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: 29.667722
Longitude: -95.725500

Site Elevation:
29.14 meters

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

Height Above Average Terrain:
72 meters, based on 8 radials.
(rounded from 71.79 m)

HAAT Along Each Radial:

Azimuth HAAT
067.84
4573.15
9073.73
13577.06
18075.79
22572.58
27069.89
31564.24