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: 39.729444
Longitude: -105.236111

Site Elevation:
2234.24 meters

Radiation Center Above Mean Sea Level (RCAMSL):
2256 meters

Height Above Average Terrain:
229.03 meters, based on 8 radials.

HAAT Along Each Radial:

Azimuth HAAT
0416.64
45538.09
90542.22
135462.25
18080.59
225-12.49
270-19.16
315-175.91