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: 40.564556
Longitude: -75.439917

Site Elevation:
283.24 meters

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

Height Above Average Terrain:
-151 meters, based on 8 radials.
(rounded from -150.95 m)

HAAT Along Each Radial:

Azimuth HAAT
0-123.7
45-119.34
90-146.94
135-160.96
180-193.8
225-218.03
270-124.14
315-120.67