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: 42.418667
Longitude: -76.493806

Site Elevation:
345.06 meters

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

Height Above Average Terrain:
39 meters, based on 8 radials.
(rounded from 39.25 m)

HAAT Along Each Radial:

Azimuth HAAT
0139.94
4586.11
90-31.48
135-0.02
180-12.22
22531.29
27021.95
31578.41