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: 39.950056
Longitude: -80.770917

Site Elevation:
308.78 meters

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

Height Above Average Terrain:
-1 meters, based on 8 radials.
(rounded from -1.28 m)

HAAT Along Each Radial:

Azimuth HAAT
012.56
4528.12
90-28.84
13517.52
1802.19
22511.88
270-35.29
315-18.38