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: 37.801361
Longitude: -109.425667

Site Elevation:
2507.9 meters

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

Height Above Average Terrain:
-2324 meters, based on 8 radials.
(rounded from -2323.56 m)

HAAT Along Each Radial:

Azimuth HAAT
0-2451.83
45-2180.96
90-2083.93
135-2089.43
180-2088.66
225-2206.64
270-2574.62
315-2912.39