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: 44.434528
Longitude: -68.589750

Site Elevation:
275.03 meters

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

Height Above Average Terrain:
258 meters, based on 8 radials.
(rounded from 258.4 m)

HAAT Along Each Radial:

Azimuth HAAT
0227.59
45252.17
90278.43
135289.09
180258.87
225263.55
270265.6
315231.87