Design Of Multiband Microstrp Antenna On Cubesat For Ads-B Communication

Abstrak

Automatic Dependent Surveillance-Broadcast (ADS-B) is a new technology in aircraft observation that uses the global positioning system (GPS) to track the position, speed, wind direction and altitude of the aircraft. The research aims to compare the results of application simulations and the results of field measurements. ADSB simulation results return loss -21.13 dB, VSWR 1.2181, gain 0.5 dBi, and axial ratio 3.06. S-Band antenna simulation, return loss of -15.35 dB, VSWR of 3.89, gain of 3.88 dBi, and axial ratio of 9.7 dB. The measurement results obtained for the ADS-B antenna return loss -19.376 dB, VSWR 1.25, gain 2.67 dBi, and axial ratio 1.341 dB. Measurement of the S-Band antenna return loss is -15.36 dB, VSWR is 1.35, gain is 0.62 dBi and axial ratio is 1.33 dB. In the simulation and measurement of the ADS-B antenna, a close value is obtained. In the simulation and measurement of the S-Band antenna, there are differences in the measurement frequency from 300 MHz to 2700 MHz, while in the simulation it is 2400 MHz. The factor that affects the difference in results is the material used is not the same as the material used in the simulation.

Keywords: ADS-B, S-Band, Microstrip Antenna, CubeSat