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: 42.604528
Longitude: -82.911861

Site Elevation:
179.06 meters

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

Height Above Average Terrain:
52 meters, based on 8 radials.
(rounded from 51.67 m)

HAAT Along Each Radial:

Azimuth HAAT
048.59
4552.55
9059.82
13559.52
18052.54
22550.83
27045.46
31544.02