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: 33.587806
Longitude: -111.761250

Site Elevation:
652.32 meters

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

Height Above Average Terrain:
157 meters, based on 8 radials.
(rounded from 157.14 m)

HAAT Along Each Radial:

Azimuth HAAT
04.51
45188.69
90200.43
135150.16
180243.43
225254.44
270224.52
315-9.1