RANCANG BANGUN RECEIVER AUTOMATIC DEPENDENT SURVEILLANCE BROADCAST (ADS-B) MENGGUNAKAN RLT-SDR R820T2 FLIGHT AWARE

Wahyudin, Wahyudin (2023) RANCANG BANGUN RECEIVER AUTOMATIC DEPENDENT SURVEILLANCE BROADCAST (ADS-B) MENGGUNAKAN RLT-SDR R820T2 FLIGHT AWARE. Thesis thesis, Institut Teknologi Dirgantara Adisutjipto.

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Abstract

Radar technology is a technology used to detect aircraft, one of which is used in almost every airport. However, over time radar technology began to be replaced by the Automatic Dependent Surveillance Broadcast (ADS-B) system due to radar failure in detecting aircraft covered by thick clouds, to replace radar functions at some airports still use the Flightradar24 site as its source of information because to build an ADS- B station is costly. However, Flightradar24has some weaknesses, including the fact that users are required to pay or subscribe periodically if they want to display more detailed information, and delays due to data processing that requires access to an internet connection. The ADS-B receiver design works by waiting and receiving transmissions from aircraft containing aircraft position information on a periodic basis, whereas the R820T2 type of RTL-SDR receiver is only capable of receiving signals and target parameter data at a distance of 284 km on the adsb SCOPE software range, while the maximum range of the Ads-B reception is 200 NM. (370 km). Therefore, in this study, an ADS-B receiver was designed using a different type of RTL-SDR, which is RTL- SDR R820T2 Flight Aware with a gain value of 19dB, and the addition of the 1090 MHz ADS -B antenna. With increased value gain then will affect the extent of the coverage area that can be covered by the antenna. The study was conducted with two phases of testing, namely using the usual monopoly type of antenna and the ADS-B 1090 MHz antenna. Based on the design results and several stages of ADS-B receiver testing. The ADS-B receiver design using RTL-SDR R820T2 Flight Aware and the addition of the 1090 MHz ADS -B antenna is able to receive signals and target aircraft parameter data for a distance of 353 km on the adsb SCOPE software range and346.89 km calculated using the formula harvesine method.

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