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: 44.347194
Longitude: -106.724222

Site Elevation:
1489.71 meters

Radiation Center Above Mean Sea Level (RCAMSL):
1528 meters

Height Above Average Terrain:
-62 meters, based on 8 radials.
(rounded from -61.8 m)

HAAT Along Each Radial:

Azimuth HAAT
080.91
45133.04
90111.21
13551.76
180-60.27
225-412.04
270-369.32
315-29.72