If you want to focus on the lower bands to 30 MHz? But https://macijauskas.org/shortwave you will find a very nicely prepared for a long bandplanning, medium and short waves. Source substrates were:
- IARU Region 1 bandplán
- IARU Region 2 bandplán
- IARU Region 3 bandplán
- The frequency bands allocated for terrestrial broadcasting service
- shortwave bands
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