[FERNSEH]

The receiver for this experiment is the GEC BT5144 which is the subject of another topic in this forum.
The HT reservoir capacitor in the set has been disconnected and replaced with a separate 100mfd capacitor which has a 1 ohm resistor wired in series with the capacitor's negative chassis connection.
The lower scope waveform shows the voltage developed across the resistor. The scope reading shows slightly more than one volt across the resistor thus indicating more than one amp flows into the capacitor during the positive mains cycle. There is also a steady negative voltage reading of 0.25V which indicates the current is actually flowing out the capacitor during the negative half cycles of the mains waveform. That 0.25volt developed across the 1 ohm resistor almost equates to the HT current demands of the receiver, 250mA.

DFWB.