WWV Views 7 meanings found WWV is most recognized as the call sign of the U.S. time‑signal radio station, while it also denotes a music catalog, community initiatives, and scientific terms. Miscellaneous Warm Water Volume World War Veterans Walla Walla Valley World Wide Vacuum Community Wholistic World Vision International Wagner-Werk-Verzeichnis Academic & Science Standard time and frequency station, 2.5 MHz, 5 MHz, 10 MHz,