Roger G3XBM's (Mainly) Amateur Radio Blog

Many years ago (1970) I did my final year project at university on whistlers. These are VLF natural emissions. I very nearly did a PhD on wh...

As an undergraduate (a long time ago!) I did a project on whistlers, which are natural VLF noises produced as a result of VLF emissions bei...

The death of Emeritus Professor Robert Helliwell of Stamford University was announced today. Helliwell was the author of the book "Wh...

This evening the VLF natural noise receiver in Todmorden , UK is buzzing with whistlers in addition to the almost continuous stream of twee...

A very happy Christmas everyone. One of my presents was the book called " Radio Nature " by Renato Romero which is a very good i...