At a moment, I realized that 20 resistor of 1000 ohm in parallel, form a resistor of 50 ohms.
So I bought twenty 1000 ohm - 1/2 watt resistors and soldered them on a PL 259 connector.
Through the green tube runs a wire, to connect the wires of the resistors to the left, with the
center conductor of the connector.
The twenty resistors can dissipate a power of 10 watts.
The dummy was measured in a workshop of Rohde & Schwarz.
At the moment I can not find the report of the measurement.
I first wrote that the dummy load was 49.9 ohms, but I now remember
that it was 49.8 ohms.
I was surprised the resistors had an accuracy of better then 1%. hi
|10 watts - 50 ohm HF dummy load|