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Step 1: make envelope

mkenv 0012_2011_155_1053_100212_CHP4.0_RAW_021.sgy output file is env-0012_2011_155_1053_100212_CHP4.0_RAW_021.sgy mkenv is the standard script to make envelopes.

Before heave removal

Plot using script uw1.

With "Knudsen" heave removal

(requires SIOSEIS ver 2011.2.14 (6 June 2011) or later) Plot using script uw2.

With SIOSEIS heave removal

Plot using script uw3.