Polar Station NetRS Receiver and Iridium Modem Configuration

Iridium Modem

• A3LA-SA Remote Modem:
        AT&F0: Reset to factory defaults
        AT&D0: Ignore DTR input
        AT&K0: No flow control
        AT+IPR=6,0: Set baud rate to 19200 and disable Autobaud feature
        ATS0=1: Answer on first ring
        ATQ1: Quiet mode
        AT&W0: Write settings to memory register 0
        AT&V: View current configuration if desired

• A3LA-MPT Base Modem:
        AT&F0: Reset to factory defaults
        AT&D0: Ignore DTR input
        AT&K0: No flow control
        AT+IPR=6,0: Set baud rate to 19200 and disable Autobaud feature
        AT&W0: Write settings to memory register 0
        AT&V: View current configuration if desired

NetRS GPS Receiver

UNAVCO Polar standard configuration settings for Iridium-equipped sites are listed below. Individual settings may vary depending on specific application and/or project PI request.

Commonly modified settings are highlighted in red.

As of April 2009, UNAVCO uses NetRS Firmware 1.1-5 for Polar applications.

• Receiver Status:
        Identity: Set System Name

• Satellites:
        GPS Enable/Disable: All Enabled
        WAAS Tracking: Off
        Data: N/A

• Data Logging:
        Primary Session: ENABLED
              Select Session: 60min, Enabled: Checked
              Schedule:
                    Continuous Logging: Checked
                    File Durations: 60 minutes
              Data Format: T00
              T00 Options:
                    Measurement Interval: 30 Sec
                    Position Interval: 5 min
                    Smooth Code Phase: NOT Checked
                    Smooth Carrier Phase: NOT Checked
              File Naming:
                    ’S’ (The Session Identifier) is: a
              Directory Options:
                    Create Per-Day Subdirectories: Checked
        Secondary Session: NOT ENABLED
              Select Session: 1Hz_1hr, Enabled: NOT Checked
              Schedule:
                    Continuous Logging: Checked
                    File Durations: 60 minutes
              Data Format: T00
              T00 Options:
                    Measurement Interval: 1 Sec
                    Position Interval: 5 Min
                    Smooth Code Phase: NOT Checked
                    Smooth Carrier Phase: NOT Checked
              File Naming:
                    ’S’ (The Session Identifier) is: b
              Directory Options:
                    Create Per-SessionId Subdirectories: Checked
        AutoDelete:
              Reserved Space: AutoDelete: NOT Checked. (AutoDelete may be desirable for certain applications; consult UNAVCO).
              Session Pools: None Defined
        Power Saving:
              Power Down Between Sessions Mode: No
              Failsafe Wakeup Alarm: Yes, for 10 minutes every 24 hours

• Receiver Configuration:
        Antenna: Enter site-specific antenna parameters
        Clock Steering: Enabled
        Multipath: Disabled
        L2C Tracking: Disabled
        Masks:
              Elevation Mask: 7
              PDOP Mask: 99
        One Pulse Per Second: Disabled
        Reference Frequency: Internal
        Configuration Files: After receiver has final configuration, create a configuration file named "NAME_config_mm-dd-yy.txt" and download copy to a separate computer.
        Shutdown Voltage: 10.680
        System Reset: N/A

• Internet:
        Ethernet:
              Static IP:
                    IP Address: 192.168.1.2
                    MTU: 1500
                    Netmask: 255.255.255.0
                    Gateway: 192.168.1.1
        HTTP:
              HTTP Standard Port 80: Enabled
              HTTP Alternate Port 8080: Disabled
              HTTPS Standard Port 443: Enabled
              HTTPS Alternate Port 8443: Disabled
        IP Filtering: Disabled
        FTP:
              Anonymous FTP: Enabled without Delete
              Named FTP: Disabled
              Administration FTP: Disabled
              FTP Server Port: Use Standard Port
        NTP Client: Disable using NTP time servers

• I/O Configuration:
        Port Configuration, Serial Port 2: ENABLED
              Service: PPP
              Baud: 19200
              Flow Control: None
              Parameters for PPP mode:
                    Local IP Address: 192.168.xx.2 (xx is two digit number, unique to each site)
                    Remote IP Address: 192.168.xx.1 (xx is two digit number, unique to each site)
                    Connection: Direct
        Port Configuration, Serial Port 4: ENABLED (optional)
              Service: Met-Tilt
              Baud: 19200
              Parity: None
              Flow Control: None
              Parameters for Met-Tilt mode:
                    Command: 0R0
                    Schedule: 30 minutes
        Reference Station: N/A
        Client Authentication: N/A
        Port Advertising: Disabled
        PPP Dialout: N/A

• Security:
        Access:
              System Controls: Unrestricted
              GPS Controls: Unrestricted
              File Access: Unrestricted
        Accounts: N/A
        Change Password: N/A

• Firmware: 1.1-5

• Programmatic Interface: N/A