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Last modified by robert on 2026/02/27 19:58
From version 105.2
edited by robert
on 2026/02/17 12:43
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To version 94.3
edited by KB
on 2026/01/19 11:59
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1 -XWiki.robert
1 +XWiki.KB
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6 6  
7 7  ANSIR supply two types of three-channel nodes, and one type of one-channel node:
8 8  
9 -* **SmartSolo IGU-16HR 3C (5 Hz, 'very' short period)**
10 -* **SmartSolo BD3C-5 (5 second, short period)**
11 -* **SmartSolo IGU-16 1C (5 Hz, 'very' short period, single channel. Not 'HR')**
9 +* **SmartSolo IGU 16HR 3C (5 Hz 'Very' Short Period)**
10 +* **SmartSolo BD3C-5 (5 Second Short Period)**
11 +* **SmartSolo IGU 16 1C (5 Hz 'Very' Short Period, single channel)**
12 12  
13 -Visit the [[SmartSolo page>>https://smartsolo.com/igu.html]] for more detail.
14 -
15 15  The three-channel nodes have a theoretical battery capacity of ~~30 days, whereas the single-channel type has a capacity of ~~50 days. The programming, operation and downloading procedures for all types of SmartSolo nodes are also similar.
16 16  
17 17  (% class="box infomessage" %)
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25 25  
26 26  The nodes must be programmed in the SoloLite software prior to use. The screenshots below show our recommended parameters for the 5 Hz (16HR-3C) and 5 second (BDC3-5) nodes.
27 27  
28 -[[IGU16HR-3C programming screen set at 250 Hz. Ensure circled areas are set!>>image:5Hz_node_programming.labels.png||alt="IGU-16 3C programming screen"]]
26 +[[IGU-16 3C programming screen set at 250 Hz. Ensure that the circled areas are set!>>image:5Hz_node_programming.labels.png||alt="IGU-16 3C programming screen"]]
29 29  
30 -[[BD3C-5 programming screen set at 250 Hz. Ensure circled areas are set!>>image:5S_node_programming.labels.png||alt="BD3C-5 programming screen set at 250 hz. Ensure that the circled areas are set!"]]
28 +[[BD3C-5 programming screen set at 250 hz. Ensure that the circled areas are set!>>image:BB_programming.labels.png||alt="BD3C-5 programming screen"]]
31 31  
32 -
33 33  FIFO (first in, first out) data mode is safest as this will overwrite old data in case you forgot to clear the storage. At <= 250 hz you can fit 4++ months of data on these, shouldn't be an issue.
34 34  
35 35  Note that the samplerate is instead given in sample spacing, in milliseconds. 4 ms = 250 Hz, 1 ms = 1000 Hz, 10 ms = 100 Hz, ad nauseam.
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44 44  
45 45  GPS is best set to cycle mode (e.g. once per hour) instead of constant "always on". The clock drift on these are almost nil even if there is no sync at all, so it's best to conserve power.
46 46  
47 -Bluetooth (BD3C-5 only) should be turned OFF to conserve power.
44 +Bluetooth (BB nodes only) should be turned OFF to conserve power.
48 48  
49 -We recommend that the 16HR-3C be set to a gain of 24db for passive experiments 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) for passive experiments (or 0 db if active).
46 +We recommend that the SP 16HR-3C be set to a gain of 24db for passive experiments 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) for passive experiments (or 0 db if active).
50 50  
51 51  {{info}}
52 52  **Note that any applied instrument gain must be removed when exporting (e.g. to miniseed) after your deploy, **otherwise amplitudes will be a factor of either 15.84893192 (24db) or 2 (6db) too high!
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69 69  
70 70  == Animal-Proofing ==
71 71  
72 -We have experienced interference from animals (foxes, dogs, goats) digging up and carrying nodes off for tens or hundreds of metres. It is helpful to minimise human and food smells (particularly on the rope handles) when working in areas where this is a risk. Or, wipe down affected nodes with 50-80% methylated spirits if extensive handling can not be avoided.
69 +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.
73 73  
74 -If you come to collect your node and it is missing~-~- LOOK FOR IT! It may not have gotten far. We have found dozens of nodes by spending 15 minutes looking for them.
75 -
76 76  = **Installation** =
77 77  
78 78  (% class="box infomessage" %)
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97 97  == 2. Node Placement ==
98 98  )))
99 99  
95 +**Protection**: Place nodes inside (landfill) biodegradable bags to minimize cleaning and cross-site soil contamination.
96 +
100 100  **Site Analysis**:
101 101  
102 102  * **Take compass measurements away from the sensor as it will affect your measurement.**
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127 127  ** When recording at 250 Hz, with GPS on and Bluetooth disabled, the instruments are expected to last about 30 days per charge cycle. If they are set to run only overnight, this can be extended to 60 days.
128 128  
129 129  * **Post-Retrieval Charging**:
130 -** After retrieval, charge the instruments to about 50-60% (indicated by ORANGE LED) unless they are to be immediately re-deployed or transported.
131 -* **State of Charge (SoC) for Storage**:
132 -** Maintain a battery charge level of around 50-60% (i.e., ORANGE) for storage.
133 -** This charge level is recommended to prevent battery damage, and should be checked every six months.
134 -** Nodes should //__not be stored at full-charge (GREEN), or 0-charge (RED).__//
135 -** Storage at 0-charge damages lithium batteries**.**
136 -* **SoC for Transport:**
137 -** Charge levels for transport will be advised by the freighter. The required SoC will depend on volume and transport method (air, land, sea).
127 +** After retrieval, charge the instruments to about 50-60% (indicated as "orange" level) unless they are to be immediately re-deployed.
128 +* **Storage and Shipping Charge Level**:
129 +** Maintain a battery charge level of around 50-60% (e.g. "orange") for both storage and shipping purposes.
130 +** This charge level is recommended to prevent battery damage and is safe for transportation.
131 +** Nodes should not be stored fully charged, and **they should especially not be stored with 0 charge as this damages lithium batteries.**
138 138  
139 139  (((
140 140  == 6. Data Sharing and Metadata Creation ==
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142 142  
143 143  **GPS Data**:
144 144  
145 -* Ensure you have __carefully documented__ precise lat/lon locations for each station.
139 +* Ensure you have documented precise lat/lon locations for each station and **DOCUMENTED THIS CAREFULLY**
146 146  
147 147  **Photo Sharing**:
148 148  
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215 215  (((
216 216  == 2. Disassembling the Node: ==
217 217  
218 -* For the IGU-16HR, remove the battery section (bottom half) from the sensor by unscrewing the spike section counter-clockwise.
212 +* For the IGU-16HR, remove the battery (bottom half) from the sensor. This is done by unscrewing the spikes counter-clockwise.
219 219  )))
220 220  
221 221  (((
222 222  == 3. Setting Nodes in the Charging Box: ==
223 223  
224 -* Connect to a safe indoor power supply, and turn on (red rocker switch).
225 -* Charging will begin automatically when nodes are inserted in the charging rack.
226 -* Place IGU-16HR battery sections upside-down in the rack, oriented with the terminal connectors.
218 +* Place 1-16 IGU-16HR battery components upside-down into the charger, assuring they are oriented properly.
227 227  )))
228 228  
229 229  (((
230 230  == 4. Monitoring the Charging Process: ==
231 231  
232 -* Lights adjacent to the batteries will illuminate, indicating that charging is underway.
233 -* Observe the transition of the lights from steady RED to ORANGE, then GREEN, and finally to FLASHING GREEN. A flashing green light indicates the batteries are fully charged.
224 +* 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.
225 +* 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.
234 234  )))
235 235  
236 236  (((
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331 331  
332 332  == Smart Solo IGU-16HR Polarity Notice ==
333 333  
334 -See [[5Hz Node Polarity Issues>>https://auspass.edu.au/xwiki/bin/view/Data/AusPass%20Data/#HSmartSoloNodePolarityIssues]] for discussion. If data is headed to AusPass, we prefer to invert the IGU-16HR channel data manually rather than in the SoloLite software or inverting the response metadata.
326 +See [[https:~~/~~/auspass.edu.au/xwiki/bin/view/Data/AusPass%20Data/#HSmartSoloNodeZPolaritybug>>https://auspass.edu.au/xwiki/bin/view/Data/AusPass%20Data/#HSmartSoloNodeZPolaritybug]] for discussion. If data is headed to AusPass, we prefer to invert the IGU-16HR channel data manually rather than in the SoloLite software or inverting the response metadata.
335 335  
336 -**The BD3C-5 data does not require any sort of polarity inversion.**
328 +**The BD3C-5 data does not require a polarity inversion.**
337 337  
338 338  == 18 Leap Second bug ==
339 339  
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418 418  
419 419  ----
420 420  
421 -= Instrument Response =
422 -
423 -We are aware that there are various different published responses for these instruments and trust very few of them. One has to be careful with how polarity is handled between groups as well, and if one is working in integer counts (the ANSIR default) or mV (unclear why anyone would use this as it makes file sizes enormous). The response information published below is in **counts** and seems to fit well in huddle tests. Note that the response is the same for all channels and all units (e.g. there are no bespoke calibrations!), all appear to be sample rate insensitive, and the IGU data has been inverted (multiplied by -1) as described here: [[5Hz Node Polarity Issues>>https://auspass.edu.au/xwiki/bin/view/Data/AusPass%20Data/#HSmartSoloNodePolarityIssues]]
424 -
425 -== IGU 16HR-3C ==
426 -
427 - '16HR3C': {'poles':[(-22.211059+22.217768j), (-22.211059-22.217768j)],
428 - 'zeros':[0j, 0j],
429 - 'gain':1,
430 - 'sensitivity': 257019225.55108312}
431 -
432 -[[X axis is samples (.01 s), Y axis is velocity (m/s), 0.5-5 Hz filter>>image:IGU16_Z_huddle.png]]
433 -
434 -[[X axis is samples (.01 s), Y axis is velocity (m/s), 0.5-5 Hz filter>>image:IGU16_N_huddle.png]]
435 -
436 -== IGU 16-1C ==
437 -
438 -The 1C nodes seem to have a slightly different response to the 3C (TBA)
439 -
440 -== BD3C-5 ==
441 -
442 - 'BD3C': {'poles':[(-1720.4+0j), (-1.2+0.9j), (-1.2-0.9j)],
443 - 'zeros':[(14164+0j), (-7162+0j), 0j, 0j],
444 - 'gain':1.69726e-05,
445 - 'sensitivity': 702651512.6046528}
446 -
447 -*image TBA but they have been created in the past~-~- we are 100% confident our published responses are correct
448 -
449 -== Horizontal noise & how to avoid ==
450 -
451 -The 5 Hz nodes are susceptible to horizontal noise due to the placement of geophones in the units, **but this can be mitigated by completely burying the units flush with the ground.** In the below example, the node was set on the floor of our basement set on its plastic carrying case support. As such the amount of horizontal noise noticeably increases above ~~ 10Hz.
452 -
453 -[[Power spectrum huddle test vs a CMG-6TD (S1) and TC120/Centaur combo. The N and E channels have excess noise above 10Hz due to "sticking up" out of the ground.>>image:IGU16_spectrum.png]]
454 -
455 455  = **Cleaning** =
456 456  
457 -When assembled, the nodes are water resistant but not submersible. They can handle a good spray and wipe-down. A stiff plastic brush is helpful to reach areas between the metal spikes on the bottom.
415 +When still connected, the nodes are water resistant (don't submerge them!) and can handle a good spray / wipe-down. A strong, non-wire brush is helpful to reach areas between the metal spikes on the bottom.
458 458  
459 459  = **Weights (for shipping)** =
460 460  
461 461  The weights of bags of nodes, as well as data harvesters and node chargers, are listed below:
462 462  
463 -1 bag + 6*IGU-16HR nodes: 18 kg
421 +1 bag + 6 SP (IGU-16HR) nodes: 18 kg
464 464  
465 -1*IGU-16HR data harvester: 21.5 kg
423 +1 SP (IGU-16HR) data harvester: 21.5 kg
466 466  
467 -1*IGU-16HR charger: 26.3 kg
425 +1 SP (IGU-16HR) charger: 26.3 kg
468 468  
469 -1*BD3C-5 charger (with and without 16 cables): 21 kg / 14.5 kg
427 +1 BB (BD3C-5) charger/data harvester (with and without 16 cables): 21 kg / 14.5 kg
470 470  
471 -1 case + 5*BD3C-5 nodes: 22 kg (aggregate battery weight <5kg, 168Wh)
472 -
473 -1 case + 6*BD3C-5 nodes: 25 kg (aggregate battery weight >5kg, 168Wh)
429 +1 case + 5 BB (BD3C-5) nodes and 6 BB nodes: 22 kg / 25 kg
474 474  )))
475 475  
476 476  (% class="col-xs-12 col-sm-4" %)
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554 554  |**Dimensions (LxHxW)**|558 x 357 x 300mm
555 555  |**Input rating**|100-210V - 50/60Hz
556 556  |**Power**|1000W
557 -|**Weight**|14.5 kg
558 -|**Weight with cables**|21 kg
513 +|**Weight**|14.5kg
514 +|**Weight with cables**|21kg
559 559  )))
560 560  
561 561  (% class="box" id="HSmartSoloBD3C-16PortableBatteryCharger" %)
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567 567  |**Dimensions (LxHxW)**|625 x 500 x 366mm
568 568  |**Input rating**|100-210V - 50/60Hz
569 569  |**Power**|100W
570 -|**Weight**|21.5 - 24 kg
571 -|**Capacity**|16 nodes
526 +|**Weight**|21.5 - 24kg
527 +|**Slots no.**|16
572 572  |**Download Speed**|20MB/sec/slot
573 573  )))
574 574  
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578 578  
579 579  [[image:20250729_124644.jpg]]
580 580  
581 -|**Dimensions (LxHxW)**|625 x 500 x 366 mm
582 -|**Input rating**|100-210V - 50/60 Hz
583 -|**Power**|640 W
584 -|**Weight**|26.3 kg
585 -|**Capacity**|16 nodes
537 +|**Dimensions (LxHxW)**|625 x 500 x 366mm
538 +|**Input rating**|100-210V - 50/60Hz
539 +|**Power**|640W
540 +|**Weight**|26.3kg
541 +|**Slots no.**|16
586 586  )))
587 587  
588 588  (% class="box" %)
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592 592  [[image:20250729_124957.jpg]]
593 593  
594 594  
595 -|**Dimensions (LxHxW)**|590 x 225 x 405 mm
596 -|**Weight**|8.2 kg
597 -|**Capacity**|6 nodes
551 +|**Dimensions (LxHxW)**|590 x 225 x 405mm
552 +|**Weight**|8.2kg
553 +|**Slots no.**|6
598 598  )))
599 599  
600 600  (% class="box" %)
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604 604  [[image:20250729_124502.jpg]]
605 605  
606 606  |**Dimensions (LxHxW)**|230 x 340 x 310mm
607 -|**Weight**|(((
608 -3.6kg (empty)
609 -
610 -18.0kg (full)
563 +|**Weight**|3.6kg
564 +|**Slots no.**|6
611 611  )))
612 -|**Capacity**|6 nodes
613 -)))
614 614  
615 615  (% class="box" %)
616 616  (((
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620 620  
621 621  |**Dimensions (LxHxW)**|225 x 200 x 550mm
622 622  |**Weight**|
623 -|**Capacity**|8 nodes
575 +|**Slots no.**|6
624 624  )))
625 625  )))
626 626  )))
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