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The transmission site for WWVB has hundreds of water bottles to insulate the equipment from temperature swings. https://jila.colorado.edu/news-events/articles/
by dfc 10mo ago
The transmission site for WWVB has hundreds of water bottles to insulate the equipment from temperature swings.
https://jila.colorado.edu/news-events/articles/spare-time https://jila.colorado.edu/news-events/articles/spare-time
- wongarsu 10mo agoThat page deserves its own submission. The juxtaposition in running four atomic clocks with a UPS consisting of "two car batteries, a power supply, a trickle charger (to keep the batteries continuously charged), and two car headlights (for discharging the batteries)" and a thermal mass consisting of water bottles is crazy
- ProllyInfamous 10mo agoI do this same trick in an insulated utility shed, storing water beneath a desk to prevent overnight freezing within. Works about as good as a heated rock in your sleeping bag.