Disclaimer These dossiers are supplied as is for educational and experimental purposes. Calculations, simulations and file checks are neither measured performance nor certification or qualification of the assembled device. The person building or using the device must check the schematics, components, connections and protective measures, follow manufacturer instructions and applicable regulations, and have the completed device validated before use. Depending on the device, electrical voltages, radiofrequency energy and heat can cause electric shock, burns or fire. Tests must be conducted by a competent person, starting at low power with suitable protective measures. To the extent permitted by law, ON4CRD and the contributors do not guarantee fitness for a particular purpose or results, and disclaim liability for damage arising from construction, modification or use. This notice does not limit any mandatory rights or any liability that the law does not allow to be excluded.