PALMDALE 09

Name: Palmdale

Long Name: Palmdale San Andreas

Description:

Seismic Refraction/Reflection experiment across the San Andreas Fault in Palmdale, CA

	PI        Email	                    rganization	Role
Rufus Catchings	catching@andreas.wr.usgs.gov	USGS	Principal Investigator (PI)
Mark Goldman	goldman@usgs.gov	USGS	Co-PI

SEGY FILE:
   4 byte IBM floating point standard SEGY file
   samprate is    0.5 milliseconds
   numsamp is    4000 samples per trace
   record length is 2 seconds



PARAMETERS:                      

   source = seisgun shooting 8 gauge blank shells into 14" hole
   geophones = Mark Products L40A geophones,  40 hz, 335 ohms

   shot West to East, 20 meter shot spacing, 10 meter geophone spacing

   112 shots                  shots from stations 1-225
   176 channels per shot      geos  from stations 1-234

   19712 total number traces, 4000 samples per trace

FFID 1001-1059, geo stations  1-176
FFID 1060-1112, geo stations 59-234



GEOMETRY NOTES

Experiment/Line: Palmdale 09               Date:  8-12-2009

Line Orientation: West to East             Shot/Geo Spacing: 20 meters / 10 meters

|     |
| sta | comment
|=====|===============================================
| 004 | middle of dirt road, ~4 m West of fence
| 016 | ~4 m East of chain link fence
| 021 | topo high, compared to 1-22 (22)
| 030 | topo low, in ditch
| 035 | West edge of road
| 036 | East side of road
| 040 | topo high, compared to 1-41 (41)
| 050-| topo low, in road
| 051 | 
| 061 | topo low, compared to 2-04 (62)
| 085 | by telephone pole
| 126 | first on road
| 129 | East edge of road, near brick wall
| 130 | halfway down wash cliff
| 132 | first on bottom of wash
| 144 | last in wash
| 145 | first out of wash
| 146-| topo high, on hill
| 147 | 
| 148 | at concrete pipe
| 166 | topo high, on hill
| 225 | last geophone
|     |