Automatic dependent surveillance-broadcast (ADS-B) is an advanced technology for air traffic monitoring. Using frequency of 1090 MHz, ADS-B transponder transmit aircraft identity, altitude, speed, position, and other information periodically to ground station. Nanosatellite Laboratory of Telkom University develops Tel-USat 2, a CubeSat with ADS-B signal receiver as the mission in purpose to expand the scope of its signal reception. This paper presents a rectangular truncated corner microstrip antenna for ADS-B receiver on a nanosatellite with center frequency of 1.090 MHz, Voltage Standing Wave Ratio (VSWR) = 1,15 with bandwidth of 11,5 MHz in the frequency range of 1.086 -1.097,5 MHz, unidirectional radiation pattern, circular polarization with axial ratio = 2,89 dB, antenna gain = 4,22 dBi and able to receive ADS-B signals from aircraft with furthest detected distances of 320,17 Km.