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: 42.696778
Longitude: -123.228667

Site Elevation:
1558.03 meters

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

Height Above Average Terrain:
-834 meters, based on 8 radials.
(rounded from -834.21 m)

HAAT Along Each Radial:

Azimuth HAAT
0-759.29
45-1136.45
90-902.32
135-801.24
180-907.69
225-810.05
270-681.66
315-674.97