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: 33.290000
Longitude: -97.136389

Site Elevation:
189.6 meters

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

Height Above Average Terrain:
132 meters, based on 8 radials.
(rounded from 131.99 m)

HAAT Along Each Radial:

Azimuth HAAT
0134.95
45141.01
90146.2
135153.16
180132.67
225123.69
270105.24
315119.04