What's the continent-wide frequency, phase angle and voltage, Kenneth?
April 10, 2011 4:34 AM Subscribe
FNET is a low-cost, GPS-synchronized wide-area power system frequency measurement network. Highly accurate Frequency Disturbance Recorders (FDRs) [...] measure the frequency, phase angle, and voltage of the power signal found at ordinary 120-V electrical outlets. Animated map. [via]
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