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Article

Laser Link in Space

February 20, 2025

The CLICK (CubeSat Laser Infrared CrossLinK) mission demonstrates high-speed data transfer between two satellites in low Earth orbit using infrared lasers at 20 Mbps. By employing pulse-position modulation, the satellites encode information based on the precise timing of laser pulses, synchronized using chip-scale atomic clocks (CSACs) for nanosecond-level accuracy. This precise synchronization enables the satellites to achieve 50 cm ranging precision and reliable time-of-flight measurements, essential for future space communication networks.

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Article

CubeSat Handling of Multisystem Precision Time Transfer

December 1, 2018

CHOMPTT is emitting StenSat packets, an AX.25 UI frame sent using AFSK1200 modulation. You can help us keep track of CHOMPTT's status by uploading these packets. Listen for the beacon at a carrier frequency of 437.56 MHZ with 1200 baud AFSK modulation. There are "Bus packets" (CHOMPTT) and "Opti packets" (OPTI). Since StenSat cannot send binary data, all telemetry is encoded in ASCII85.

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  • Mechanical & Aerospace Engineering

  • Precision Space Systems Laboratory
    PO Box 116250
    Gainesville FL, 32611-3250


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  • Mechanical & Aerospace Engineering
    University of Florida - PSSL (Conklin)
    1064 Center Drive
    Building NEB - Room 181 - Lab 185
    United States of America
    Phone: 352-294-3390

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  • Linda Curwick
    lindacurwick@ufl.edu


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    jwconklin@ufl.edu

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