  Federal Aviation Administration (FAA) of the United States is considering
Remote ID systems for unmanned aerial vehicles (UAVs). These systems act as
license plates used on automobiles, but they transmit information using radio
waves. To be useful, the transmissions in such systems need to reach long
distances to minimize the number of ground stations to capture these
transmissions. LoRaWAN is designed as a cheap long-range technology to be used
for long-range communication for the Internet of Things. Several manufacturers
make LoRaWAN modules, which are readily available on the market and are,
therefore, ideal for the UAVs Remote IDs at a low cost. In this paper, we
present our experiences in using LoRaWAN technology as a communication
technology. Our experiments to identify and locate the UAV systems uncovered
several issues of using LoRaWAN in such systems that are documented in this
paper. Using several ground stations, we can determine the location of a UAV
equipped with a LoRaWAN module that transmits the UAV Remote ID. Hence, it can
help identify UAVs that unintentionally, or intentionally, fly into restricted
zones.
