UTC

Universal Time Coordinated

VAFB

Vandenburg Air Force Base

VDOP

Vertical Dilution of Precision

VME

Versa Module Europa

VRF

Visual Flight Rules

VSWR

Voltage Standing Wave Ratio

WAAS

Wide Area Augmentation System

WADGPS

Wide Area Differential Global Positioning System

WGS

World Geodetic System

WGS 84

Would Geodetic System 1984

XDOP

Cross track Dilution of Precision

Y Code

Encrypted P Code

YPG

Yuma Proving Grounds

1 SOPS

First Space Operations Squadron

2 SOPS

Second Space Operations Squadron

2 D

Two dimensional

3 D

Three dimensional

45 SPW

Forty Fifth Space Wing

50 SPW

Fiftieth Space Wing

F 7