U.e So D».A.RnoDNT 01 COMMEROEe Aug.
NATIONAL :aURJl:Au.or STANDAliDSe
STANDA.BD �UENCY BROADCAST SIRVICI
OF NATIONAL BUREAU OF STANDARDS.
The National Bureau of Standards broadcasts standard frequencies
and related services from its radio atation WV, at Beltsville, Md o ,
D.C. The aervice has been improved and extended, a
new transmitting station has been built, 10--kilowatt radio traneemittera
installede0 and additional frequ.anclea and voice announcements added.
The service• include: (1) standard radio frequencies, (2) standard
time intervals accurately synchronized with basic time1 signals, (3)
standard audio frequencie1e0 (4) standard musical pitch, 44o•cycles
per second, corr.es...