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: 45.157611
Longitude: -123.290639

Site Elevation:
207.23 meters

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

Height Above Average Terrain:
105 meters, based on 8 radials.
(rounded from 105.12 m)

HAAT Along Each Radial:

Azimuth HAAT
050.07
45188.76
90186.32
135150.36
180174.74
225146.31
27022.54
315-78.12