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: 33.160111
Longitude: -87.515000

Site Elevation:
119.66 meters

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

Height Above Average Terrain:
189 meters, based on 8 radials.
(rounded from 188.62 m)

HAAT Along Each Radial:

Azimuth HAAT
0188.53
45156.82
90158.56
135172.78
180179.62
225218.9
270224.55
315209.2