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: 41.659722
Longitude: -78.811389

Site Elevation:
617.88 meters

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

Height Above Average Terrain:
89 meters, based on 8 radials.
(rounded from 88.76 m)

HAAT Along Each Radial:

Azimuth HAAT
087.5
4558.26
9044.35
135117.31
18078.91
225122.61
270116.43
31584.71