Visit also the following interessting sites :

HOKA-Electronics                                              Klaus Fenger's Astronomy and Weather page

Luca Barbi's Homepage                                       HF-FAX page by Marius Rensen

European Utility Newsletter - EUNL

Visit The DXZone 

Mike Chace's Utility Monitoring Central                Leif Dehio's Monitoring Utility Station

The CONET Project                                            ENIGMA

Speedx homepage                                                Speedx SWL link page

Numbers & Oddities                                            

High Frequency Co-ordination Conference

AirNav Systems