|
| AUTOMATIC DIRECTION FINDER |
| |
ADF
(Automatic Direction Finder) is the radio signals in the low to medium
frequency band of 190 Khz. to 1750 Khz.
It was widely used today.
It has the major advantage over VOR navigation in the reception is not
limited to line of sight distance. The ADF signals follow
the curvature of the
earth. The maximum of distance is depend on the power of the beacon. The
ADF can receives on both AM radio station and NDB (Non-Directional
Beacon).
Commercial AM radio
stations broadcast on 540 to 1620 Khz. Non-Directional Beacon operate in
the frequency band of 190 to 535 Khz.
|
| |
ADF COMPONENTS
ADF Receiver : pilot
can tune the station desired and to select the mode of operation. The
signal is received, amplified, and converted to audible
voice
|
No comments:
Post a Comment