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: 30.564083
Longitude: -104.162917

Site Elevation:
2124.78 meters

Radiation Center Above Mean Sea Level (RCAMSL):
2213 meters

Height Above Average Terrain:
447 meters, based on 8 radials.
(rounded from 447.14 m)

HAAT Along Each Radial:

Azimuth HAAT
0149.59
45364.57
90423.17
135529.73
180523.46
225582.7
270573
315430.89