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01:57:38 GMT20210305-160218_Sala-riuni_1920x1080 GMT20210305-160218_Sala-riuni_1920x1080	GMT20210305-160218_Sala-riuni_1920x1080 gpr workshop cave thing frequency bit dataset depth antenna lot gpr question things meters frequencies dean ground week idea gps kind velocity From Lawrence Conyers 0 likes 28 plays 0
02:00:01 GMT20210312-155832_Lawrence-C_1920x1200 GMT20210312-155832_Lawrence-C_1920x1200	GMT20210312-155832_Lawrence-C_1920x1200 gpr workshop cave ceiling reflection reflections phase radar floor unit wave amplitude point gpr christopher ground antenna dean water bit polarity energy From Lawrence Conyers 0 likes 53 plays 0