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: 39.721167
Longitude: -84.249944

Site Elevation:
267.62 meters

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

Height Above Average Terrain:
242 meters, based on 8 radials.
(rounded from 241.74 m)

HAAT Along Each Radial:

Azimuth HAAT
0241.62
45268
90231.88
135232.65
180242.26
225267.93
270235.49
315214.1