Radio Station WWVB | NIST
Mar 1, 2010 · Since October 29, 2012, NIST Radio Station WWVB has been broadcasting a phase modulated (PM) time code that has been added to the legacy AM/pulse-width …
Help with WWVB Radio Controlled Clocks | NIST
Feb 11, 2010 · Once your radio controlled clock has decoded the signal from WWVB, it will synchronize its own clock to the message received by radio. Before it does so, it applies a time …
The Current Readability of the WWVB Time Code - NIST
The map below shows the location of the WWVB time code monitoring sites. The WWVB signal is continuously decoded at each of these sites to determine the current signal conditions for …
NIST Radio Broadcasts Frequently Asked Questions (FAQs)
Sep 16, 2024 · Both stations broadcast a timing signal 24 hours per day, 7 days per week, to listeners all over the world. All broadcast frequencies used by WWV and WWVH are in the …
WWVB coverage maps
Computer-generated estimates of WWVB signal strength under typical conditions show coverage at two-hour intervals over the course of a day with WWVB operating at 50 kW radiated power.
What Time is It? FAQs | NIST
Sep 16, 2024 · Detailed information about radio-controlled clocks and troubleshooting tips are available on the NIST web page describing WWVB radio-controlled clocks. We include links to …
History of WWVB | NIST
Mar 2, 2010 · The increased distance from the mountains made it a better choice for broadcasting an omni-directional signal. WWVB went on the air on July 5, 1963, broadcasting a 5 kW signal …
Radio Station WWV | NIST
Sep 24, 2009 · Since November 15, 2021, WWV and WWVH has been broadcasting a test signal on minute 8 of each hour on WWV, and minute 48 on WWVH. This signal has been created to …
WWVB Station Outages | NIST
Nov 2, 2010 · During normal operation, the 60 kHz signal from WWVB is transmitted 24 hours per day, 7 days a week. The table includes periods when the signal was off or intermittent for more …
Time Signal Broadcast Stations | NIST
Apr 27, 2023 · Radio Station WWVB, also located in Ft. Collins, operates in the LF (low frequency) portion of the spectrum at 60 kHz. Its signals synchronize tens of millions of radio …