Maintenance will be performed on git.ligo.org, chat.ligo.org, and docs.ligo.org, starting at approximately 10am CDT Tuesday 20 August 2019. The maintenance is expected to take around an hour and here will be two short periods of downtime, one at the beginning of the maintenance and another at the end.

gwinc

Gravitational Wave Interferometer Noise (and inspiral range) Calculators