RTK OAF Options for Sokkia GRX3 GNSS Receiver

The RTK OAF Options for GRX3 GNSS receiver is an essential tool that works with your GNSS receiver. This Option Authorization File (OAF) enables easy customization and programming of the receiver depending on the professional or surveyor’s needs. It also offers particular features that suit any required task.

Please Note: This is only a software license. The Sokkia GRX3 GNSS Receiver is sold separately.

Configuration Options

The RTK OAF Options for Sokkia GRX3 GNSS Receiver offers eight modules with varying features to suit any needs. Choose from the menu above.

• 1030773-01: OAF+, GGD, BDS, Galileo, GPS L5, GLO L3 10Hz Net + LL RTK (226 Ch)

This OAF for RTK receivers is used in L1 and L2 RTK that enables both Network RTK solution and LongLink Bluetooth communication. This combination is a great feature for a real-time layout.

• 1030774-01: OAF+, GGD, BDS, Galileo, GPS L5, GLO L3 10Hz Radio + LL RTK (226 Ch)

Used in L1 and L2 RTK, this OAF is used for two receivers (base and rover solution).

• 1030769-01: OAF-U, Add L2 to GG L1, 1Hz Static

The OAF upgrade for RTK receivers that combines the GPS and GLONASS signal reception.

• 1030782-01: OAF-U, GRX3 Add TILT

This OAF upgrade uses the Topcon Integrated Leveling Technology (TILT) that measures the parameters from the Hybrid Inertial Measurement Unit (HIMU) module, receiver navigation coordinates from the GNSS firmware, and a magnetic field map for calibrating tilt angles on a horizontal plane.

• 1030778-01: OAF-U, GRX3 BDS

This OAF upgrade supports the BeiDou Navigation Satellite System that consists of 35 satellites and provides global GPS services.

• 1030777-01: OAF-U, GRX3 Galileo

This OAF upgrade provides horizontal and vertical position measurements within one-meter accuracy, and better positioning services at higher scopes.

• 1030776-01: OAF-U, GRX3 GGD 10Hz to 20Hz RTK

This OAF upgrade is used mostly for RTK solutions when doing real-time layouts.

• 1030781-01: OAF-U, GRX3 GPS/SBAS L5 & GLO L3

This OAF supports the wide-area or regional scale by using geostationary (GEO) satellites for broadcasting the signal increase.