Here is a decoder for the time signals sent from station WWVB on 60 kHz radio frequency.
The object includes a standard time keeping clock using the Parallax Propeller's crystal as a time base. The clock is updated by the time data received from the WWVB station when decoding is successful.
Requires a radio receiver such as the module available from:
- https://www.digikey.com/en/products/detail/universal-solder-electronics-ltd/Atomic-Clock-Receiver-60kHz/15760544
- https://www.amazon.com/gp/product/B01KH3VEGS
- https://www.sparkfun.com/products/retired/10060 (retired)
- http://www.pvelectronics.co.uk/index.php?main_page=product_info&products (no longer available)
Also, often available on ebay. Search: 60kHz WWVB Receiver
Data sheet for CANADUINO Time Signal AM Receiver Kit
Data sheet for C-MAX CMMR-6
Video of running demo.