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: 39.692778
Longitude: -75.759417

Site Elevation:
45.31 meters

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

Height Above Average Terrain:
45 meters, based on 8 radials.
(rounded from 45.09 m)

HAAT Along Each Radial:

Azimuth HAAT
011.59
4529.94
9091.43
13585.76
18073.46
22572.83
2707.16
315-11.47