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Knowledge Base

SuomiNet - Site Configurations

Note - content is provided for historical continuity and may be out of date. The UNAVCO SuomiNet pages are not actively maintained, and up-to-date SuomiNet information should be obtained from UCAR’s COSMIC program at: www.cosmic.ucar.edu/suominet.html

  • Configuration 1 - Standard atmospheric (and geodetic) site

    All components are typically in the same building, but the GPS antenna may be mounted on a seperate monument to improve stability and/or sky visibility. [Right-click on the diagram below and select "View Image" for a larger version.]


    [See components key under Configuration 3, below.]

  • Configuration 2 - Atmospheric AND geodetic site

    Same as Configuration 1, except using an IGS chokering antenna, SCIGN antenna mount, and a SCIGN Tall radome. These are supported on a LIMITED basis. Contact Bjorn Johns (bjornunavco.org) at UNAVCO for more information.

  • Configuration 3 - Standard atmospheric or atmospheric/geodetic site with a radio modem link

    Like Configuration 1, except with a radio modem link for the serial connection between the GPS receiver and the computer. In this configuration, only one serial link is used.

    Configuration 3 Components:

    1. Trimble Microcentered geodetic GPS antenna
    2. Grounded lightning protector
    3. Trimble 4700 GPS receiver
    4. Meteorological package sensor
    5. Meteorological package body (Vaisala only)
    6. Serial surge protector
    7. System computer
    8. Trimble power supply p/n 30413
    9. Wireless radio
    10. Backup power supply
    11. Gen power connector

    Cables:

    a. GPS antenna cable - N male to N male, RG-214
    b. GPS antenna cable - N male to 1-shell Lemo Coaxial P male, RG-214
    c. GPS to meteorological package cable - 0-shell Lemo male to DB9 male
    d. Serial/power cable p/n 32345 - 7 p Lemo to DB9
    e. Serial cable - DB9 male to DB9 female
    f. Power cable
    g. DB9 null modem adapter
    h. DB9 male-male adapter

  • Configuration 4 - Atmospheric/geodetic site with a radio modem link

    Like Configuration 2, except with a radio modem link for the serial connection between the GPS receiver and the computer. In this configuration, only one serial link is used.

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Last modified: 2019-12-27  16:36:35  America/Denver