๐”– Bobbio Scriptorium
โœฆ   LIBER   โœฆ

Ionospheric radio communication

โœ Scribed by Barclay, L.W.


Book ID
119749353
Publisher
Institution of Electrical Engineers
Year
1975
Weight
140 KB
Volume
45
Category
Article
ISSN
0033-7722

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Beginning on May I, the following changes became effective in the standards of frequency and musical pitch broadcast from the Bureau's radio station WWV at Beltsville, Md. : (a) The frequency of 2o megacycles per second has been replaced by I5 mc./sec.; (b) announcements are given by voice only, not