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: 40.840833
Longitude: -97.599778

Site Elevation:
501.36 meters

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

Height Above Average Terrain:
89 meters, based on 8 radials.
(rounded from 89.23 m)

HAAT Along Each Radial:

Azimuth HAAT
085.07
4589.72
90106.19
135100.38
18099.69
22580.29
27074.71
31577.75