Changes for page ANU Seismic Data Loggers
Last modified by robert on 2025/04/24 14:58
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... ... @@ -1,7 +1,14 @@ 1 -(% class=" box successmessage" %)1 +(% class="row" %) 2 2 ((( 3 +(% class="col-xs-12 col-sm-8" %) 4 +((( 5 +(% class="jumbotron" %) 6 +((( 7 +(% class="container" %) 8 +((( 3 3 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. 4 4 ))) 11 +))) 5 5 6 6 = Data Card Formatting and Information = 7 7 ... ... @@ -69,40 +69,27 @@ 69 69 70 70 This menu also displays the firmware version, battery, external, and solar voltages, and the temperature of the system. 71 71 72 -==== 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. 73 73 74 -- Check all Initialisation Parameters are marked as successful. 75 - 76 -- Check that solar voltage is above 10 V, otherwise the station will not last long. 77 - 78 - 79 79 == Live Seismometer Data == 80 80 81 81 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. 82 82 83 -==== 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. 84 84 85 -- Check that all 3 channels are present and are producing a signal. 86 - 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 - 89 -- Common representations of poor signals include channels sloping smoothly from high values to zero, or sharp corners in the plots. 90 - 91 - 92 92 == GPS Data == 93 93 94 94 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. 95 95 96 - ====Upon setup====94 +* Check that the station is connected to satellites 97 97 98 -- Check that the station is connected to satellites 99 - 100 - 101 101 == SD Information == 102 102 103 103 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. 104 104 105 - 106 106 == System Configuration == 107 107 108 108 This menu is used to set the stations identifiers and parameters. ... ... @@ -115,26 +115,19 @@ 115 115 116 116 The seismometer model and serial number (up to 10 characters) can be set. Seismometer model options include: 117 117 118 -- 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 119 119 120 -- CMG - 3ESP 121 - 122 -- Guralp 40T 123 - 124 -- LE-3D Lite 125 - 126 -- Mark L4C 127 - 128 -- Mark L4 129 - 130 130 Additionally, the following settings can be used in place of the seismometer model types: +/- 20V, +/- 10V, +/- 5V 131 131 132 132 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. 133 133 134 - ====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. 135 135 136 -- Set the sampling rate, station identifier, and network code. Set the appropriate seismometer type. Most importantly, ensure the record on restart setting is checked. 137 - 138 138 (% class="box errormessage" %) 139 139 ((( 140 140 NOTE: Ensure the 'RECORD ON RESTART' option is marked with a cross. ... ... @@ -145,14 +145,12 @@ 145 145 146 146 == STA/LTA Configuration == 147 147 148 -The Short Term Average and Long Term Average Configuration screen is nolonger used.135 +The Short Term Average and Long Term Average Configuration screen.. this is a relic for when people weren't recording continuously. Not advised! 149 149 150 - 151 151 = LogFile Conversion Script = 152 152 153 153 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]]. 154 154 155 - 156 156 = Instrument Response = 157 157 158 158 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). ... ... @@ -166,37 +166,24 @@ 166 166 167 167 = ANU TerraSAWR (Gen 3, FW 3.5a, 2017?- current) = 168 168 169 - Text here154 +Words to describe the TSAWR would go here, if needed 170 170 171 -== Sub-paragraph == 172 172 173 -XXXX 174 174 175 -== Sub-paragraph == 176 - 177 -xx 178 - 179 - 180 - 181 - 182 182 = ANU LPR-200 (Gen 2, FW 2.6a/2.7a, 2013 - current) = 183 183 184 - Text here160 +Ditto the mighty LPR! 185 185 186 -== Sub-paragraph == 187 187 188 -x 189 - 190 - 191 - 192 192 = ANU "ANUSR" (Gen 1, 2003? - 2013?) = 193 193 194 - x165 +This logger has been retired for a long time and has a different instrument response. 195 195 167 + 196 196 = References = 197 197 198 198 * [[PDF Manual>>http://auspass.edu.au/field/LPR-200_Instruction_Manual.pdf]] 199 - ~)~)~)171 +))) 200 200 201 201 (% class="col-xs-12 col-sm-4" %) 202 202 ((( ... ... @@ -208,6 +208,7 @@ 208 208 ))) 209 209 210 210 183 + 211 211 (% class="box" %) 212 212 ((( 213 213 = TerraSAWR Specs = ... ... @@ -220,7 +220,7 @@ 220 220 [[image:1704864886951-793.jpg]] 221 221 222 222 |=Size (L x W x H)|30 x 25 x12cm 223 -|=Weight (with battery)| ~*~*1.9kg (2.5kg)196 +|=Weight (with battery)| 1.9kg (2.5kg) 224 224 |=Battery|((( 225 225 Lead-acid 12v, ~~7Ah 226 226 ... ... @@ -242,7 +242,7 @@ 242 242 [[image:LPR 3.jpg]] 243 243 244 244 |=Size (L x W x H)|42 x 34 x17 cm 245 -|=Weight ( withbattery)|4.9kg(7.3 kg)218 +|=Weight (no battery)|5.5 kg 246 246 |=Battery|((( 247 247 LiFePo4 140Ah 248 248 ... ... @@ -252,5 +252,4 @@ 252 252 [[image:LPR battery.jpg]] 253 253 ))) 254 254 ))) 255 - 256 -~)~)~) 228 +)))