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: 34.038056
Longitude: -116.814472

Site Elevation:
2415.05 meters

Radiation Center Above Mean Sea Level (RCAMSL):
2432 meters

Height Above Average Terrain:
755 meters, based on 8 radials.
(rounded from 755.45 m)

HAAT Along Each Radial:

Azimuth HAAT
0-195.47
45281.27
901085.91
1351306.46
1801519.15
2251336.12
270830.35
315-120.21