2009年9月24日 · WWV operates in the high frequency (HF) portion of the radio spectrum. The station radiates 10 000 W on 5 MHz, 10 MHz, and 15 MHz; and 2500 W on 2.5 MHz and 20 …

WWV is a shortwave ("high frequency" or HF) radio station, located near Fort Collins, Colorado. It has broadcast a continuous time signal since 1945, and implements United States government …

2015年5月28日 · WWV and WWVH continuously broadcast a binary coded decimal (BCD) time code on a 100-Hz subcarrier. The time code presents UTC information in serial fashion at a …

wwv 是一个短波（“高频”或 hf）广播电台，位于科罗拉多州柯林斯堡附近。 它自 1945 年以来一直广播连续时间信号，并实施美国政府频率标准，发射机以 2.5、5、10、15、20 和 25 MHz 运 …

The 10 and 15 MHz frequencies were chosen as harmonics, or multiples of 5 MHz. WWV continues to use all of these frequencies today, as well as another harmonic (20 MHz), and a …

Nation Institute of Standards and Technology Time, this is radio station WWV. Fort Collins, Colorado. Broadcasting on international frequencies of 2.5, 5, 10, 15, and 20 MHz WWV's …

Marine storm warnings are broadcast for the Atlantic and Pacific oceans and the Gulf of Mexico. The National Weather Service provides the storm warning information. Atlantic highseas …

The stations, WWV and WWVB, located near Fort Collins, Colorado, and WWVH, located on the island of Kauai in Hawaii, are the only radio stations located in the United States whose sole …

The frequencies transmitted by WWV and WVH are held stable to better than 2 2 parts in lo1' at all times. Deviations at WWV are normally less than 1 part in 10l2 from day to day. …

2022年10月16日 · I have a Browning Laboratories RH-10 WWV Standard Frequency Calibrator that I would like to repair. I have not been able to find any info on it, except a paragraph in a …