• Flight Ready
  • 80+ Simplex units launched, with 100% mission success
  • Technical Readiness Level 9
  • Orbit tested from 110 to 700 km
  • FCC & Globalstar license compliant
  • Commercial & Research Link
  • Ideal for Beacon, GPS, summary data
• Good link from tumbling satellite (<~3 rpm and 360-degree link)
• Smart Zenith sensor to enforce FCC compliance
• Good polar link, no dropouts
• Microchip Flight micro-controller included analogue and digital IO
• Ground Segment Included
  • No Ground Station Required
  • Near Real-time data to your server
  • Console display software included
• Fully Operational Globalstar & NSL ground segment for data & display
• 8 Bytes/sec, data transferred continuously,
• About 95% of data throughput
• RF packets received a few seconds after first turn-on for con-ops
• Near Real-time data latency: ~1s
• Globalstar ~30 satellites at 1414km
• Globalstar Capacity for TT&C for 1000’s of satellites
• Ideal for Multi-Satellites: Unified/ Time-Ordered Small Sat Database
• Critical Piece for Mission Success
• Fits PocketQube Specifications

Mechanical:

• Dimensions: 15 X 26 X 55 mm
• Weight: 22g
• I/O Interface: DF13, 14-Pin
• Comm Port: DF13, 4-Pin
• Antenna: SMA TX ceramic patch 25mm side square by 7 mm high
• Cooling: Thermal radiator shield
• Enclosure: Open or Shielded

Electrical:

• Input voltage range: 6 – 36 V
• Idle Current @6 V: 29.7 mA (0.18 W)
• Idle Current @15 V: 16.8 mA (0.25 W)
• Tx Current @6 V: 264 mA (1.58 W)
• Tx Current @15 V: 111 mA (1.66 W)

RF:

• Aerospace Modem Globalstar STX-3
• Tx: 1616.25 MHz downlink
• BPSK Modulation
• Radio Astronomy freq. exclusion
• Passive patch antenna
• Antenna Gain: 68 mW
• ERP: 20 dBm
• EIRP: 632 mW (-1.99 dBW)

Data I/O:

• Data input: 38.4 Kbps
• Comm Port: Tx, Rx, Busy, GND
• Effective throughput: 8 Bytes/s
• TTL serial Interface

Microcontroller:

• Ck Freq: 20 MHz
• 10 I/O Lines: User defined, configurable for analog, digital, one wire, counter rate, or comm ports
• Include Temp and Bus Voltage
• Flight Beacon firmware
• Custom firmware

Note: Specifications subject to change without notice (please check with us for updated information)

Based on S2 and S3 Performance:

Temperature:

• Passive heat sink/radiator
• Antenna: -50 to +85 C
• Radio: -30 to +60 C
• Non-Operational: -60 to +100 C

Vibration:

• Delta: 30g
• Atlas Rocket/PPOD: 28g
• Orbital/Nanoracks: 20g
• SpaceX/Rocket Lab/PDOD: 20g

Dose Radiation:

• Spot Shielding
• 9 months in 350 by 700 km orbit
• No dose problems or upsets in SAMA

QA Radio Testing:

• Vibration, Vacuum, Thermal testing
• Multi-day Burn-in
• Final System Testing
• Server/Radio Testing
• Certification

In-Orbit Reliability:

• 100% mission success for all Simplex missions

Customers:

• AFRL, NASA Langley, NASA GSFC, Pumpkin Inc., Nanoracks, many Universities

• Flight Model (FM): S3F
• Engineering Model (EM): S3E
• Power isolated unit
• Custom modification support
• Pumpkin/PC104 Standard form factor
• Smaller form antenna
• Integrated receiver PCB

EyeStar Radio and Black Box Overview

EyeStar-S3 Satellite Simplex v4.1

NSL Voss SSC16-WK-11 Paper AIAA Small Sat Conference 2016 FINAL Update (003)

TSAT Paper AIAA Small Sat Conference 2014 FINAL4