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: 25.773722
Longitude: -80.194444

Site Elevation:
2.13 meters

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

Height Above Average Terrain:
102 meters, based on 8 radials.
(rounded from 101.81 m)

HAAT Along Each Radial:

Azimuth HAAT
0100.51
45102.91
90102.92
135102.92
180103
225100.16
270100.91
315101.15