NTP – Network Time Protocol
SNTP – Simple Network Time Protocol
GPS – Global Positioning System
UTC – Coordinated Universal Time
MSF – Radio Time Signal for United Kingdom
WWVB – Radio Time Signal for American
DCF – Radio Time Signal for Germany
LAN – Local Area Network
UDP – User Datagram Protocol
TCP – Transmission Control Protocol
IP – Internet Protocol
TDF – Radio Time Signal for France
CHU – Radio Time Signal for Canada
JJY – Radio Time Signal for Japan
HBG – Radio Time Signal for Switzerland
USB – Universal Serial Bus
RTC – Real Time Clock
AM – Amplitude Modulation
APM – Automatic Power Management
DES – Data Encryption Standard
ESD – Electrostatic Discharge
FM – Frequency Modulation
IETF – Internet Engineering Task Force
IRIG – Inter-Range Instrumentation Group
MD5 – Message Digest
PPM – Part Per Million
PPS – Pulse Per Second
RFC – Request For Comments
SA – Selective Availability
TAI – International Atomic Time
SI – International System of Units