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.
also ON7TK
Servo-CV pour antenne magnétique
Technologie des relais, notes sur les circuits de commandes, listes de fréquences, liste de relais