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: 42.078889
Longitude: -86.466944

Site Elevation:
191.52 meters

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

Height Above Average Terrain:
-191 meters, based on 8 radials.
(rounded from -190.7 m)

HAAT Along Each Radial:

Azimuth HAAT
0-177.83
45-202.37
90-212.7
135-195.66
180-200.22
225-182.91
270-177.27
315-176.65