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: 37.798500
Longitude: -80.515417

Site Elevation:
882.07 meters

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

Height Above Average Terrain:
245 meters, based on 8 radials.
(rounded from 244.93 m)

HAAT Along Each Radial:

Azimuth HAAT
0205.09
45218.95
90219.27
135208.28
180283.45
225296.82
270288.25
315239.3