Pleiades Neo Satellite is a future optical remote sensing satellite designed for launch in 2020 with a very high spatial resolution of up to 30 cm and consists of 4 constellation satellites to continuing Pleiades-1A/1B constellation. Pleiades Neo capable of producing high temporal resolution (revisit time) in one day to collecting imagery at the same location and its performance claimed will increase up to three times when compared to the Pleiades-1A/1B constellation. LAPAN, as the main official provider in high-resolution optical satellite data in Indonesia, has planned to receive the Pleiades Neo data. This paper discusses the antenna system for receiving Pleiades Neo data by LAPAN’s remote sensing ground station with analyzing the main antenna parameter requirements if Pleiades Neo will be received on Zodiac or Viasat antenna. By calculating the Carrier to Noise Ratio (C/N) value both of antenna system and compared with Airbus Defense and Space minimum C/N requirement about 13.8 dB at 5-degree elevation. The simulation result is obtained C/N value 14 dB and 6.5 dB on Zodiac and Viasat antenna, respectively. Based on the result analysis, it is found that the Zodiac antenna system is recommended for the Pleiades Neo data reception system.
Very High Resolution Satellite Image (VHRSI) data for Indonesian Government license is required by ministries/agencies, TNI, police, and local government to support national programs. But Indonesia did not have a VHRSI data recipient facility to directly acquire this data. In accordance with Law 21/2013 on Space, LAPAN is mandate to provide high resolution satellite data, and based on a roadmap for provision of satellite data in 2017, LAPAN will provide a VHRSI data reception facility through direct receiving system (DRS). This will be more efficient than other methods in providing the data. Priority provision of satellite data is for acquiring Pleiades and TerraSAR-X operating in the frequency range 8 GHz (X-Band). Therefore, to receive both data, it requires antenna subsystem with optimum coverage throughout Indonesia. Parameters to obtain the minimum antenna specifications include Free Space Loss (FSL), Carrier to Noise Ratio (C/No) and Antenna Gain to Noise Temperature (G/T). The calculation of G/T antenna is done for both satellites based on satellite parameters and analysis of antenna product availability in the market. Based on the calculation of satellite parameters shows that the minimum G/T value with the elevation of 5 degrees is 27.71 dB/K for Pleiades data reception and the minimum G/T value of 26.10 dB/K for the TerraSAR-X data reception. In general, the minimum G/T value for receiving the Pleiades and TerraSAR-X data is at 28 dB/K. While based on the calculation of antenna products availability in the market is require G/T value of 33.45 dB /K for the elevation of 5 degrees with a diameter of 7.5 mm antenna. This can be conclude that the antenna products meets the minimum requirements specification and to receive both satellite data. However, both calculation for the antenna subsystem still will be evaluated further in order to be directly installed at Parepare Remote Earth Station (SPBJ), South Sulawesi.
Permasalahan yang ditemui selama melakukan penelitian, yaitu belum terkomputerisasinya sistem pelayanan perpustakaan seperti peminjaman buku, dan pengembalian buku, masih di catat dalam bentuk pembukuan sedangkan pecarian data buku juga masih manual yang memakan waktu lama. Pelayanan yang masih menggunakan proses manual maka akan menimbulkan lambatnya kerja perpustakaan yang mengakibatkan tidak kepuasan bagi siswa siswi terhadap pelayanan perpustakaan. Tujuan dari penelitian yang dilakukan pada SMK Kartikatama 1 Metro adalah untuk membuat aplikasi perpustakaan berbasis desktop di SMK Kartikatama 1 Metro sehingga dapat memudahkan petugas perpustakaan. Metode penelitian yang digunakan oleh peneliti terdiri dari dua bagian, yaitu metode berdasarkan jenis penelitian (Applied Research) dan teknik pengumpulan data pengamatan (observasi), wawancara (interview), dokumentasi (documentation) dan studi kepustakaan (library research). Aplikasi dirancang menggunakan pendekatan pemrograman terstruktur yang berbasis desktop. Metode pengembangan aplikasi menggunakan SDLC (System Development Life Cycle) dengan teknik pengujian aplikasi menggunakan teknik Black Box Testing. Bahasa pemrograman yang digunakan adalah Java Netbeans, dengan database MySQL dan report menggunakan Quickreport. Alat pengembangan sistem yang digunakan antara lain flowchart, diagram konteks, dfd, erd, dan flowchart. Hasil dari penelitian adalah sebuah Aplikasi Perpustakaan Berbasis Desktop pada SMK Kartikatama 1 Metro
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