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: 13.488056
Longitude: 144.831389

Site Elevation:
187.28 meters

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

Height Above Average Terrain:
6078 meters, based on 8 radials.
(rounded from 6078.42 m)

HAAT Along Each Radial:

Azimuth HAAT
04297.23
4585.59
908656.32
1359639.25
1808852.73
225176.42
2707671.85
3159247.95