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: 32.229861
Longitude: -99.628694

Site Elevation:
664.81 meters

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

Height Above Average Terrain:
185.2 meters, based on 8 radials.

HAAT Along Each Radial:

Azimuth HAAT
0198.16
45178.37
90205.47
135190.86
180176.38
225185.59
270164.05
315182.73