
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53 53  **Site Analysis**:
54 54  
55 55  * **Take compass measurements away from the sensor as it will affect your measurement.**
56 -* Take multiple photographs from various angles to document the site setup thoroughly.
57 -* Include a detailed site description in your notes, specifying distances and orientations from nearby landmarks (e.g. Richards garden, Te Mini steam field eastern side)
70 +* Take photographs from various angles to document the site setup thoroughly.
71 +* Include a detailed site description in your notes
58 58  
59 -== **3. GPS Considerations** ==
73 +== 3. GPS Considerations ==
60 60  
61 61  (% class="wikigeneratedid" %)
62 62  The GPS antenna is at the top and center of the unit, and will (usually) only receive signal with a clear sky view directly above. The signal is able to penetrate plastic and terracotta planters and a thin layer of soil, but may struggle if the soil layer is too thick. **These nodes will not start recording without attaining a GPS lock** and repeated attempts will excessively drain the battery.
63 63  
64 -== **4. Visibility and Location Marking** ==
78 +== 4. Visibility and Location Marking ==
65 65  
66 66  **Flag Placement**: Position a flag, preferably in a bright color (avoid green or yellow), near the instrument to aid in its future location.
67 67  
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70 70  * Use a GPS device to mark the instrument's exact location.
71 71  * Record this location in both your paper notes and the GPS device.
72 72  
73 -== (% style="color:inherit; font-family:inherit; font-size:max(18px, min(20px, 14.4444px + 0.462963vw))" %)**5. Charge Time, Pre-Deployment & Post-Deployment**(%%) ==
87 +== (% style="color:inherit; font-family:inherit; font-size:max(18px, min(20px, 14.4444px + 0.462963vw))" %)5. Charge Time, Pre-Deployment & Post-Deployment(%%) ==
74 74  
75 75  * **Charging Duration**: Both types of nodes take approximately 6-8 hours to fully charge from a flat state.
76 76  * **Pre-Deployment Charging**:
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84 84  * **Storage and Shipping Charge Level**:
85 85  ** Maintain a battery charge level of around 50-60% (e.g. "orange") for both storage and shipping purposes.
86 86  ** This charge level is recommended to prevent battery damage and is safe for transportation.
87 -** Nodes should not be stored fully charged, and it **they should especially not be stored with 0 charge.**
101 +** Nodes should not be stored fully charged, and **they should especially not be stored with 0 charge as this damages lithium batteries.**
88 88  
89 89  (((
90 -== **6. Data Sharing and Metadata Creation** ==
104 +== 6. Data Sharing and Metadata Creation ==
91 91  )))
92 92  
93 93  **GPS Data**:
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100 100  
101 101  **Metadata File**:
102 102  
103 -* Create and organize metadata according to the [[ANU metadata standard txt file>>attach:example_metadata.txt]].
117 +* Create and organize metadata according to the [[ANU metadata standard txt file>>attach:example_metadata.txt]]. This is going to be particularly important if you are reusing nodes at different sites... not documenting the serial numbers (of the **top half** of the node) and the times they were deployed can lead to station mix-ups.
104 104  
105 -== **7. Additional Best Practices** ==
119 +== 7. Additional Best Practices ==
106 106  
107 107  * **Training and Familiarisation**: Make sure all team members are adequately trained in using the GPS devices, compass use, and other equipment to ensure consistent and accurate data collection.
108 108  
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157 157  = **Charging Procedure for Seismic Nodes** =
158 158  
159 159  (((
160 -== **1. Preparation for Charging**: ==
174 +== 1. Preparation for Charging: ==
161 161  
162 162  * Before charging, ensure each node is clean. This involves removing any dirt or debris to maintain the integrity of the equipment and ensure effective charging.
163 163  )))
164 164  
165 165  (((
166 -== **2. Disassembling the Node**: ==
180 +== 2. Disassembling the Node: ==
167 167  
168 168  * For the IGU-16HR, remove the battery (bottom half) from the sensor. This is done by unscrewing the spikes counter-clockwise.
169 169  )))
170 170  
171 171  (((
172 -== **3. Setting Nodes in the Charging Box**: ==
186 +== 3. Setting Nodes in the Charging Box: ==
173 173  
174 174  * Place 1-16 IGU-16HR battery components upside-down into the charger, assuring they are oriented properly.
175 175  )))
176 176  
177 177  (((
178 -== **4. Monitoring the Charging Process**: ==
192 +== 4. Monitoring the Charging Process: ==
179 179  
180 180  * Once the nodes are set in the charging box and the charging process begins, lights adjacent to the batteries will illuminate. These lights indicate that charging is underway.
181 181  * Observe the transition of the lights from steady red to orange, then to green, and finally to flashing green. A flashing green light signifies that the batteries are fully charged. For storage, the goal is to charge them to ORANGE.
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182 182  )))
183 183  
184 184  (((
185 -== **5. Updating Charge Status**: ==
199 +== 5. Updating Charge Status: ==
186 186  
187 187  * During the charging period, take this opportunity to update the status of each unit. Check the //"C"// box on your temporary labels to indicate that the unit has been successfully charged.
188 188  * This step is crucial for tracking the charging status of multiple units, especially when handling a large number of nodes.
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199 199  
200 200  = **Downloading and Converting Seismic Data to MiniSeed Format** =
201 201  
202 -== **Node Registration and Software Setup** ==
216 +== Node Registration and Software Setup ==
203 203  
204 204  1. (((
205 205  **Registering Nodes in the System**:
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217 217  * Ignore the settings for seismic recordings in the subsequent window. Resetting instruments (e.g., sampling rate, gain) requires reprogramming via script.
218 218  )))
219 219  
220 -== **Data Downloading Process** ==
234 +== Data Downloading Process ==
221 221  
222 222  1. (((
223 223  **Initiating Data Download**:
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235 235  * Click “prepare” followed by “run” to start reformatting. Monitor this process in the small panel at the bottom left.
236 236  * (% class="box warningmessage" %)
237 237  (((
238 -* **Ensure to export data as "COUNTS", not "mV".**
252 +* **Ensure to export data as "COUNTS" (int32), not "mV" (float). This is critical!**
239 239  
240 -* **Set "Remove Gain" to the same decibel gain as during programming** **(by default ANU sets this to 24db for short period nodes (a factor of 15.848932), and 6db for broadband nodes).**
254 +* **Set "Remove Gain" to the same decibel gain as during programming. By default ANU sets this to 24db for short period nodes (a scaling factor of 15.848932), and 6db (a factor of 2.0) for broadband nodes.**
241 241  )))
242 242  )))
243 243  
244 -== **Handling Nodes During Download** ==
258 +== Handling Nodes During Download ==
245 245  
246 246  1. (((
247 247  **Monitoring Download Indicators**:
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258 258  * **Use fast external hard drives to avoid limitations in data harvesting.**
259 259  
260 260  * **Recommended specifications: USB-C, USB 3.0, and 4+ Tb of space.**
275 +* **The USB type for the harvester is TYPE-A, the typical normal rectangular shape.**
261 261  )))
262 262  )))
263 263  1. (((
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297 297  
298 298  = **Cleaning** =
299 299  
300 -**Procedure for Seismic Nodes:**
315 +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.
301 301  
302 -Top half:
303 -
304 -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.
305 -
306 -
307 307  = **Weights (for shipping)** =
308 308  
309 309  The weights of bags of nodes, as well as data harvesters and node chargers, are listed below:
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370 370  )))
371 371  )))
372 372  
373 -
383 += SmartSolo BD3C-16 Portable Battery Charger =
384 +
385 +[[image:20250729_125049 (1).jpg]]
386 +
387 +|**Dimensions (LxHxW)**|558 x 357 x 300mm
388 +|**Input rating**|100-210V - 50/60Hz
389 +|**Power**|1000W
390 +|**Weight**|14.5kg
391 +|**Weight with cables**|21kg
392 +
393 +SmartSolo IGU-16 Portable Data Harvester
394 +
395 +[[image:20250729_124747.jpg]]
396 +
397 +|**Dimensions (LxHxW)**|625 x 500 x 366mm
398 +|**Input rating**|100-210V - 50/60Hz
399 +|**Power**|100W
400 +|**Weight**|21.5 - 24kg
401 +|**Slots no.**|16
402 +|**Download Speed**|20MB/sec/slot
403 +
404 +SmartSolo IGU-16 Portable Battery Charger
405 +
406 +[[image:20250729_124747.jpg]]
407 +
408 +|**Dimensions (LxHxW)**|625 x 500 x 366mm
409 +|**Input rating**|100-210V - 50/60Hz
410 +|**Power**|640W
411 +|**Weight**|26.3kg
412 +|**Slots no.**|16
413 +
414 +SmartSolo IGU-16 Carry Bag
415 +
416 +|**Dimensions (LxHxW)**|230 x 340 x 310mm
417 +|**Slots no.**|6
418 +
419 +SmartSolo IGU-16 Carry Bag
420 +
421 +|**Dimensions (LxHxW)**|230 x 340 x 310mm
422 +|**Slots no.**|6
374 374  )))
375 375  )))
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