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: 40.609028
Longitude: -79.166667

Site Elevation:
382.64 meters

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

Height Above Average Terrain:
26 meters, based on 8 radials.
(rounded from 25.87 m)

HAAT Along Each Radial:

Azimuth HAAT
039.22
456.48
90-36.36
135-20.62
18081.38
22558.21
27029.4
31549.23