# Extracting File No (assigned by Triack recording) and Shotpoint No (assigned by Survey Computer), from: Line25-0_27aug2005_0249 # Checking for duplicate and missing shots and files FN=53: First FileNo (Assigned by TriAcq when writing SEG-D data to tape) SP=53: First shotpoint (from Survey Computer) SP=116: Missing shot SP=342: Missing shot SP=441: Missing shot SP=484: Missing shot SP=518: Missing shot SP=638: Missing shot SP=727: Last shotpoint (from Survey Computer) FN=721: Last FileNumber (Assigned by TriAcq when writing SEG-D data to tape)