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: 38.896389
Longitude: -104.798306

Site Elevation:
2039.87 meters

Radiation Center Above Mean Sea Level (RCAMSL):
2074 meters

Height Above Average Terrain:
21 meters, based on 8 radials.
(rounded from 20.99 m)

HAAT Along Each Radial:

Azimuth HAAT
039.33
45-48.49
9055.24
135173.91
180247.24
225-20.94
270-136.45
315-141.93