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: 38.744417
Longitude: -104.861917

Site Elevation:
2873.71 meters

Radiation Center Above Mean Sea Level (RCAMSL):
2918 meters

Height Above Average Terrain:
664 meters, based on 8 radials.
(rounded from 663.55 m)

HAAT Along Each Radial:

Azimuth HAAT
0972.86
451075.69
901133.27
1351120.35
180875.7
22590.62
270-120.5
315160.4