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: 38.365333
Longitude: -85.839972

Site Elevation:
292.82 meters

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

Height Above Average Terrain:
233 meters, based on 8 radials.
(rounded from 232.8 m)

HAAT Along Each Radial:

Azimuth HAAT
0215.7
45271.67
90273.52
135287.05
180281.32
225172.8
270187.95
315172.39