Amplifiers: Selection, Safety and Grounding

Amplifiers boost transmit power for better DX. Tube amps: robust, high voltage (2-4 kV danger!). Solid-state (LDMOS): efficient, compact, sensitive to SWR. Safety: proper grounding, cooling for FT8/digital modes (100% duty cycle).

Austria: Max 1 kW PEP legal limit. CE certification required. Popular models: SPE Expert 1.3K-FA, Elecraft KPA1500.

73 – your oeradio.at team

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