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: 36.553083
Longitude: -105.195000

Site Elevation:
3052.46 meters

Radiation Center Above Mean Sea Level (RCAMSL):
3433 meters

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

HAAT Along Each Radial:

Azimuth HAAT
0295.24
45832.16
901047.97
135504.87
180404.71
225822.39
270628.07
315678.89