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: 43.090556
Longitude: -87.897306

Site Elevation:
195.31 meters

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

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

HAAT Along Each Radial:

Azimuth HAAT
0289.49
45307.1
90307.24
135306.17
180290.65
225269.23
270264.85
315269.38