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: 38.422222
Longitude: -105.151944

Site Elevation:
1662.57 meters

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

Height Above Average Terrain:
-1785 meters, based on 8 radials.
(rounded from -1785.04 m)

HAAT Along Each Radial:

Azimuth HAAT
0-2031.24
45-1756.04
90-1617.63
135-1613.51
180-1740.43
225-2022.11
270-1771.01
315-1728.37