Partners & Collaborators GeoSUN has a long collaborative history with Solargis (formerly GeoModel Solar) on various projects. GeoSUN is the reseller of Solargis products in Africa and beyond. GeoSUN collaborates with CRSES on solar measurement projects like SAURAN as well as calibration for solar measurement instruments. GeoSUN collaborates closely with the African office of Campbell Scientific on various projects and acts as a reseller of their products. GeoSUN collaborates with STERG at UKZN on the calibration of solar sensors. On all our PV module testing projects GeoSUN collaborates closely with NMMU. GeoSUN is a member of STERG and collaborates on solar data for modelling purposes. GeoSUN is the African agent for MBJ products which includes a mobile PV test lab and mobile EL system.