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NOAA/NOS/CO-OPS
DIAGTOOL
Diagnostic Tool to Identify Failure Points

Diagtool Help

Version Release Date Changes/Updates Description
4.0 Beta April 2025
  • PERL -> Python
  • Bootstrap version: 5.3.3
  • jquery version: 3.7.1
  • jquery-ui version: 1.14.1
  • Highcharts version: 8.1.2
  • 4.0 August 9, 2026 Replaced DiagTool v3 to DiagTool v4 completely
    4.0.1 August 10, 2026 DIAG-283: Modified the Station Diagnostics Menu Structure
    DIAG-285: Fixed two issues - One data point mean issue and vis alarm code with 'None' data

    Station Configuration Details and GOES/Iridium Message Description Help

    Where can I view Satellite Message Details?
    Click Station Diagnostics from the Diagtool main menu then on the next webpage, select the type of satellite (GOES or Iridium). The next page will prompt you to select a station and one of three options (one in Iridium for now). The application will retrieve today's GOES/Iridium messages information by default. If interested in other day, change the Date field and click Retrieve. The application will then retrieve the GOES or Iridium message for that day. Click the Received or other tab and select the GOES/Iridium message to view detailed information.
    Click on the GOES message to view
    Where can I view Station Configuration page?
    Click Station Diagnostics from the Diagtool main menu then on the next webpage, select the type of satellite (GOES or Iridium). . Select a station and after the application finishes retrieving today's GOES messages status information, click the configuration tab. The Station tab displays the DCP installation dates; the Installed tab lists all installed sensors and DCP components; the Sensors tab lists all sensor types configured and which sensors are presently disseminating; and the DCP tab lists satellite transmission parameters.

    Station - All Sensors Plotting Help

    Click Station - All Sensors Plotting from the Diagtool main menu. Type all or part of the station name or station ID in the station box and click the station you are intersted in. Please note that the selected station name should be included station ID. Select the options and date range and click 'Get Plots'. This will bring up plots of all sensor configured and transmitting for the station.

    How to disable and enable a plot line?
    Click on the sensor ID/DCP # to enable or disable a line displaying on the plot in the sensors box. Enable and Disable Plot Line Instruction
    Why does no data show up?

    There are many factors why the Diagtool product doesn't display data.
    1) If the green processing bar with a message of 'Plots Generating, please wait...' is still displaying with at least one time series plot displaying or no plots display, the Javascript that generates the time series plot(s) might be crashed. Notify the Diagtool Support Team with your selected station and date entries.
    2) Check the Data tab and see if your selected station has the data of the sensor(s) that you seek for. If not, see #3. If yes, notify the Diagtool Support Team including the missing plot description, station name, and date entries.
    3) For the most common metadata issues that affect DIS, the users should check on DPAS/NPDB PowerBuilder for the following if the station/DCP is properly configured:

    • Is a platform ID configured for the station ID / DCP?
    • Is the specific sensor configured for the station ID / DCP?
    • Are sensor and datum offsets configured for the station ID / DCP?
    • If N1 / T1 or B1, are the appropriate gain/offsets configurated?

    3a) If everything is configured in #3, go to the tab of "How to report an issue?".

    How can I adjust the plot?
    You can adjust the plot a few different ways. If you wish to change the Y-scale, you can type the new max and min values in the box to the right of the plot or use the up and down arrows to change these values and then click 'Update Y-axis'. If you wish to view data for the previous or next day, you can use the left and right arrows to the right of the plot. If you wish to zoom in to an area, you can click and drag the mouse cursor horizontally across the desired period. When you are done, click 'Reset Zoom' in the upper-right corner.
    How do I view raw data?
    If you hover the mouse cursor over the plot, you will be able to view the individual values for that time. This is an improvement over the previous Diagtool plots. A listing of raw sensor data for all sensors can be viewed by clicking on the Data tab in the upper-left. Most recent data will be towards the bottom. You can export raw data using the 'Export to CSV' button in the upper-left. You can also view a summary of sensor parameters such as min and max values, number of samples, mean and standard deviation to the right of each plot.

    Multi-Stations Plotting Help

    Click Mulit-Stations Plotting from the Diagtool main menu. Select a sensor first that will prompt a list of the stations where your selected sensor is in operational.

    • To select stations between station(s) you don't want to use, press and hold ctrl and click on the station names you want to use.
    • To select stations consecutive, press and hold shift and click on station names.
    • To select a station that you are interested to view only one sensor plotting, select a station.

    How to report an issue

    Please email the Diagtool Support Team/ISD (see the footer/bottom of the Diagtool web page), please describe the issue you have faced, on which DiagTool product(s), station(s), and the date entries that you selected.

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