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Space Flight Lab launches NORsat-1 and 2 microsatellites

Monday 17 July 2017 | 12:33 CET | News

Space Flight Laboratory (SFL) said it has launched two microsatellites developed and built by SFL for the Norwegian Space Centre with support from the Norwegian Coastal Authority, Space Norway, and the European Space Agency. The Soyuz-2.1a rocket carrying the satellites into orbit launched from Baikonur at 06:36 hrs on 14 July. Shortly after launch, both satellites were contacted from ground stations in Svalbard and Vardo in Norway.

Both satellites are healthy, judging from initial telemetry, and commissioning is underway. The first satellite, called NORsat-1, carries an Automatic Identification System (AIS) receiver to acquire messages from maritime vessels, a set of Langmuir probes to study space plasma characteristics, and a Compact Lightweight Absolute Radiometer (CLARA) to measure total solar irradiation and variations over time.

The payloads were provided by Kongsberg Seatex, the University of Oslo and the Physikalisch-Meterologisches Observatorium Davos World Radiation Centre.

The satellite weighs approximately 15 kilograms with main body dimensions of 20 cm by 30 cm by 40 cm. NORsat-1 uses SFL's Next-generation Earth Monitoring and Observation (NEMO) platform, and will serve the Norwegian Coastal Authority in monitoring maritime traffic, while also performing what SFL called ground-breaking science.

NORsat-2 also carries an AIS receiver, but also has a VHF Data Exchange (VDE) payload that will enable higher bandwidth two-way communication with ships. Both payloads were provided by Kongsberg Seatex. NORsat-2 will be the first satellite to provide VDE services to Norway.

Adding VDE enables increased messaging capacity, better reliability of message delivery, and increased range of ship-to-shore and ship-to-ship communication beyond direct line of sight.

SFL's NEMO platform was used for NORsat-2, and the satellite was integrated in Toronto along with NORsat-1. The relatively large deployable Yagi antenna for the VDE payload was developed by SFL in collaboration with the University of Toronto's Electromagnetics Group.



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