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Last modified by robert on 2026/06/29 16:42
From version 110.2
edited by Jack Dent
on 2026/06/15 09:47
Change comment: (Autosaved)
To version 100.1
edited by robert
on 2026/02/13 22:02
Change comment: There is no comment for this version

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1 -XWiki.JackD
1 +XWiki.robert
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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)**
9 +* **SmartSolo IGU 16HR 3C (5 Hz, 'very' short period)**
10 10  * **SmartSolo BD3C-5 (5 second, short period)**
11 -* **SmartSolo IGU-16 1C (5 Hz, 'very' short period, single channel. Not 'HR')**
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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312 312  
313 313  * Once a new project is created, the Data Transfer View panel will display connected nodes with details like series number and data size.
314 314  * If “Prospect not matched” appears, it simply means the new project doesn’t match the original programming project. This is not a concern.
315 -* Select all nodes and right-click to “force download”. This starts the download process.[[image:Smartsolo harvesting #4 copy.png]]
313 +* Select all nodes and right-click to “force download”. This starts the download process.
316 316  * Completed downloads will appear as new folders in the Downloaded Data panel.
317 317  )))
318 318  1. (((
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319 319  **Exporting Data in Readable Format**:
320 320  
321 321  * Go to the “Tool” menu and select “export seismic data”.
322 -* Tailor other parameters to project preference and ensure "Sample Interval" matches the setting used during node reset.
323 -* **Ensure export data is set to "COUNTS" (int32), not "mV" (float). This is critical!**
324 -* 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.
325 -Set 'Remove DC' to 'Yes' to centre the data around the zero value
326 -Set the correct Start Time (UTC) and End Time (UTC) of the project to prevent the unnecessary export of older data
327 -* [[image:Smartsolo harvesting #9 copy.png]]
320 +* Tailor other parameters to personal preference and ensure "Sample Interval" matches the setting used during node reset.
321 +* Click “prepare” followed by “run” to start reformatting. Monitor this process in the small panel at the bottom left.
328 328  * (% class="box warningmessage" %)
329 329  (((
330 -
331 -)))Click “prepare” followed by “run” to start reformatting. Monitor this process in the small panel at the bottom left.
324 +* **Ensure to export data as "COUNTS" (int32), not "mV" (float). This is critical!**
325 +
326 +* **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.**
332 332  )))
328 +)))
333 333  
334 334  == Smart Solo IGU-16HR Polarity Notice ==
335 335  
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395 395  **Finalizing the Download**:
396 396  
397 397  * After downloading, mark the //"D"// box on your temporary labels to indicate completion.
394 +
395 +
398 398  )))
399 399  
398 +[[image:1706153266647-145.png||data-xwiki-image-style-alignment="center" height="340" width="603"]]
400 400  
401 401  
402 402  
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417 417  
418 418  ----
419 419  
420 -= Instrument Response =
421 -
422 -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]]
423 -
424 -== IGU 16HR-3C ==
425 -
426 - '16HR3C': {'poles':[(-22.211059+22.217768j), (-22.211059-22.217768j)],
427 - 'zeros':[0j, 0j],
428 - 'gain':1,
429 - 'sensitivity': 257019225.55108312}
430 -
431 -[[X axis is samples (.01 s), Y axis is velocity (m/s), 0.5-5 Hz filter>>image:IGU16_Z_huddle.png]]
432 -
433 -[[X axis is samples (.01 s), Y axis is velocity (m/s), 0.5-5 Hz bandpass filter>>image:IGU16_N_huddle.png]]
434 -
435 -== IGU 16-1C ==
436 -
437 -The 1C nodes seem to have the same response as the 3-channel IGU-16HR-3C (above), however the response posted at IRIS-NRL seems to imply that there is no poles and zeros information (e.g. a flat/linear response). This is 100% not so.
438 -
439 -[[IGU-16 1C, X axis is samples (.01 s), Y axis is velocity (m/s), 0.5-5 Hz bandpass filter. Seems to be same response as IGU-16HR-3C.>>image:IGU16_1C_Z_huddle.png]]
440 -
441 -== BD3C-5 ==
442 -
443 - 'BD3C': {'poles':[(-1720.4+0j), (-1.2+0.9j), (-1.2-0.9j)],
444 - 'zeros':[(14164+0j), (-7162+0j), 0j, 0j],
445 - 'gain':1.69726e-05,
446 - 'sensitivity': 702651512.6046528}
447 -
448 -Above 0.5 Hz, the BD3C-5 response fits well:
449 -
450 -[[X axis is samples (.01 s), Y axis is velocity (m/s), 0.5-5 Hz filter>>image:BD3C_Z_huddle.0.5.png]]
451 -
452 -[[X axis is samples (.01 s), Y axis is velocity (m/s), 0.5-5 Hz bandpass filter>>image:BD3C_N_huddle.0.5.png]]
453 -
454 -(% class="wikigeneratedid" %)
455 -Below the corner frequency (0.2 Hz) the phase response still fares well, but amplitude response may need to be dialed in a bit (it seems a bit high). In the next two figures the filter is **0.1** to 5 Hz:
456 -
457 -
458 -[[BD3C **0.1 **to 5 Hz bandpass filter>>image:BD3C_Z_huddle.0.1.png]]
459 -
460 -[[BD3C **0.1** to 5 Hz bandpass filter>>image:BD3C_N_huddle.0.1.png]]
461 -
462 -== IGU-16 Horizontal noise & how to avoid ==
463 -
464 -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.
465 -
466 -[[IGU-16HR-3C 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]]
467 -
468 -(% class="wikigeneratedid" %)
469 -The BD3C-5 nodes do not have this issue:
470 -
471 -[[BD3C-5 test, as above. There is no additional noise on the horizontal channels.>>image:BD3C_psd.png]]
472 -
473 473  = **Cleaning** =
474 474  
475 -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.
421 +When assembled, the nodes are water resistant but not submersible. They can handle a good spray and wipe-down. A strong, non-wire brush is helpful to reach areas between the metal spikes on the bottom.
476 476  
477 477  = **Weights (for shipping)** =
478 478  
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572 572  |**Dimensions (LxHxW)**|558 x 357 x 300mm
573 573  |**Input rating**|100-210V - 50/60Hz
574 574  |**Power**|1000W
575 -|**Weight**|14.5 kg
576 -|**Weight with cables**|21 kg
521 +|**Weight**|14.5kg
522 +|**Weight with cables**|21kg
577 577  )))
578 578  
579 579  (% class="box" id="HSmartSoloBD3C-16PortableBatteryCharger" %)
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585 585  |**Dimensions (LxHxW)**|625 x 500 x 366mm
586 586  |**Input rating**|100-210V - 50/60Hz
587 587  |**Power**|100W
588 -|**Weight**|21.5 - 24 kg
589 -|**Capacity**|16 nodes
534 +|**Weight**|21.5 - 24kg
535 +|**Slots no.**|16
590 590  |**Download Speed**|20MB/sec/slot
591 591  )))
592 592  
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596 596  
597 597  [[image:20250729_124644.jpg]]
598 598  
599 -|**Dimensions (LxHxW)**|625 x 500 x 366 mm
600 -|**Input rating**|100-210V - 50/60 Hz
601 -|**Power**|640 W
602 -|**Weight**|26.3 kg
603 -|**Capacity**|16 nodes
545 +|**Dimensions (LxHxW)**|625 x 500 x 366mm
546 +|**Input rating**|100-210V - 50/60Hz
547 +|**Power**|640W
548 +|**Weight**|26.3kg
549 +|**Slots no.**|16
604 604  )))
605 605  
606 606  (% class="box" %)
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610 610  [[image:20250729_124957.jpg]]
611 611  
612 612  
613 -|**Dimensions (LxHxW)**|590 x 225 x 405 mm
614 -|**Weight**|8.2 kg
615 -|**Capacity**|6 nodes
559 +|**Dimensions (LxHxW)**|590 x 225 x 405mm
560 +|**Weight**|8.2kg
561 +|**Slots no.**|6
616 616  )))
617 617  
618 618  (% class="box" %)
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627 627  
628 628  18.0kg (full)
629 629  )))
630 -|**Capacity**|6 nodes
576 +|**Capacity**|6
631 631  )))
632 632  
633 633  (% class="box" %)
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638 638  
639 639  |**Dimensions (LxHxW)**|225 x 200 x 550mm
640 640  |**Weight**|
641 -|**Capacity**|8 nodes
587 +|**Capacity**|8
642 642  )))
643 643  )))
644 644  )))
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