[Amps] Single Band Amplifiers One Power Supply

[Steve Wright]

On 01/12/16 07:35, amps-request at contesting.com wrote:
>    In modern amps. both the B- and B+ are NOT connected to ground, but
>    left floating. The grid current meter is connected from B- to ground.

Can the IP not be metered with a modern magnetic DC current sensor, 
directly in the anode line?  That would at first glance dodge all the 
metering and PSU complexity.

I accept the safety reasons IP has been traditionally metered, but why 
can that not be metered directly now with new methods?

Steve