1. Methods of measurement for equipment used in digital microwave radio transmission systems. Measurements on terrestrial radio-relay systems. Cross-polarization interference canceller Part 2-11, (15th July 1997) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (22 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
2. Graphical symbols for electrical power, telecommunications and electronics diagrams. Switchgear, controlgear and protective devices Part 7, (28th June 1985) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (32 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
3. Graphical symbols for diagrams. Switchgear, controlgear and protective devices Part 7, (15th December 1996) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (64 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗