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: 30.096639
Longitude: -95.627944

Site Elevation:
58.58 meters

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

Height Above Average Terrain:
42 meters, based on 8 radials.
(rounded from 41.66 m)

HAAT Along Each Radial:

Azimuth HAAT
037.78
4546.66
9049
13550
18047.98
22541.77
27033.86
31526.25