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: 40.239306
Longitude: -121.032722

Site Elevation:
2275.37 meters

Radiation Center Above Mean Sea Level (RCAMSL):
2282 meters

Height Above Average Terrain:
764 meters, based on 8 radials.
(rounded from 763.92 m)

HAAT Along Each Radial:

Azimuth HAAT
0684.52
45685.4
90601.54
135964.18
180748.02
225803.61
270895.98
315728.1