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: 40.912333
Longitude: -73.781528

Site Elevation:
26.98 meters

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

Height Above Average Terrain:
134 meters, based on 8 radials.
(rounded from 134.26 m)

HAAT Along Each Radial:

Azimuth HAAT
085.36
45147.38
90162
135146.97
180158.38
225146.59
270114.59
315112.79