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: 31.978611
Longitude: -97.090278

Site Elevation:
213.3 meters

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

Height Above Average Terrain:
-196 meters, based on 8 radials.
(rounded from -195.67 m)

HAAT Along Each Radial:

Azimuth HAAT
0-213.12
45-219.03
90-192.59
135-194.88
180-191.07
225-175.4
270-183.4
315-195.86