VLF signal level measurements

Real-time VLF measurements and archived data since December 2005 are available and may be selected using the following menus. This page updates dynamically every 5 minutes.
Current time: Current Time
Show Sunrise and Sunset Times
GOES X-ray Flux
Measurements plot: DHO38 on 23.4kHz on November 7, 2009 Click to enlarge the plot.
Sun Altitudes at the sub-reflective point for DHO38 on 23.4kHz on November 7, 2009 Click to enlarge the plot.
Current Solar Activity: Graphe généré avec RRDTool.
Database handled by RRDTool
solar x-rays: solar x-rays status X-Ray Flux Legend
geomagnetic field: geomagnetic field status Geomagnetic Flux Legend
Source: n3kl.org

-- For Information Only - May contain inaccurate or erroneous data --

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