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: 34.329722
Longitude: -118.600083

Site Elevation:
1121.58 meters

Radiation Center Above Mean Sea Level (RCAMSL):
1140 meters

Height Above Average Terrain:
683 meters, based on 8 radials.
(rounded from 682.66 m)

HAAT Along Each Radial:

Azimuth HAAT
0699.76
45708.17
90573.06
135760.86
180825.98
225675.89
270575.69
315641.85