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: 33.332667
Longitude: -112.066028

Site Elevation:
802.33 meters

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

Height Above Average Terrain:
481.06 meters, based on 8 radials.

HAAT Along Each Radial:

Azimuth HAAT
0500.28
45460.89
90452.97
135479.29
180493.88
225500.39
270447.24
315513.53