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Last modified by robert on 2026/02/27 19:58
From version 104.1
edited by robert
on 2026/02/16 18:29
Change comment: There is no comment for this version
To version 97.1
edited by KB
on 2026/01/19 13:47
Change comment: There is no comment for this version

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23 23  
24 24  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.
25 25  
26 -[[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 +[[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" data-xwiki-image-label="IGU-16 3C programming screen set at 250 Hz. Ensure that the circled areas are set!"]]
27 27  
28 28  [[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!"]]
29 29  
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69 69  
70 70  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.
71 71  
72 -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.
73 -
74 74  = **Installation** =
75 75  
76 76  (% class="box infomessage" %)
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329 329  
330 330  == Smart Solo IGU-16HR Polarity Notice ==
331 331  
332 -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.
330 +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.
333 333  
334 -**The BD3C-5 data does not require any sort of polarity inversion.**
332 +**The BD3C-5 data does not require a polarity inversion.**
335 335  
336 336  == 18 Leap Second bug ==
337 337  
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416 416  
417 417  ----
418 418  
419 -= Instrument Response =
420 -
421 -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]]
422 -
423 -== IGU 16HR-3C ==
424 -
425 - '16HR3C': {'poles':[(-22.211059+22.217768j), (-22.211059-22.217768j)],
426 - 'zeros':[0j, 0j],
427 - 'gain':1,
428 - 'sensitivity': 257019225.55108312}
429 -
430 -[[X axis is samples (.01 s), Y axis is velocity (m/s)>>image:IGU16_Z_huddle.png]]
431 -
432 -[[X axis is samples (.01 s), Y axis is velocity (m/s)>>image:IGU16_N_huddle.png]]
433 -
434 -== IGU 16-1C ==
435 -
436 -The 1C nodes seem to have a slightly different response to the 3C (TBA)
437 -
438 -== BD3C-5 ==
439 -
440 - 'BD3C': {'poles':[(-1720.4+0j), (-1.2+0.9j), (-1.2-0.9j)],
441 - 'zeros':[(14164+0j), (-7162+0j), 0j, 0j],
442 - 'gain':1.69726e-05,
443 - 'sensitivity': 702651512.6046528}
444 -
445 -*image TBA but they have been created in the past~-~- we are 100% confident our published responses are correct
446 -
447 -== Horizontal noise & how to avoid ==
448 -
449 -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.
450 -
451 -[[Power spectrum huddle test vs a CMG-6TD (S1) and TC120/Centaur combo, all filtered 0.5-5 Hz. The N and E channels have excess noise above 10Hz due to "sticking up" out of the ground.>>image:IGU16_spectrum.png]]
452 -
453 453  = **Cleaning** =
454 454  
455 455  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.
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552 552  |**Dimensions (LxHxW)**|558 x 357 x 300mm
553 553  |**Input rating**|100-210V - 50/60Hz
554 554  |**Power**|1000W
555 -|**Weight**|14.5 kg
556 -|**Weight with cables**|21 kg
519 +|**Weight**|14.5kg
520 +|**Weight with cables**|21kg
557 557  )))
558 558  
559 559  (% class="box" id="HSmartSoloBD3C-16PortableBatteryCharger" %)
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565 565  |**Dimensions (LxHxW)**|625 x 500 x 366mm
566 566  |**Input rating**|100-210V - 50/60Hz
567 567  |**Power**|100W
568 -|**Weight**|21.5 - 24 kg
569 -|**Capacity**|16 nodes
532 +|**Weight**|21.5 - 24kg
533 +|**Slots no.**|16
570 570  |**Download Speed**|20MB/sec/slot
571 571  )))
572 572  
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576 576  
577 577  [[image:20250729_124644.jpg]]
578 578  
579 -|**Dimensions (LxHxW)**|625 x 500 x 366 mm
580 -|**Input rating**|100-210V - 50/60 Hz
581 -|**Power**|640 W
582 -|**Weight**|26.3 kg
583 -|**Capacity**|16 nodes
543 +|**Dimensions (LxHxW)**|625 x 500 x 366mm
544 +|**Input rating**|100-210V - 50/60Hz
545 +|**Power**|640W
546 +|**Weight**|26.3kg
547 +|**Slots no.**|16
584 584  )))
585 585  
586 586  (% class="box" %)
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590 590  [[image:20250729_124957.jpg]]
591 591  
592 592  
593 -|**Dimensions (LxHxW)**|590 x 225 x 405 mm
594 -|**Weight**|8.2 kg
595 -|**Capacity**|6 nodes
557 +|**Dimensions (LxHxW)**|590 x 225 x 405mm
558 +|**Weight**|8.2kg
559 +|**Slots no.**|6
596 596  )))
597 597  
598 598  (% class="box" %)
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602 602  [[image:20250729_124502.jpg]]
603 603  
604 604  |**Dimensions (LxHxW)**|230 x 340 x 310mm
605 -|**Weight**|(((
606 -3.6kg (empty)
607 -
608 -18.0kg (full)
569 +|**Weight**|3.6kg
570 +|**Slots no.**|6
609 609  )))
610 -|**Capacity**|6 nodes
611 -)))
612 612  
613 613  (% class="box" %)
614 614  (((
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618 618  
619 619  |**Dimensions (LxHxW)**|225 x 200 x 550mm
620 620  |**Weight**|
621 -|**Capacity**|8 nodes
581 +|**Slots no.**|6
622 622  )))
623 623  )))
624 624  )))
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