HAAT Calculator & Elevation Finder

Calculate elevation and height above average terrain (HAAT) using the FCC's API.

NAD83 Latitude:
- ' " *

NAD83 Longitude:
- ' " *

Radiation Center Height:
meters   *

- Above Mean Sea Level (RCAMSL)
- Above Ground Level (RCAGL)

Number of Radials:

Terrain Database:

Legacy FCC30 terrain is not available through the FCC API. Use the FCC HAAT Calculator instead.

Station Class for ERP Check: (optional)

Decimal Coordinates:
Latitude: 38.446639
Longitude: -106.011111

Site Elevation:
3562.71 meters

Radiation Center Above Mean Sea Level (RCAMSL):
3565 meters

Height Above Average Terrain:
820 meters, based on 8 radials.
(rounded from 819.56 m)

HAAT Along Each Radial:

Azimuth HAAT
01258.46
451056.6
901086.32
135-4.86
180881.49
225619.94
270634.51
3151024