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: 30.379917
Longitude: -96.100222

Site Elevation:
62.47 meters

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

Height Above Average Terrain:
40 meters, based on 8 radials.
(rounded from 40.23 m)

HAAT Along Each Radial:

Azimuth HAAT
049.27
4530.37
9021.39
13533.59
18058.12
22537.1
27052.96
31539.06