Overview of LF Amateur-Band
135.7 - 137.8 kHz, 5 Hz/pix, 0.73 Hz FFT, 1 s scroll, update every 5 min
Transatlantic "Waterhole" and European Transmit Slot
Centered on 137.778 and 136.172 kHz, 22.9 mHz FFT, 10 s scroll
High-Resolution Spectrogram of Transatlantic Slot
137.777 kHz, 424 µHz FFT, 10 min scroll
Digimode Subband (WSPR, FST4W, Opera)
137.4 - 137.6 kHz, 30.5 mHz FFT, 1 min scroll, decoders for FW30 and FW5
Opera Deep-Search Waterfall
137.45 - 137.55 kHz, 0.438 mHz FFT, 10 minute scroll
Opera Deep-Search Correlation Detections
Recent opds detections - Archive of earlier detections - Search list - DL0AO - IZ7SLZ - RN3AUS
EbNaut autodecoder results
