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: 39.122000
Longitude: -84.547722

Site Elevation:
218.77 meters

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

Height Above Average Terrain:
244.56 meters, based on 8 radials.

HAAT Along Each Radial:

Azimuth HAAT
0234.31
45270.02
90281.43
135256.12
180235.36
225223.28
270235.95
315220.01