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: 39.905111
Longitude: -75.354056

Site Elevation:
61.04 meters

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

Height Above Average Terrain:
43 meters, based on 8 radials.
(rounded from 43.02 m)

HAAT Along Each Radial:

Azimuth HAAT
0-1.34
4527.74
9084.25
13589.43
18090.1
22557.79
2707.31
315-11.11