Sokkia RTK OAF Options for GCX3 GNSS Receiver
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Sokkia RTK OAF Options for GCX3 GNSS Receiver

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These OAF Options are for the Sokkia GCX3 GNSS Receiver

The Sokkia RTK OAF Options are available in seven modules to suit any surveying needs. Please select your preference from the drop-down menu above.


  • 1017114-02: OAF+, LongLink RTK GGD 10Hz

This OAF is used for L1 and L2 RTK, but only between two receivers (base and rover solution). It utilizes Bluetooth as a communication protocol and can be used for real-time layout.


  • 1017114-04: OAF+, LongLink & Network Rover 10Hz GGD RTK

Used in L1 and L2 RTK, this OAF enables both Network RTK solution and LongLink Bluetooth communication. It is a combination of two powerful features, making it ideal for real-time layout.


  • 1017114-03: OAF+, Network Only RTK, GGD 10Hz

This OAF is used for L1 and L2 RTK, but using only a Network RTK solution. Surveyors must have access to an RTK reference network (i.e. Florida DOT, Ohio DOT, etc.) to process the RTK corrections. It can also be used for real-time layout.


  • 1017114-01: OAF+, Static, GGD, 1 Hz

Used in control surveys, this OAF is for L1 and L2 post-processing only. With no real-time capability, it is used for static sessions where surveyors occupy the reference point for 10-15 minutes and then process the data afterward.


  • 1025071-01: OAF-U, Fusion to Net RTK GGD 10Hz

This OAF upgrade is used in L1 and L2 RTK which optimizes results in Network RTK solution and the Fusion Lock technology in obtaining precise position data. It processes both leading features to produce a reliable real-time data.


  • 1017115-01: OAF-U GCX3 ADD BDS B1/B2

This OAF supports Beidou Navigation Satellite System (BDS) B1 and B2 parameters. The B1 band features a 1,559.05 MHz to 1,563.15 MHz with a center frequency of 1,561.1 MHz and a bandwidth of 4.092 MHz. Also, the B2 band has a 1,195.14 MHz to 1,219.14 MHz with a center frequency of 1,207.14 MHz and a bandwidth of 24 MHz.


  • 1017116-01: OAF-U GCX3 ADD Galileo E1

This OAF supports the Galileo E1 signal. This supports precision professional receivers that adapts the GPS technology. Also, the Galileo E1 signal range from 4 to 16 MHz.


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