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: 38.713028
Longitude: -106.810583

Site Elevation:
2870 meters

Radiation Center Above Mean Sea Level (RCAMSL):
2879 meters

Height Above Average Terrain:
-25 meters, based on 8 radials.
(rounded from -25.33 m)

HAAT Along Each Radial:

Azimuth HAAT
0-329.52
45-223.21
90-192.31
135-79.28
180126.51
225302.96
27091.39
315100.78