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: 33.123417
Longitude: -96.096667

Site Elevation:
155.22 meters

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

Height Above Average Terrain:
28 meters, based on 8 radials.
(rounded from 27.92 m)

HAAT Along Each Radial:

Azimuth HAAT
018.83
4530.79
9034.91
13543.1
18034.3
22534.5
27020.78
3156.13