VLF Grabber in Nuernberg, JN59NJ (upload every 10 or 30 minutes)


VLF wideband colour-DF, 2.93 Hz FFT resolution, 2 minute scrolling


17.47 kHz "QRSS-60", 22.8 mHz FFT resolution, 10 second scrolling


17.47 kHz phase colour, 477 Hz FFT resolution, 10 minute scrolling (earlier spectrogram)


17.4701 kHz amplitude and phase plot


8.27 kHz, 477 Hz FFT resolution, 10 minute scrolling


8.27 kHz, 20.93 Hz FFT resolution, 2 hour scrolling, EbNaut data export

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