TY  - RPRT
TI  - Letter Circular 886: technical radio broadcast services, radio station WWV (supersedes Letter Circular 875)
PY  - 1948
PB  - National Institute of Standards and Technology
CY  - Gaithersburg, MD
SN  - LCIRC 886
DO  - 10.6028/NBS.LCIRC.886
ER  -