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MARK 6 VLBI DATA RECORDING SYSTEM

Unlocking the Universe with High-Precision Data Recording

Pioneered in collaboration with MIT Haystack Observatory and NASA/GSFC, the Mark 6 is the premier global standard for disk-based VLBI data recording—capturing the first historic image of a black hole.

16 Gbps sustained recording across four 10GigE input ports

Global VLBI standard deployed at leading observatories worldwide

Fully open-source software with Linux OS and COTS hardware

Mark 5 upgrade path with seamless compatibility

View Documentation

Trusted by European VLBI Network, East Asia VLBI Network, and Event Horizon Telescope

Mark 6 VLBI Data Recording System
MIT Haystack Observatory
NASA GSFC

Premier Global Standard for VLBI Data Recording

Proven performance in high-precision astronomical observations and long-baseline interferometry

High-Speed Data Recording

Four 10GigE input ports deliver sustained 16 Gbps recording capability for capturing astronomical data from multiple radio telescopes simultaneously.

Real-world application:

Event Horizon Telescope captured the first image of a black hole using Mark 6 systems deployed across global observatories.

Flexible & Upgradable

COTS hardware architecture supports up to four 8-disk modules with easily upgradeable components, protecting your investment as technology evolves.

Real-world application:

Existing Mark 5 SATA disk modules seamlessly upgrade to Mark 6 with available upgrade kits.

Robust Software Support

Fully open-source software stack (C and Python) running on Linux OS with support for all common VLBI data formats and scatter/gather file system.

Real-world application:

DiFX correlator support for VDIF and Mark 5B data formats enables smooth transition from legacy systems.

Technical Advantages Built In

Four 10GigE Input Ports

16 Gbps sustained recording across multiple telescopes

Up to 32 Disk Slots

Supports four 8-disk modules for massive storage capacity

Linux OS (Debian & CentOS)

Open-source software stack with C and Python

All Common VLBI Formats

VSI-S and XML command set support

DiFX Correlator Support

VDIF and Mark 5B data format playback

Scatter/Gather File System

Manages slow or failed disks without data loss

Mark 6 Documentation and Resources

Comprehensive guides, manuals, and technical documentation for Mark 6 deployment

Purchase Options

Flexible configurations for new systems and Mark 5 upgrades

Full Mark 6 16 Gbps System from Conduant Corp

Complete turnkey system with all hardware and software

SSD OS Disk Option

Faster boot times and improved reliability

Upgrade Existing Mark 5 System to Mark 6

Seamless transition from Mark 5 with upgrade kits

Purchase Mark 6 Disk Modules

Available with or without disks

Upgrade Kits for Mark 5 SATA Modules

Preserve your investment in existing hardware

Global Usage of the Mark 6 VLBI Data Recording System

Deployed at leading observatories and VLBI networks worldwide

Trusted by more than 12 leading observatories and VLBI networks worldwide

Ready to Deploy Mark 6 at Your Observatory?

Our VLBI specialists will design a Mark 6 solution tailored to your observatory's exact requirements—at no cost.

Call (303) 485-2721

Discuss upgrade paths, new systems, and Mark 5 migration strategies.

Conduant Corporation
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