Chip-scale atomic clock approaches performance of modules - EE Times
WWVB 60kHz NIST Radio Controlled Clock Modules, 30dB High Gain Atomic Clock Receiver Module, 100mm Antenna 1.2 to 5V Operating Voltage for Radio/Radio Alarm Clock/Timer (5 PCS) | Walmart Canada
New miniature atomic clock aids positioning in difficult environments - GPS World
Build a DIY Clock that Uses Ultra-Precise Atomic Timekeeping
Embedded Atomic Clocks | Microsemi
60kHz WWVB Atomic Clock Receiver - Compatible With MSF And JJY60
SkyScan Atomic Clock Wireless Indoor Temperature Module | eBay
Miniature Atomic Clock (MAC - SA5X) is only 2 x 2" - Electronics-Lab.com
A New Architecture for Miniaturization of Atomic Clocks Exploiting a Piezoelectric-Thin-Film Vibration From a rack-mount system toward a microchip | Tokyo Tech News | Tokyo Institute of Technology
WWVB NIST Radio Time Receiver Kit - WRL-10060 - SparkFun Electronics
Atomic Clock - SPX-14830 - SparkFun Electronics
CANADUINO® 60kHz WWVB Atomic Clock Receiver - Compatible with MSF and JJY60: Amazon.com: Industrial & Scientific