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Changes for page Seismometers

Last modified by santi on 2025/07/23 15:43
From version 40.1
edited by robert
on 2025/03/25 09:14
Change comment: There is no comment for this version
To version 43.1
edited by santi
on 2025/07/22 18:38
Change comment: There is no comment for this version

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Author
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1 -XWiki.robert
1 +XWiki.santi
Content
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14 14  
15 15  The Trillium Compact 120 has sensitivity band between 120 seconds and 100 Hz but is prone to corrosion when buried for long periods. They have a tilt tolerance of ~~10° but come with adjustable feet for leveling.
16 16  
17 - For more information, refer to the Nanometrics instrument information sheet: [[https:~~/~~/nanometrics.ca/hubfs/Downloads/Data%20Sheets/trillium_compact.pdf?hsLang=en-ca>>https://nanometrics.ca/hubfs/Downloads/Data%20Sheets/trillium_compact.pdf?hsLang=en-ca]]
17 + For more information, refer to the [[Nanometrics Trillium Compact information sheet>>https://nanometrics.ca/hubfs/Downloads/Data%20Sheets/trillium_compact.pdf?hsLang=en-ca]]: [[https:~~/~~/nanometrics.ca/hubfs/Downloads/Data%20Sheets/trillium_compact.pdf?hsLang=en-ca>>https://nanometrics.ca/hubfs/Downloads/Data%20Sheets/trillium_compact.pdf?hsLang=en-ca]]
18 18  
19 19  === Trillium Compact 20 ===
20 20  
21 -The Trillium compact has a recording range between 20 seconds and 100 Hz. but is prone to corrosion when buried for long periods. They have a tilt tolerance of ~~10° but come with adjustable feet for leveling.
21 +The Trillium Compact 20 looks identical to the Trillium Compact 120 and has a recording range between 20 seconds and 100 Hz. but is prone to corrosion when buried for long periods. They have a tilt tolerance of ~~10° but come with adjustable feet for leveling.
22 22  
23 23  For more information, refer to the Nanometrics instrument information sheet: [[https:~~/~~/nanometrics.ca/hubfs/Downloads/Data%20Sheets/trillium_compact.pdf?hsLang=en-ca>>https://nanometrics.ca/hubfs/Downloads/Data%20Sheets/trillium_compact.pdf?hsLang=en-ca]]
24 24  
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51 51  
52 52  = Channel and Instrument conventions =
53 53  
54 -We follow FDSN guidelines for sensor channel and type naming conventions, outlined at [[SAGE / IRIS>>https://ds.iris.edu/ds/nodes/dmc/data/formats/seed-channel-naming/]]
54 +We follow FDSN guidelines for sensor channel and type naming conventions, outlined at [[SAGE / IRIS>>https://ds.iris.edu/ds/nodes/dmc/data/formats/seed-channel-naming/]] and also copied below:
55 +
56 +|=Band code|=Band type|=Sample rate (Hz)|=Corner period (sec)
57 +|F|…|≥ 1000 to < 5000|≥ 10 sec
58 +|G|…|≥ 1000 to < 5000|< 10 sec
59 +|D|…|≥ 250 to < 1000|< 10 sec
60 +|C|…|≥ 250 to < 1000|≥ 10 sec
61 +|E|Extremely Short Period|≥ 80 to < 250|< 10 sec
62 +|S|Short Period|≥ 10 to < 80|< 10 sec
63 +|H|High Broad Band|≥ 80 to < 250|≥ 10 sec
64 +|B|Broad Band|≥ 10 to < 80|≥ 10 sec
65 +|M|Mid Period|> 1 to < 10|
66 +|L|Long Period|≈ 1|
67 +|V|Very Long Period|≈ 0.1|
68 +|U|Ultra Long Period|≈ 0.01|
69 +|R|Extremely Long Period|≥ 0.0001 to < 0.001|
70 +|P|On the order of 0.1 to 1 day ^^1^^|≥ 0.00001 to < 0.0001|
71 +|T|On the order of 1 to 10 days ^^1^^|≥ 0.000001 to < 0.00001|
72 +|Q|Greater than 10 days ^^1^^|< 0.000001|
73 +|A|Administrative Instrument Channel|variable|NA
74 +|O|Opaque Instrument Channel|variable|NA
55 55  )))
56 56  
57 57  (% class="col-xs-12 col-sm-4" %)