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: 44.351778
Longitude: -121.691139

Site Elevation:
1232.37 meters

Radiation Center Above Mean Sea Level (RCAMSL):
1240 meters

Height Above Average Terrain:
18 meters, based on 8 radials.
(rounded from 18.38 m)

HAAT Along Each Radial:

Azimuth HAAT
0270.54
45-13.71
90249.51
135209.55
180-65.12
225-244.45
270-217.95
315-41.31