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: 40.683000
Longitude: -111.522972

Site Elevation:
2258.38 meters

Radiation Center Above Mean Sea Level (RCAMSL):
2278 meters

Height Above Average Terrain:
0 meters, based on 8 radials.
(rounded from 0.38 m)

HAAT Along Each Radial:

Azimuth HAAT
0101.22
45266.2
90144.75
135212.03
180-190.64
225-422.13
270-232.12
315123.72