WNG 689 Hebron, 162.450 MHz. NOAA All Hazards Weather Radio station WNG-689 serves northwest Indiana, including the Valpariaso, Hebron and Porter Township areas, from a 300 watt transmitter located in Hebron, IN. The nominal effective range of the transmitter is about 40 miles.
fluctuate (third-person singular simple present fluctuates, present participle fluctuating, simple past and past participle fluctuated) (intransitive) To vary irregularly; to swing. (intransitive) To undulate.
Quantum fluctuation is the temporary appearance of energetic particles out of nothing, as allowed by the Uncertainty Principle. It is synonymous with vacuum fluctuation. The Uncertainty Principle states that for a pair of conjugate variables such as position/momentum and energy/time, it is impossible to have a precisely determined value of each member of the pair at the same time.