Ultra Low Frequency
Observatory (ULFO) Very Low Frequency Observatory (VLFO) |
Google map click here http://goo.gl/maps/kYQRK (Lat. 44°31'27.70"N - Long. 11° 38'41.97"E)
ULFO: INDUCTION COIL
ULF MAGNETIC FIELD Here the live spectrogram, updated every 15 minutes. It shows the last 8 hours ULF activity, from 0.1 to 35Hz. Bottom part zooms on the 0.1 to 4 Hz range. FFT resolution 21 mHz, scroll time 40 seconds. Spectrogram in 1 hour strips, from 0.1 to 35 Hz. Picture updated every 15 minutes. FFT resolution 84 mHz, scroll time 4.6 seconds. Multistreap spectrogram in 1 day strips, from 0.1 to 10 Hz. Picture updated every 15 minutes. FFT resolution 21 mHz, scroll time 109 seconds. Five days monitoring interaction in the same spectrogram, from 0.1 to 35 Hz. FFT resolution 42 mHz, scroll time 8.35 minutes.
Last 8 hours ULF activity, from 0.1 to 100Hz. Picture updated every 15 minutes. FFT resolution 21 mHz, scroll time 40 seconds. Spectrogram in 1 hour strips, from 0.1 to 100 Hz. Picture updated every 15 minutes. FFT resolution 84 mHz, scroll time 4.6 seconds. Multistreap spectrogram in 1 day strips, from 0.1 to 100 Hz. Picture updated every 15 minutes. FFT resolution 21 mHz, scroll time 109 seconds. Five days monitoring interaction in the same spectrogram, from 0.1 to 100 Hz. FFT resolution 10 mHz, scroll time 8.35 minutes. Last 8 hours VLF activity, from 100 to 22000Hz. Picture updated every 15 minutes. FFT resolution 732 mHz, scroll time 40 seconds. Here below the real time situation about lighting strikes in Europe. Courtesy of http://www.blitzortung.org/
Unattended operations, signal
conditioning, spectrograms and RDF functions are
performed with |