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: 40.032861
Longitude: -75.337111

Site Elevation:
130.2 meters

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

Height Above Average Terrain:
-78 meters, based on 8 radials.
(rounded from -77.8 m)

HAAT Along Each Radial:

Azimuth HAAT
0-59.26
45-66.75
90-70.29
135-56.5
180-66.45
225-103.91
270-135.75
315-63.47