SABER

situational beacon and reply (system)

SAM

self-assembled monolayer

S&T

science and technology

SAW

surface acoustic wave

SECNAV

Secretary of the Navy

SINCGARS

single-channel ground and airborne radio system

SPAWAR

Space and Naval Warfare Systems Command

STAR

special technology area review

TARA

technology area review and assessment

TCXO

temperature-compensated crystal oscillator

TDMA

time division multiple access

TDOA

time difference of arrival

TWSTT

two-way satellite time transfer

UERE

user equivalent range error

USAF

U.S. Air Force

USNO

U.S. Naval Observatory

UTC

Coordinated Universal Time

VCO

voltage-controlled oscillator

XO

crystal oscillator



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