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: 31.936833
Longitude: -96.416083

Site Elevation:
97.38 meters

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

Height Above Average Terrain:
12 meters, based on 8 radials.
(rounded from 12.13 m)

HAAT Along Each Radial:

Azimuth HAAT
05.47
4514.13
9028.83
13518.6
1804.6
225-3.53
27016.03
31512.9