raadiomärgid
Raadiomärgid, or radio beacons, are electronic navigational aids that transmit radio signals to assist aircraft and ships in determining their position. These signals are typically omnidirectional, meaning they are broadcast in all directions, allowing a receiver on the moving craft to pick them up from any bearing. By measuring the direction of the incoming signal from one or more beacons, a navigator can plot their position on a chart.
There are several types of radio beacons, including Non-Directional Beacons (NDBs) and Direction Finding (DF) stations.
Radio beacons played a crucial role in aviation and maritime navigation for many decades, especially before