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: 46.817472
Longitude: -96.802306

Site Elevation:
275 meters

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

Height Above Average Terrain:
104 meters, based on 8 radials.
(rounded from 104.34 m)

HAAT Along Each Radial:

Azimuth HAAT
0107.53
45104.23
90101.72
135102.25
180103.93
225103.22
270105.03
315106.78