(Cesium)
(Rubidium)
(Quartz)
(Maser)
 

 

Links

To synchronize your PC's clock to the NIST Atomic clock, download from ACTS at www.boulder.NIST.gov/timefreq/

Pikes Peak is one of the 'Fourteeners' in Colorado. It stands 14,110 feet above sea level. There are 68 peaks in the continental United States that are 14,000 feet or higher. Fifty four of those are in Colorado. Lt. Zebulon Montgomery Pike was the first white man to 'discover' the peak in 1806. It has the second highest highway in the world.

Agilent Technologies (Hewlett Packard) 
http://www.agilent.com/find/frequencystandards

Datum-Irvine (Ball Efratom)
http://www.datum.com/prod_fts_8040.html 

Frequency Electronics Inc.
http://www.frequencyelectronics.com/products.htm 

Datum-Beverly (Frequency & Time Systems)
http://www.datum.com/prod_testm.html 

SigmaTau Standards Group (Datum-Beverly)
http://www.datum.com/prod_mhm2010.html 

World Time
http://www.worldtime.com