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: 36.721806
Longitude: -76.300472

Site Elevation:
2.5 meters

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

Height Above Average Terrain:
47 meters, based on 8 radials.
(rounded from 47.26 m)

HAAT Along Each Radial:

Azimuth HAAT
049.3
4545.61
9050.27
13545.97
18047.14
22546.46
27046.1
31547.23