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: 44.932139
Longitude: -110.706306

Site Elevation:
2603.56 meters

Radiation Center Above Mean Sea Level (RCAMSL):
2610 meters

Height Above Average Terrain:
287 meters, based on 8 radials.
(rounded from 286.78 m)

HAAT Along Each Radial:

Azimuth HAAT
0668.36
45492.45
90414.03
135131.16
180234.43
225199.85
27053.05
315100.93