Site guidelines for multi-purpose GNSS reflectometry stations

The following special site guidelines are for station operators interested in sharing their installations for multiple purposes, specially for GNSS Reflectometry (GNSS-R) applications. They complement the International GNSS Service (IGS) Site Guidelines and its Clarifications in a voluntary non-official way. It was produced by the Working Group 4.3.9 on GNSS-R of International Association of Geodesy (IAG) during the 2015-2019 term.

Updates:
2021-08-25: formula for FFZ center;  visibility requirements for water sensing; similar items grouped as subitems.
2021-02-16: site photographs
2020-11-15: general language