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: 33.288944
Longitude: -110.829806

Site Elevation:
2304.78 meters

Radiation Center Above Mean Sea Level (RCAMSL):
2326 meters

Height Above Average Terrain:
986 meters, based on 8 radials.
(rounded from 985.78 m)

HAAT Along Each Radial:

Azimuth HAAT
01099.59
451094.94
90968.94
135809.05
1801088.96
2251012.6
2701020.57
315791.62