GB3EN The North London Television Group
- Formed in 1998 with the aim of encouraging Amateur Television (ATV) activity in the North London/Lea Valley area, and specifically to establish an Amateur Television repeater in North London.
- The general Catalogue of Publications contains all current publications,except the Standards currently in force, which can be found in the separate List of ITU-T Recommendations and List of ITU-R Recommendations.
- DXtreme Software produces powerful and easy-to-use logging applications for radio enthusiasts such as
Amateur Radio operators, Shortwave DXers, Shortwave listeners, Broadcast band DXers, VLF DXers,
VHF, UHF, and TV DXers