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: 40.571694
Longitude: -75.429750

Site Elevation:
289.43 meters

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

Height Above Average Terrain:
231 meters, based on 8 radials.
(rounded from 230.89 m)

HAAT Along Each Radial:

Azimuth HAAT
0258.7
45270.96
90229.32
135211.25
180183.97
225160.51
270260.56
315271.85