[time-nuts] Line Frequency
Gabs Ricalde
gsricalde at gmail.com
Mon Feb 10 18:26:21 UTC 2014
On Tue, Feb 11, 2014 at 1:57 AM, Tom Van Baak <tvb at leapsecond.com> wrote:
> Alternatively, has anyone considered grabbing 50/60 Hz from the air? Just about any dangling unshielded wire will act as a pickup. Maybe not as robust a signal, but this is not so much a problem for solutions already using a hardware or software PLL. And it certainly wins the safety prize. Call it the iClock Air...
>
> /tvb
>
I'm using an AM loop antenna near a transformer. The antenna is
connected to the line input of a sound card. I'm also recording a PPS
signal on another channel in case I need a reference.
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