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: 41.305639
Longitude: -75.760194

Site Elevation:
286.35 meters

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

Height Above Average Terrain:
22 meters, based on 8 radials.
(rounded from 21.84 m)

HAAT Along Each Radial:

Azimuth HAAT
045.35
45105.89
90-64.15
135-174.45
180-99.67
225150.75
270126.33
31584.63