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: 47.013306
Longitude: -97.193972

Site Elevation:
286.04 meters

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

Height Above Average Terrain:
302 meters, based on 8 radials.
(rounded from 301.52 m)

HAAT Along Each Radial:

Azimuth HAAT
0300.68
45309.93
90315.31
135313.4
180308
225298.66
270282.45
315283.73