NTP - Network Time Protocol
SNTP - Simple Network Time Protocol

GPS - Global Positioning System
UTC - Coordinated Universal Time

Leger Uten Grenser - Radio Tid Signal for Storbritannia
Wwvb - Radio Tid Signal for American
DCF - Radio Tid Signal for Tyskland

LAN - Local Area Network
UDP - User Datagram Protocol
TCP - Transmission Control Protocol
IP - Internet Protocol

TDF - Radio Tid Signal for Frankrike
CHU - Radio Tid Signal for Canada
JJY - Radio Tid Signal for Japan
HBG - Radio Tid Signal for Sveits

USB - Universal Serial Bus
RTC - Real Time Clock
AM - Amplitude Modulation
APM - Automatisk strømstyring
DES - Data Encryption Standard
ESD - Electrostatic Discharge
FM - Frequency Modulation
IETF - Internet Engineering Task Force
IRIG - Inter-Range Instrumentation Gruppe

MD5 - Message Digest
PPM - Part Per Million
PPS - puls per sekund
RFC - Request For Comments
SA - Selective Availability
TAI - International Atomic Time
SI - SI-systemet