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: 36.397806
Longitude: -105.543889

Site Elevation:
2248.45 meters

Radiation Center Above Mean Sea Level (RCAMSL):
2283 meters

Height Above Average Terrain:
-186.18 meters, based on 8 radials.

HAAT Along Each Radial:

Azimuth HAAT
0-75.64
45-477.74
90-552.5
135-513.3
180-258.43
22571.51
270197.6
315119.04