Wolfgang Waldner1 minBroadband versus narrowband connectionsThe term broadband connection is generally understood to mean a data connection with a high throughput rate. This can be established via...
Wolfgang Waldner1 minSpelling alphabetIf the speech connection via radio or telephone is so bad that uncertainties about the content can arise, the spelling alphabet has...
Wolfgang Waldner1 minNavigationElectronic navigation devices require electrical energy and satellite reception. If one or the other is not available, these devices are...
Wolfgang Waldner2 minWhich is the objective?Before you go into an area where there is no "network", you have to ask yourself a few questions, such as who you want to contact, which...
Wolfgang Waldner1 minMorse telegraphyMorse code is still in use internationally after more than a hundred years. Many military personnel are still being trained in it. Due to...