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Changes for page ANU Seismic Data Loggers

Last modified by robert on 2025/06/27 16:42
From version 31.4
edited by Jack Dent
on 2024/12/19 13:04
Change comment: There is no comment for this version
To version 44.1
edited by robert
on 2025/03/03 18:26
Change comment: There is no comment for this version

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1 -XWiki.JackD
1 +XWiki.robert
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43 43  
44 44  SITE15G02500039999 2
45 45  
46 -corresponding to site SITE1,
46 +corresponding to site SITE1, 
47 47  
48 48   network 5G
49 49   sample rate 0250, (i.e. 250 Hz)
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57 57  
58 58  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
59 59  
60 +[[image:original_0747763c-e3dd-4667-b897-833f12c8e0b8_20241219_130604.jpg||height="240" width="298"]]
60 60  
61 61  Here is a general guideline for how much data you can expect to fit on a card:
62 62  
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67 67  
68 68  = Logger Menus Overview (and setup) =
69 69  
70 -The same menus are used in both types of loggers.
71 +The same menus are used in both the TSAWR and LPR-200 loggers.
71 71  
72 72  == System Information ==
73 73  
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75 75  
76 76  This menu also displays the firmware version, battery, external, and solar voltages, and the temperature of the system.
77 77  
78 -==== Upon setup ====
79 +* Check all Initialisation Parameters are marked as successful.
80 +* Check that solar voltage is above 10 V, otherwise the station will not last long.
79 79  
80 -- Check all Initialisation Parameters are marked as successful.
81 -
82 -- Check that solar voltage is above 10 V, otherwise the station will not last long.
83 -
84 -
85 85  == Live Seismometer Data ==
86 86  
87 87  This screen displays real time seismometer data for all 3 axes of the seismometer. Initially, a plot of raw data from all 3 channels is shown. By pressing enter, a high pass filter can be applied showing a more useful plot of all channels. The up and down arrows can be used to change between a view of all channels, individual channels, and all channels on different X axes.
88 88  
89 -==== Upon setup ====
86 +* Check that all 3 channels are present and are producing a signal.
87 +* Stomp on the ground near where the sensor is installed to check that a signal is being picked up by all 3 channels.
88 +* Common representations of poor signals include channels sloping smoothly from high values to zero, or sharp corners in the plots.
90 90  
91 -- Check that all 3 channels are present and are producing a signal.
90 +== GPS Data ==
92 92  
93 -- Stomp on the ground near where the sensor is installed to check that a signal is being picked up by all 3 channels.
94 -
95 -- Common representations of poor signals include channels sloping smoothly from high values to zero, or sharp corners in the plots.
96 -
97 -
98 -== GPS ==
99 -
100 100  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.
101 101  
102 -==== Upon setup ====
94 +* Check that the station is connected to satellites
103 103  
104 -- Check that the station is connected to satellites
105 -
106 -
107 107  == SD Information ==
108 108  
109 109  The menu lists if the SD card has been initialised, as well as the capacity and space free on the memory card. See "Data card formatting" (above) to see how to format and initialise the inserted SD card.
110 110  
111 -
112 112  == System Configuration ==
113 113  
114 114  This menu is used to set the stations identifiers and parameters.
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121 121  
122 122  The seismometer model and serial number (up to 10 characters) can be set. Seismometer model options include:
123 123  
124 -- Trillium Compact
112 +* Trillium Compact (same for 20 and 120)
113 +* CMG - 3ESP
114 +* Guralp 40T
115 +* LE-3D Lite
116 +* Mark L4C
117 +* Mark L4
125 125  
126 -- CMG - 3ESP
127 -
128 -- Guralp 40T
129 -
130 -- LE-3D Lite
131 -
132 -- Mark L4C
133 -
134 -- Mark L4
135 -
136 136  Additionally, the following settings can be used in place of the seismometer model types: +/- 20V, +/- 10V, +/- 5V
137 137  
138 138  The record on restart option ensures that if the logger dies and is powered back up whilst in the field (due to battery charging cycles or other causes) that the recording will resume.
139 139  
140 -==== Upon setup ====
123 +* Set the sampling rate, station identifier, and network code. Set the appropriate seismometer type. Most importantly, ensure the record on restart setting is checked.
141 141  
142 -- Set the sampling rate, station identifier, and network code. Set the appropriate seismometer type. Most importantly, ensure the record on restart setting is checked.
143 -
144 144  (% class="box errormessage" %)
145 145  (((
146 146  NOTE: Ensure the 'RECORD ON RESTART' option is marked with a cross.
147 147  )))
148 148  
130 +(% class="wikigeneratedid" %)
131 +[[image:original_2b83fcf5-ee5a-4375-bab1-2d738e4ffe8c_20241219_130646.jpg||height="234" width="289"]]
132 +
149 149  == STA/LTA Configuration ==
150 150  
151 --
135 +The Short Term Average and Long Term Average Configuration screen.. this is a relic for when people weren't recording continuously. Not advised!
152 152  
153 -= =
154 -
155 155  = LogFile Conversion Script =
156 156  
157 157  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]].
158 158  
159 -= =
160 -
161 161  = Instrument Response =
162 162  
163 163  Both the TerraSAWR and LPR-200 use the same ADS1281 analog-to-digital converter chip and are designed to have identical instrument response. Depending on the output sample rate (e.g. 100 Hz, 250 Hz, 500 Hz, 1000 Hz) amplitude response is consistently flat up to ~~100 Hz but phase response can vary above 1 Hz at 100 Hz (or 10 Hz at 250 Hz).
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171 171  
172 172  = ANU TerraSAWR (Gen 3, FW 3.5a, 2017?- current) =
173 173  
174 -Text here
154 +Words to describe the TSAWR would go here, if needed
175 175  
176 -== Sub-paragraph ==
177 177  
178 -XXXX
179 179  
180 -== Sub-paragraph ==
181 -
182 -xx
183 -
184 -=== Sub-sub paragraph ===
185 -
186 -x
187 -
188 -
189 189  = ANU LPR-200 (Gen 2, FW 2.6a/2.7a, 2013 - current) =
190 190  
191 -Text here
160 +Ditto the mighty LPR!
192 192  
193 -== Sub-paragraph ==
194 194  
195 -x
196 -
197 -== Sub-paragraph ==
198 -
199 -x
200 -
201 -
202 202  = ANU "ANUSR" (Gen 1, 2003? - 2013?) =
203 203  
204 -x
165 +This logger has been retired for a long time and has a different instrument response.
205 205  
167 +
206 206  = References =
207 207  
208 208  * [[PDF Manual>>http://auspass.edu.au/field/LPR-200_Instruction_Manual.pdf]]
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263 263  )))
264 264  )))
265 265  )))
266 -
267 -
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