January 20, 2012 Installation of GNSS deep drilled brace monuments 01/20/2012 The installation of GNSS deep drilled brace monuments at GGAO was completed. Multi-Constellation GNSS receivers, antennae/radomes, and supporting data collection computer have been installed at GGAO and are operating and actively collecting data. Both GNSS receivers are Delta-series units from Javad. View Images Link https://earth.gsfc.nasa.gov/geo/networks/sgp/multimedia/slideshows/drilled-brac…
