We check all the links at least once per month. We guarantee that 99% of the links are operational or flagged as "Out of order". Non working links are first flagged as "Out of order". If the link stays dead we remove it later from the list after an unsuccessful attempt to find out a new address.
Design filters/antenna etc...
National Telecommunications Commission (GR)
Quad, verticals, R5/R7 maintenance
Components dealer in Brussels (Belgium)
University of Washington
On a CD-ROM
by Ian VK2TIP, a free comprehensive basic electronics tutorial
Amazon Electronics, Inc.
Electronics (The Netherlands)
With list of EME-stations
Radio Astronomy, DSP and Radio Amateurs</a>.</strong> (by W6/PA0ZN)
Integrated Publishing, P.O. Box 129, Port Richey, FL 34673, USA
Development of electronic & software projects (NL)
The Electronic QSL Card Centre
Estonian Radioamateurs Union (ESTONIA)
Estonian Radioamateurs Union
European Telecommunications Office
European Telecommunications Standards Institute
Having fun with QRP! By Jos - ON6WJ