Nuand BladeRF Xa-4 Software Defined Radio (SDR) Implementation for Data Processing and Reception of AQUA Satellite Signals

Satellite data reception and processing systems require a large number of devices, large in size, complex and static. This research aims to implement SDR technology to replace the function of previous conventional devices in receiving and processing satellite data, especially AQUA satellite data. The SDR used is the Nuand BladeRF Xa-4 type with frequencies ranging from 47 MHz to 6 GHz and sample rate with 6.44 MHz. Whereas the antenna used to receive the signal emitted by AQUA's satellites uses a parabolic antenna with a diameter of 3 m. Digital Signal Processing (DSP) for recording and decoding data using GNU Radio Companion (GRC) SDR software and open source software. Data received through an antenna is converted down to the IF 720 MHz frequency and then demodulated and generates data in a signed 16-bit format (.s16) with a 10 Msps sampling rate. Using open-source software, data resulting from demodulation is then decoded. The test results showed that SDR is able to receive and process AQUA satellite data with level 0 image data output. The data obtained using the existing system with the built system has been compared. The advantages and disadvantages of the system have also been discussed. Further development requires more in-depth research related to the use of SDR technology for various needs in the field of satellite technology.