Friday, March 03, 2006
What they are most known for is the 1.5 billion times a day that NIST’s Internet Time Service sets and synchronizes computer clocks other networked time-keeping devices. Without which the Internet could not function. i.e This blog would not exist. These three stations are in the two bands the FCC has allocated for "Standard Frequency and time signal" They maintain the standard for frequency and time intervals, setting the official time for the entire United States. On the side they have a program of research and service activities in time and frequency metrology. They are accurate to one millisecond if one corrects for the distance from the station.
here. They also operate a few radio stations:
WWV Fort Collins, CO (their signal is also offered by phone: 303-499-7111)
Broadcasting on 2.5 Mhz, 5.0 Mhz, 10 Mhz, 15 Mhz, and 20 Mhz. Schedule Here.
WWVH Kauai, HI (their signal is also offered by phone: 808-335-4363) Broadcasting on 2.5 MHz, 5 Mhz, 10 Mhz, and 15 Mhz. Schedule Here
WWVB Fort Collins, CO Broadcasting on 60 Khz
Official U.S. Government time, as provided by NIST and USNO, is available on the Internet Here.
And Here is a geek who made an antenna to receive WWVB with tin foil and a tomato soup can:
At the beep the time will be 5:38 PM EST...