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: 39.078694
Longitude: -108.565861

Site Elevation:
1404.11 meters

Radiation Center Above Mean Sea Level (RCAMSL):
1415 meters

Height Above Average Terrain:
-130 meters, based on 8 radials.
(rounded from -130.09 m)

HAAT Along Each Radial:

Azimuth HAAT
0-72.7
45-221
90-13.06
135-20.86
180-220.94
225-320.1
270-190.46
31518.4