VLBI standards

This is the IVS repository for VLBI standards and related resources. Some resources are archived from a previous site, and some of the links may no longer be active.

If you would like to suggest an addition or change, please email ivs@mit.edu. Thank you.

VLBI standards for scientists and engineers:
https://vlbi.org/vlbi-standards/

VSI:
https://vlbi.org/vlbi-standards/vsi/

VEX:
https://vlbi.org/vlbi-standards/vex/

VDIF:
https://vlbi.org/vlbi-standards/vdif/

VTP:
https://vlbi.org/wp-content/uploads/2019/03/2012.10.16_VTP_0.9.7.pdf

VLBI technical resources:
https://vlbi.org/vlbi-standards/resources/

International VLBI Service for Geodesy and Astrometry