HF Communication
| Preview Image | Organization | Access link | Geographical tag | Domain tag | Theme tag |
|---|---|---|---|---|---|
 |
BoM | HF prediction, regional and global T-index | Global, South-West Pacific (Region V) | HF Communication | Aviation, Space weather |
 |
RRA/KSWC | Usable HF communication frequencies | Asia (Region II) | HF Communication | Aviation, Space weather |
 |
NOAA | Global D-Region Absorption and other products | Global | HF Communication | Aviation, Space weather |
 |
NICT | Global D-region absorption prediction | Global | HF Communication | Aviation, Space weather |