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: 48.548611
Longitude: -109.703528

Site Elevation:
818.76 meters

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

Height Above Average Terrain:
1 meters, based on 8 radials.
(rounded from 0.67 m)

HAAT Along Each Radial:

Azimuth HAAT
0-11.56
4525.63
9043.3
135-56.08
180-72.33
22522.96
27044.65
3158.77