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: 33.151528
Longitude: -95.603722

Site Elevation:
149.69 meters

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

Height Above Average Terrain:
42 meters, based on 8 radials.
(rounded from 42.08 m)

HAAT Along Each Radial:

Azimuth HAAT
043.69
4554.24
9061.4
13540.84
18037.15
22524.22
27037.76
31537.35