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: 37.933056
Longitude: -107.833667

Site Elevation:
3214.27 meters

Radiation Center Above Mean Sea Level (RCAMSL):
3229 meters

Height Above Average Terrain:
-86 meters, based on 8 radials.
(rounded from -85.73 m)

HAAT Along Each Radial:

Azimuth HAAT
0-111.72
45-341.13
90-130.36
135-363.01
180-313.63
225-38.71
270424.58
315188.11