TY  - RPRT
TI  - Using an electronic compass to determine telemetry azimuths
AU  - R. R. Cox
AU  - J.D. Scalf
AU  - B.E. Jamison
AU  - R.S. Lutz
PY  - 2002
UR  - https://pubs.usgs.gov/publication/1001695
ID  - 1001695
ER  -