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: 48.591583
Longitude: -93.405417

Site Elevation:
343.85 meters

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

Height Above Average Terrain:
54 meters, based on 8 radials.
(rounded from 54.43 m)

HAAT Along Each Radial:

Azimuth HAAT
057.29
4560.38
9053.74
13555.19
18051.19
22555.42
27051.92
31550.28