• GAPS Advanced User Submission

• Select Input File

• Select Input Observation File:*

• Select System

• GPS
  On Off
• Galileo
  On Off
• BeiDou
  On Off

• Select Orbit and Clock Products

• GPS Orbit Product
  IGS Final NRCan Final IGS Rapid NRCan Rapid IGS Ultra-Rapid
• GPS Clock Product
  IGS Final NRCan Final IGS Rapid NRCan Rapid IGS Ultra-Rapid
• Galileo/BeiDou Orbit Product
  CODE Final TUM Final CNES Final WUM Final GFZ Final GFZ UR
• Galileo/BeiDou Clock Product
  CODE Final TUM Final CNES Final WUM Final GFZ Final GFZ UR

• Select GPS Observables

• Frequency 1 Carrier-Phase
  L1W L1X L1C
• Frequency 1 Pseudorange
  C1W C1C
• Frequency 2 Carrier-Phase
  L2W L2P L5X L5X and L2W
• Frequency 2 Pseudorange
  C2W C2P C2C C2C and C2W C5X

• Select Galileo Observables

• Frequency 1 Carrier-Phase
  L1X L1C
• Frequency 1 Pseudorange
  C1W C1C
• Frequency 2 Carrier-Phase
  L5X (E5a) L5Q (E5a) L7X (E5b) L7Q (E5b) L8X (E5) L8Q (E5)
• Frequency 2 Pseudorange
  C5X (E5a) C5Q (E5a) C7X (E5b) C7Q (E5b) C8X (E5) C8Q (E5)

• Select BeiDou Observables

• Frequency 1 Carrier-Phase
  L1I L1Q
• Frequency 1 Pseudorange
  C1I C1Q
• Frequency 2 Carrier-Phase
  L7I L7Q
• Frequency 2 Carrier-Phase
  C7I C7Q

• A-Priori Coordinates

• X (m) / Latitude (dd.mmssssss)
• Y (m) / Longitude (dd.mmssss)
• Z (m) / Height (m)
• A-Priori Coordinate Constraint (m)

• Data Processing

• Initial Time (hhmmss)
• Final Time (hhmmss)
• Positioning Mode
  Static Kinematic
• Elevation Cutoff Angle (deg)
• A-Priori Carrier-Phase Standard Deviation (m)
• A-Priori Pseudorange Standard Deviation (m)
• Maximum Iterations per Epoch
• GDOP Cutoff
• Convergence Limit (m)
• Static Clock Interpolation
  On Off

• Neutral Atmosphere Delay

• Estimate NAD
  On Off
• A-Priori NAD Prediction Model
  UNB-VMF1 (NCEP) UNB-VMF1 (CMC) VMF1 (ECMWF) UNB3m GPT2 (1x1 deg.) ESA 2.5 None
• Mapping Functions
  Vienna Niell
• A-Priori NAD Standard Deviation (m)
• NAD Process Noise (mm/√hr)
• Tropospheric Gradient Estimation
  On Off
• A-priori Gradients (m)
• A-priori Gradients Standard Deviation (m)
• Gradients Process Noise (mm/√hr)
• Select Input Meteorological File:

• Select Kinematic KML Type

• KML Type
  Line Point

• User Receiver Antenna Calibration

• User Antenna Calibration File
• File must conform to GAPS ANTEX format. An example of the GAPS ANTEX antenna calibration format can be found here.

• Site Displacement Effects

• Apply Earth Body Tides
  Yes No
• Apply Ocean Tidal Loading
  Yes No
• If your station is in our list you do not need to upload a file. If not, you can submit your own in BLQ format. Ocean tide loading data available here.
• User BLQ Files

• Reference Frame

• Select Reference Frame
  ITRF2014 ITRF2008 ITRF2005 ITRF2000 ETRF2005 ETRF2000
• Transformed coordinates, if selected, will appear in the .tra output file.

• Email

• E-mail*



• Process
• * Mandatory fields
• Should be Empty: