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: 40.258444
Longitude: -74.649333

Site Elevation:
28.2 meters

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

Height Above Average Terrain:
89 meters, based on 8 radials.
(rounded from 88.54 m)

HAAT Along Each Radial:

Azimuth HAAT
079.73
4589.32
9086.4
13584.16
18096.22
225105.54
27090.01
31576.91