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.
Full Definition of OSCILLATION. 1. : the action or state of oscillating. 2. : variation, fluctuation. 3. : a flow of electricity changing periodically from a maximum to a minimum; especially: a flow periodically changing direction.4. : a single swing (as of an oscillating body) from one extreme limit to the other.ull Definition of OSCILLATION. 1. : the action or state of oscillating. 2. : variation, fluctuation. 3. : a flow of electricity changing periodically from a maximum to a minimum; especially: a flow periodically changing direction. 4.