VOR receivers.
![](https://ieee-dataport.org/sites/default/files/styles/3x2/public/tags/images/light-567757_1920.jpg?itok=wSTRk8KZ)
A VOR receiver based on Software-Defined Radio is presented. Experiments showed that the system indicated the radials of the VOR station of São José dos Campos with an average error rate of less than 1% and a standard deviation of less than 2.14% in relation to those calculated cartographically. The results suggest that low volume and weight SDR-based VOR receivers can be developed with processing on microcontrollers or FPGAs to equip drones that need to operate in aerodrome environments.
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