Reference Information

Payload Computer – Beaglebone component of payload controller

Payload Controller – Board consisting of the payload computer and payload FPGA

Payload Transmission Laser (or just Transmission Laser after being introduced) – 1550 nm downlink data laser

Payload Beacon Laser – 638 nm laser aligned to the satellite’s body pointing

Optical Ground Station (OGS) Beacon Laser – 1064 nm laser aligned to the OGS telescope

ADCS – Attitude Determination and Control System

AFT – Allowable Flight Temperature

AIT – Assembly, Integration and Testing

APD – Avalanche Photodiode

I²C – Inter-Integrated Circuit

CAN – Controller Area Network

CDH – Command and Data Handling

CDR – Critical Design Review

cFS – Core Flight System

COTS – Commercial Off-The-Shelf

CPolSK – Circular Polarization Shift Keying

CSLI – CubeSat Launch Initiative

CSP – Cubesat Space Protocol

CSS – Coarse Sun Sensor

CTE – Coefficient of Thermal Expansion

DNE – Do Not Exceed

EDFA – Erbium-Doped Fiber Amplifier

EMI – Electromagnetic Interference (Testing)

EPS – Electrical Power System

FAA – Federal Aviation Administration

FCC – Federal Communications Commission

FPGA – Field-programmable Gate Array

FRR – Flight Readiness Review

FSM – Fast (or Fine) Steering Mirror

FSS – Fine Sun Sensor

GEO – Geosynchronous Equatorial Orbit

GFSK – Gaussian Frequency-Shift Keying

HWP – Half-Wave Plate (or Half Waveplate)

IARU – International Amateur Radio Union

ITU – International Telecommunication Union

LD – Laser Diode

LEO – Low Earth Orbit

MEMS – Micro-electromechanical System(s)

MOI – Moment of Inertia

MPE – Maximum Predicted Environment

NASA – National Aeronautics and Space Administration

OBC – On-Board Computer

OGS – Optical Ground Station

PAT – Pointing, Acquisition and Tracking

PD – Photodiode

PDR – Preliminary Design Review

PDU – Power Distribution Unit

PPM – Pulse Position Modulation

PPRR – Pre-Procurement Readiness Review

PULSE-A – Polarization-modUlated Laser Satellite Experiment

QKD – Quantum Key Distribution

QPD – Quadrant Photodiode (Quad cell, four quadrant diode, etc.)

QWP – Quarter-Wave Plate (or Quarter Waveplate)

RFGS – Radio Frequency Ground Station

SNR – Signal to Noise Ratio

SRR – System Requirements Review

STK – Systems Tool Kit

TCP – Transmission Control Protocol

TRR – Test Readiness Review

TVAC – Thermal Vacuum Chamber

V&V – Verification and Validation

Spacemanic

Beaglebone Black

CubeSat

GOMspace