Heinz-Josef Pick

This App displays on a map Amateur Radio contacts made within the last hour on the 4 m band (70 MHz) in Europe.Es contacts via the sporadic E layer of …

"Rotkäppchen", "Der Wolf und die sieben Geißlein" und "Die Bremer Stadtmusikanten"Diese 3 Märchen der Gebrüder Grimm können einzeln ausgewählt und vor …

This App displays on a map Amateur Radio contacts made within the last hour on the 2m band (144 MHz - 146 MHz) in Europe.Es contacts via the sporadic …

Skin depth and resistance calculator for a given frequency and the materials silver (Ag), copper (Cu) and stainless steel (Type V4A).Input: Frequency …

This App displays on a map Amateur Radio contacts made within the last hour on the 6 m band (50 MHz) in Europe.Es contacts via the sporadic E layer of …