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: 37.482472
Longitude: -108.510083

Site Elevation:
2242.68 meters

Radiation Center Above Mean Sea Level (RCAMSL):
2272 meters

Height Above Average Terrain:
87 meters, based on 8 radials.
(rounded from 86.51 m)

HAAT Along Each Radial:

Azimuth HAAT
0-34.11
45-121.73
90-79.9
13573.33
180282.8
225302.06
270207.63
31561.96