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: 37.261500
Longitude: -107.903722

Site Elevation:
2337.88 meters

Radiation Center Above Mean Sea Level (RCAMSL):
2399 meters

Height Above Average Terrain:
133 meters, based on 8 radials.
(rounded from 132.55 m)

HAAT Along Each Radial:

Azimuth HAAT
0-62.38
4532.88
90225.39
135357.81
180366.6
225142.53
27061.83
315-64.23