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: 41.418111
Longitude: -81.900694

Site Elevation:
229.67 meters

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

Height Above Average Terrain:
73 meters, based on 8 radials.
(rounded from 72.62 m)

HAAT Along Each Radial:

Azimuth HAAT
0108.24
4593.8
9056.79
13536.84
18051.31
22556.03
27079.46
31598.5