| Classical model for VHF | |||
| Model type | Frequency range | Application | Developed by |
| HATA | >2500 MHz | The urban land, shrub, open land | Hata (1980) |
| COMSITE | Up to 2000 MHz | For vegetation cover | Li Qing |
| OKUMRA | 150 - 1920 MHz | An irregular terrain and environmental clutter | Okumra et al. |
| LEE | 1 - 100 MHz | Forest area | Y. S. Meng Y. H. Lee |
| Current HF Propagation | |||
| MODEL TYPE | Frequency range | Application | Developed by |
| ICEPAC | 1.5 - 30 MHz | Through ionosphere | ITU |
| ASAPS | 1 - 45 MHz | Through ionosphere | ITU |