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: 39.552750
Longitude: -107.330583

Site Elevation:
1752.63 meters

Radiation Center Above Mean Sea Level (RCAMSL):
1830 meters

Height Above Average Terrain:
-582 meters, based on 8 radials.
(rounded from -582.31 m)

HAAT Along Each Radial:

Azimuth HAAT
0-1222.65
45-860.37
90-606.2
135-288.85
180-387.76
225-587.98
270-201.59
315-503.05