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: 39.294722
Longitude: -102.260750

Site Elevation:
1260.24 meters

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

Height Above Average Terrain:
-1257 meters, based on 8 radials.
(rounded from -1257.36 m)

HAAT Along Each Radial:

Azimuth HAAT
0-1239.82
45-1233.23
90-1223.2
135-1250.27
180-1273.92
225-1280.95
270-1290.48
315-1267.01