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: 39.190000
Longitude: -94.680528

Site Elevation:
255.19 meters

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

Height Above Average Terrain:
15 meters, based on 8 radials.
(rounded from 15.33 m)

HAAT Along Each Radial:

Azimuth HAAT
0-12.67
45-13.95
9015.75
13549.77
18023.04
2251.83
27042.68
31516.21