TY - CONF AU - Lombardi, Michael C2 - 1992 National Conference of Standards Laboratories (NCSL) , Washington, DC DA - 1992-01-01 LA - en PB - 1992 National Conference of Standards Laboratories (NCSL) , Washington, DC PY - 1992 TI - Using LORAN-C Broadcasts for Automated Frequency Calibrations ER -