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: 40.534222
Longitude: -82.701833

Site Elevation:
404.37 meters

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

Height Above Average Terrain:
84 meters, based on 8 radials.
(rounded from 83.68 m)

HAAT Along Each Radial:

Azimuth HAAT
041.47
4563.44
9086.34
13595.72
18084.2
225105.04
270111.38
31581.82