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: 34.623417
Longitude: -98.271444

Site Elevation:
396.97 meters

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

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

HAAT Along Each Radial:

Azimuth HAAT
0122.06
45133.24
90142.3
135151.78
180142.24
225151.8
270135.79
315120.44