BBC Research & Development - http://www.bbc.co.uk/rd/pubs/papers/ Site features excellent papers covering current technology throughout the video chain.
Status Code: 301 - Location: http://www.bbc.co.uk/rd/pubs/papers/index.shtml
Close-up by Joe Fedele - http://www.bbc.co.uk/rd/pubs/papers/ A magazine for broadcasting professionals. Contains articles about analog and digital television technology.
How Projection Television Works - http://www.bbc.co.uk/rd/pubs/papers/ Fully-illustrated unbiased tutorial describes how projection TVs form a small image on a device inside the projector - either a CRT or LCD - and then shine that image onto a large screen located elsewhere.
PAL NTSC Film Converter - http://www.bbc.co.uk/rd/pubs/papers/ Several reviews about the television standards of PAL and NTSC are represented. Especially the refresh rates are explained in detail. Run time conversions between different medium types are also discussed.
Pal Secam NTSC World Standards - http://www.bbc.co.uk/rd/pubs/papers/ Technical specifications of the world standards and list of countries and their adopted format. Additionally, a brief history of TV standards.
Video Measurement Tutorials from Tektronix - http://www.bbc.co.uk/rd/pubs/papers/ Helps to understand the nature of component video. Includes detailed descriptions of signal distortions and monitoring techniques.
Williamson-labs television - http://www.bbc.co.uk/rd/pubs/papers/ Graphics and formulas dominate this site which covers major aspects of video broadcast engineering.