TY  - RPRT
TI  - Atmospheric propagation equations used in the NBS Earth Terminal Measurement System 
AU  - Daywitt, W C
PY  - 1978
PB  - National Bureau of Standards
CY  - Gaithersburg, MD
SN  - NBS IR 78-883
DO  - 10.6028/NBS.IR.78-883
ER  -