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: 37.812194
Longitude: -107.664500

Site Elevation:
2836.75 meters

Radiation Center Above Mean Sea Level (RCAMSL):
2861 meters

Height Above Average Terrain:
-605 meters, based on 8 radials.
(rounded from -604.72 m)

HAAT Along Each Radial:

Azimuth HAAT
0-483.89
45-725.33
90-757.72
135-929.28
180-99.47
225-624.02
270-522.71
315-695.37