1992 RISC PASSCAL EXPERIMENT
		----------------------------

For a description of the RISC experiment, see IRIS newsletter, v. X11, #2
	(summer, 1993).

This tar tape contains the following files:


GEOM27SHOTS_Z.DAT	SierraSeis-compatible geometry file for vert component.
GEOM27USGS.DAT		SierraSeis-compatible geometry file for USGS experiment.
RARCO0.f		IRIS-SEIS subroutine to extract ARCO data from archive
RARCOX.f			SEGY tapes.  Stored 2 msec data -> 4 msec data.
README			This file.
SEGYHEAD.DAT		IRIS-SEIS job to print SEGY headers describing RISC.
SP.description		Description of USGS shots used in RISC experiment.
SP.latlong		Coordinates of shot points.
SP.stackchart		Description of shot points relative to RISC arrays.
XY.USGS_utm		Coordinates of USGS array in UTM.
XY.USGSarray		Coordinates of USGS array in lat-long.
colocated.stations	Table of RISC colocated stations (instrumentation).
data_size		Description of data format and size.
full_array		Table of entire RISC array.  Stations, boxes, deploy.
instrument_set		Type of instruments in the RISC array.
segy_exabyte		RISC definition of SEGY headers on exabyte data tapes.
segy_headers		Full description of RISC use of SEGY headers.
segy_tapeformat		Description of data format on SEGY exabyte data tapes.