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: 29.562556
Longitude: -95.509972

Site Elevation:
22.44 meters

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

Height Above Average Terrain:
-19 meters, based on 8 radials.
(rounded from -19.49 m)

HAAT Along Each Radial:

Azimuth HAAT
0-19.87
45-17.66
90-18.39
135-18.9
180-17.88
225-18.91
270-20.31
315-24.04