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: 36.035694
Longitude: -79.079722

Site Elevation:
194.41 meters

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

Height Above Average Terrain:
86 meters, based on 8 radials.
(rounded from 85.93 m)

HAAT Along Each Radial:

Azimuth HAAT
070
4573.88
90114.81
135143.43
180104.06
22575.67
27044.72
31560.88