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: 40.916361
Longitude: -73.124056

Site Elevation:
42.75 meters

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

Height Above Average Terrain:
69.19 meters, based on 8 radials.

HAAT Along Each Radial:

Azimuth HAAT
088.51
4580.05
9047.18
13548.96
18060.76
22556.82
27081.28
31590