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: 40.271472
Longitude: -74.781528

Site Elevation:
36.14 meters

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

Height Above Average Terrain:
11 meters, based on 8 radials.
(rounded from 10.9 m)

HAAT Along Each Radial:

Azimuth HAAT
0-17.08
458.37
9032.64
13535.9
18045.74
22516.08
270-10.7
315-23.74