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: 29.758611
Longitude: -95.367778

Site Elevation:
14.15 meters

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

Height Above Average Terrain:
302 meters, based on 8 radials.
(rounded from 302.23 m)

HAAT Along Each Radial:

Azimuth HAAT
0297.32
45303.43
90307.16
135306.51
180303.78
225301.74
270301.07
315296.79