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: 42.582000
Longitude: -76.555750

Site Elevation:
323.24 meters

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

Height Above Average Terrain:
85 meters, based on 8 radials.
(rounded from 85.13 m)

HAAT Along Each Radial:

Azimuth HAAT
049.65
4552.64
90-2.07
13566.57
180121.7
225111.83
270128.47
315152.23