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Waveform Signal Calculation <br />Reference Emitter Example <br />CH1 <br />4820 <br />21.7 <br />+ <br />C!12 <br />8108 <br />36.6 <br />CH3 <br />6249 <br />28.2 <br />+ <br />CtiA Igial Channel <br />2984 - 22161 Area (pVs) <br />13.5 100% Percent RE <br />212 LH3 <br />5743 4166 <br />25.9 18.8 <br />CHA Igial <br />1735 16587 <br />= <br />7.8 75% <br />Data Files <br />Raw data file. Header 5 ASCII format and contains informahon stored when the file was initially <br />*.lif. raw.bin written (e.g date, total depth, max signal, gps, et, and any information entered by the operator). All <br />raw waveforms are appended to the bottom of the file in a binary format <br />*.IN.pit <br />*.lif.jpg <br />Stores ne plot scheme history (e.g. callout depths) for assoctated Raw file. Transfer along with the <br />Raw file m order to recall previous plots. <br />A jpg •nage of the OST log induding the main signal vs. depth plot callouts. information, etc. <br />Data export of a single Raw file. ASCII tab delimrted format No strng header 6 provided for the <br />*.Ilf.dat.txt columns (to make importing into other programs easier). Each row is a unique depth reading. The <br />columns are: Depth, Total Signal (%RE), Chl%, Ch2%, Ch3%, Ch4%, Rate, Conductivity Depth, <br />Conductivity Signal, Hammer Rate. Summing channels 1 to 4 yields the Total Signal. <br />A summary file for a number of Raw files. ASCII tab delimited format The file contains a string <br />*.lif.sum.txt header The summary indudes one row for each Raw fle and contans information for each file <br />induding: the file name, gps coordinates, max depth, max signal, and depth at which the max signal <br />occured <br />An activity log generated automatically located in the OST applicabon directory in the log' subfolder. <br />*.lif.log.txt Each OST unit the computer operates will generate a separate log file per month. A log file containsmuch of the header information contained within each separate Raw ftle, inclucing: date, total depth, <br />max signal, etc. <br />Common Waveforms (highly dependent on soil, weathering, etc.) <br />/_Al L_ lL_ <br />Diesel Gas Kerosene Motor Oil