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: 39.669500
Longitude: -80.881750

Site Elevation:
358.93 meters

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

Height Above Average Terrain:
-306 meters, based on 8 radials.
(rounded from -305.54 m)

HAAT Along Each Radial:

Azimuth HAAT
0-310.66
45-296.16
90-359.04
135-273.62
180-266.58
225-279.34
270-324.32
315-334.62