Hallo all, The OE activity of July 31 was a joint effort of the members of the local chapter of the OeVSV (ADL 511) in the city of Voecklabruck. As in previous years we had our club's summer field da
Questions: Does anybody know how to calculate/estimate/measure the efficiency of our wire antenna to determine our ERP power? Does anybody know of previous OE activities on 136kHz or is ours the very