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: 37.792417
Longitude: -122.415500

Site Elevation:
95.5 meters

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

Height Above Average Terrain:
163 meters, based on 8 radials.
(rounded from 162.62 m)

HAAT Along Each Radial:

Azimuth HAAT
0188.02
45184.01
90184.32
135187.74
180127.11
225127.62
270171.79
315130.36