Changes for page ANU Seismic Data Loggers
Last modified by robert on 2025/06/15 14:13
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... ... @@ -5,8 +5,10 @@ 5 5 (% class="jumbotron" %) 6 6 ((( 7 7 (% class="container" %) 8 -(((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.))) 8 +((( 9 +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. 9 9 ))) 11 +))) 10 10 11 11 = Data Card Formatting and Information = 12 12 ... ... @@ -98,11 +98,9 @@ 98 98 99 99 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. 100 100 101 - ====Upon setup====103 +* Check that the station is connected to satellites 102 102 103 -- Check that the station is connected to satellites 104 104 105 - 106 106 == SD Information == 107 107 108 108 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. ... ... @@ -120,26 +120,19 @@ 120 120 121 121 The seismometer model and serial number (up to 10 characters) can be set. Seismometer model options include: 122 122 123 -- Trillium Compact 123 +* Trillium Compact (same for 20 and 120) 124 +* CMG - 3ESP 125 +* Guralp 40T 126 +* LE-3D Lite 127 +* Mark L4C 128 +* Mark L4 124 124 125 -- CMG - 3ESP 126 - 127 -- Guralp 40T 128 - 129 -- LE-3D Lite 130 - 131 -- Mark L4C 132 - 133 -- Mark L4 134 - 135 135 Additionally, the following settings can be used in place of the seismometer model types: +/- 20V, +/- 10V, +/- 5V 136 136 137 137 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. 138 138 139 - ====Upon setup====134 +* Set the sampling rate, station identifier, and network code. Set the appropriate seismometer type. Most importantly, ensure the record on restart setting is checked. 140 140 141 -- Set the sampling rate, station identifier, and network code. Set the appropriate seismometer type. Most importantly, ensure the record on restart setting is checked. 142 - 143 143 (% class="box errormessage" %) 144 144 ((( 145 145 NOTE: Ensure the 'RECORD ON RESTART' option is marked with a cross. ... ... @@ -150,14 +150,12 @@ 150 150 151 151 == STA/LTA Configuration == 152 152 153 -The Short Term Average and Long Term Average Configuration screen is nolonger used.146 +The Short Term Average and Long Term Average Configuration screen.. this is a relic for when people weren't recording continuously. Not advised! 154 154 155 - 156 156 = LogFile Conversion Script = 157 157 158 158 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]]. 159 159 160 - 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). ... ... @@ -171,38 +171,21 @@ 171 171 172 172 = ANU TerraSAWR (Gen 3, FW 3.5a, 2017?- current) = 173 173 174 - Text here165 +Words to describe the TSAWR would go here, if needed 175 175 176 - == Sub-paragraph ==167 + 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 here172 +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 - x177 +This logger has been retired for a long time and has a different instrument response. 205 205 179 + 206 206 = References = 207 207 208 208 * [[PDF Manual>>http://auspass.edu.au/field/LPR-200_Instruction_Manual.pdf]]