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: 33.151500
Longitude: -95.603833

Site Elevation:
149.69 meters

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

Height Above Average Terrain:
41 meters, based on 8 radials.
(rounded from 41.07 m)

HAAT Along Each Radial:

Azimuth HAAT
042.67
4553.16
9060.33
13539.87
18036.18
22523.2
27036.78
31536.34