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: 44.000944
Longitude: -123.113694

Site Elevation:
396.69 meters

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

Height Above Average Terrain:
367 meters, based on 8 radials.
(rounded from 367.24 m)

HAAT Along Each Radial:

Azimuth HAAT
0441.98
45386.03
90353.13
135358.82
180244.16
225324.59
270403.38
315425.8