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: 43.755778
Longitude: -116.099167

Site Elevation:
2144.61 meters

Radiation Center Above Mean Sea Level (RCAMSL):
2215 meters

Height Above Average Terrain:
824 meters, based on 8 radials.
(rounded from 824.26 m)

HAAT Along Each Radial:

Azimuth HAAT
0632.6
45655.48
90866.57
135831.45
180676.09
2251041.14
270970.44
315920.31