Colour Directional Spectrograms received by DF6NM in JN59NK - (c) Spectrum Lab by DL4YHF

Fullband View (135.6 - 138.2 kHz)

Scales: 5 Hz/pix - 2 s/pix - lin 2 µV/m fullscale - 0.34 Hz FFT - update every 30 min

Transatlantic Waterhole (137774.8 - 137781.4 Hz)

Scales: FFT res. 21 mHz/pix - 15 s/pix - lin 0.2 µV/m fullscale - update every 30 min

Announcement to the RSGB LF-reflector on Oct 30, 2004 - Click here to go back to the future