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: 34.054722
Longitude: -118.259528

Site Elevation:
114.37 meters

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

Height Above Average Terrain:
58 meters, based on 8 radials.
(rounded from 57.98 m)

HAAT Along Each Radial:

Azimuth HAAT
0-67.53
45-19.23
9046.76
135121.25
180127.08
225125.86
270113.96
31515.71