Radio waves
Jump to navigation
Jump to search
The printable version is no longer supported and may have rendering errors. Please update your browser bookmarks and please use the default browser print function instead.
4-1-000
Electromagnetic waves of frequencies lower than 3 000 GHz propagated in space without artificial guide.
Reference: I.T.U.
Please note that this is the term as it stands in the original IALA Dictionary edition (1970-1989)
