[time-nuts] 60 Hz frequency and phase measurement

[Gerhard Hoffmann]

Am 03.07.19 um 01:25 schrieb Tim Shoppa:
> Jim, most of us are satisfied to use a 6.3VAC filament transformer to step down from 120VAC and isolate from the power line.

Exactly. I used an old 6 or 9V AC wall wart and a resistive 1:3 divider 
last year when the European grid frequency was low because of some 
trouble in the distant south-east. That gave a really stable reading.

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regards, Gerhard