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Changes for page ANU Seismic Data Loggers

Last modified by robert on 2025/04/24 14:58
From version 38.1
edited by robert
on 2025/03/03 18:09
Change comment: There is no comment for this version
To version 32.1
edited by Jack Dent
on 2024/12/19 13:04
Change comment: There is no comment for this version

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4 4  ANU has designed and built three generations of seismic data recorders, two of which (the small yellow TerraSAWR and the larger beige LPR-200) are still in use today. Despite their contrasting appearance, they both use the same software, data cards, and have the same instrument response.
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6 6  
7 -
8 8  = Data Card Formatting and Information =
9 9  
10 10  Both the TerraSAWR and LPR-200 require SD Cards to be formatted in FAT32 filesystem. For 64Gb cards it can be difficult to format in FAT32, but [[software >>http://auspass.edu.au/field/fat32cardformatter.exe]]is available. ANU recommend SanDisk Extreme 150 mb/s cards in either 32 or 64Gb size. We strongly discourage using cards larger than 64Gb, and in general smaller cards are less likely to fail. We have also found that "adapter" cards (e.g. SD to microSD) are prone to having write issues and **strongly** advise against them.
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38 38  
39 39  SITE15G02500039999 2
40 40  
41 -corresponding to site SITE1, 
46 +corresponding to site SITE1,
42 42  
43 43   network 5G
44 44   sample rate 0250, (i.e. 250 Hz)
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52 52  
53 53  The process for formatting an SD card within the logger is straightforward. Navigate to the "SD INFORMATION" screen and press ERASE SD CARD. This process may take up to a minute. This will result in erasing all files from the card. Upon starting recording, a new 'seed' will be written containing all the information that the logger has been set with FINISH THIS SECTION
54 54  
55 -[[image:original_0747763c-e3dd-4667-b897-833f12c8e0b8_20241219_130604.jpg||height="240" width="298"]]
56 56  
57 57  Here is a general guideline for how much data you can expect to fit on a card:
58 58  
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63 63  
64 64  = Logger Menus Overview (and setup) =
65 65  
66 -The same menus are used in both the TSAWR and LPR-200 loggers.
70 +The same menus are used in both types of loggers.
67 67  
68 68  == System Information ==
69 69  
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91 91  - Common representations of poor signals include channels sloping smoothly from high values to zero, or sharp corners in the plots.
92 92  
93 93  
94 -== GPS Data ==
98 +== GPS ==
95 95  
96 96  This menu displays the status of the stations' GPS connection. The screen lists; UTC time, UTC date, latitude, longitude, altitude, number of satellite connections, and SNR.
97 97  
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142 142  NOTE: Ensure the 'RECORD ON RESTART' option is marked with a cross.
143 143  )))
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148 148  == STA/LTA Configuration ==
149 149  
150 -The Short Term Average and Long Term Average Configuration screen is no longer used.
151 +-
151 151  
153 += =
152 152  
153 153  = LogFile Conversion Script =
154 154  
155 155  Both the TSAWR and LPR-200 write logging information as a binary "dat" file which includes GPS time syncs, temperatures, battery power, and position. To convert them into ASCII you can read, use [[THIS PYTHON SCRIPT>>http://auspass.edu.au/field/anusr_log.py]].
156 156  
159 += =
157 157  
158 158  = Instrument Response =
159 159  
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260 260  )))
261 261  )))
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