Links

EverSet ES100 receiver kits are available exclusively from UNIVERSAL-SOLDER®

https://universal-solder.ca/?s=Everset&post_type=product

NIST WWVB website:

https://universal-solder.ca/product-category/atomic-clock-radio-receiver/everset-es100-wwvb-bpsk/

Enhanced WWVB Broadcast Format:

http://www.nist.gov/pml/div688/grp40/upload/NIST-Enhanced-WWVB-Broadcast-Format-1_01-2013-11-06.pdf

HKW Test equipment provides a signal generator supporting the enhanced protocol:

www.hkw-elektronik.de/englisch/index.php

Time and date information:

www.timeanddate.com/

“Arduino based implementation from Keith Greiner”

Read about it here