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: 43.205944
Longitude: -123.365083

Site Elevation:
351.83 meters

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

Height Above Average Terrain:
111 meters, based on 8 radials.
(rounded from 110.64 m)

HAAT Along Each Radial:

Azimuth HAAT
0151.08
4542.83
90155.9
135-60.93
180174.59
225124.7
27087.55
315209.4