TY  - RPRT
TI  - A Summary of VHF and UHF tropospheric transmission loss data and their long-term variability 
AU  - Williamson, Dorothy A
PY  - 1960
PB  - National Bureau of Standards
CY  - Gaithersburg, MD
SN  - NBS TN 43
DO  - 10.6028/NBS.TN.43
ER  -