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"Sistem indikator tsunami merupakan sistem yang dirancang berdasarkan konsep Early Warning System (EWS) atau sistem peringatan dini. Sistem ini digunakan untuk mendeteksi letak koordinat titik episentrum tsunami serta memberikan informasi data akan adanya bahaya tsunami lebih cepat, ke penduduk ataupun pemerintah, agar wilayah yang diancam bahaya lebih waspada serta segera melakukan evakuasi secepat mungkin untuk mencegah jatuhnya korban, sebelum terjadinya bencana tsunami. Sistem EWS ini terdiri dari pendeteksi tsunami, sistem komunikasi, dan system informasi tsunami. Pendeteksi tsunami terdiri dari sub sistem sensor sonic yang berada jauh dari sumber tsunami, dan sub sistem stasiun repeater pelampung (buoy) yang berada +/- 10 ? 20 Km dari pantai. Pada tugas akhir ini, hanya terdiri dari bagian subsistem pelampung (buoy). Sistem tersebut terdiri dari sinyal yang diterima dari sensor yang akan disimulasikan oleh keypad dan rangkaian analog digital converter (ADC), dan sinyal yang diterima dari Global Positioning System (GPS) Receiver. Kedua sinyal yang diterima tersebut akan di gabungkan di dalam mikrokontroler hingga output dari mikrokontroler siap untuk dikirimkan ke perangkat komunikasi. Hasil output dari mikrokontroler berupa informasi data untuk magnitude tsunami dan alamat sensor yang berasal dari perangkat sensor getaran (berupa simulasi), sinyal yang diterima lainnya berupa data koordinat dari GPS dengan berdasarkan pada standard National Marine Electronics Association (NMEA) 0183 Message.

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Tsunami's detector system is a system that have the same concepts design like Early Warning System (EWS). This system would be used to detect longitude and latitude coordinate position and predict tsunami?s attack (skala richter), then can give more fast information about the tsunami?s dangerous to the civilians and the government. So they can to evacuate the civilians as soon as possible before the tsunami comes.

This EWS system, that was constructed consist of tsunami detector, communication system, and tsunami information system. The Tsunami detector was consist of sonic sensor subsystem that located far from the tsunami?s resources, and the repeater station buoy subsystem that located about 10?20 Km from the beach.

This final project was constructed only a part of buoy subsystem. Those system was consist of received signal from the sensor, that was simulated by keypad and analog digital converter (ADC) circuits, and received signal from the Global Positioning System (GPS). Both of received signal would be combined in microcontroller and until the output from microcontroller would be ready send to communication device.

The result from microcontroller was the information data for tsunami magnitude and sensor address referenced from the accoustic sensor device (by simulation), else received signal was coordinate data from GPS that had National Marine Electronics Association (NMEA) 0183 Message Standards."

"Tugas akhir ini merancang sistem pengambilan dan pengiriman data GPS dengan menggunakan mikrokontroler sebagai pengolah data GPS melalui komunikasi satelit mobile Garuda. Data yang diperoleh dari GPS berupa format NMEA 0183. Data tersebut disimpan di dalam memori mikrokontroler. Mikrokontroler akan memproses data menjadi data posisi. Informasi ini dikirimkan melalui perangkat PASTI/Byru Marine ke satelit ACeS Garuda 1. Proses ini berlangsung terus-menerus, sehingga informasi posisi bersifat real time. Dari satelit ACeS Garuda 1, informasi tersebut ditransmisikan dan diterima oleh stasiun Bumi kemudian dikirim lagi ke perangkat PASTI/byru marine yang lain melalui satelit ACeS Garuda 1 dengan menggunakan penomoran khusus data tanpa bayar. Informasi yang terdiri dari data posisi yang terdapat pada server stasiun Bumi, dapat diakses oleh perangkat PASTI/byru marine. Dari hasil uji coba diperoleh data GPS berhasil dilakukan dengan kecepataan 2400 bps.

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This final project designs and builds the system for retrieving and transmitting the GPS data using microcontroller. The data is retreived from GPS in NMEA 0183 format. The data will be saved in the microcontroller. The microcontroller will process the data to set the position information. This information then sent through PASTI/Byru Marine terminal to ACeS Garuda 1 satellite. This process will run continuously so the position will be real time. From ACeS Garuda 1 satellite, the information is transmitted and received by earth station and transmited again to another PASTI/ Byru Marine through ACeS Garuda 1 satellite use free payment number. The information consists position data at earth station server, can be access by PASTI/byru marine.From research,GPS data successfully with speed 2400 bps."

"Tugas akhir ini merancang sistem pengambilan dan pengiriman data GPS dengan menggunakan mikrokontroler sebagai pengolah data GPS. Data yang diperoleh dari GPS berupa format NMEA 0183. Data tersebut disimpan di dalam memori mikrokontroler. Mikrokontroler akan memproses data menjadi data posisi. Informasi ini dikirimkan melalui perangkat PASTI/Byru Marine ke satelit ACeS Garuda 1. Proses ini berlangsung terus-menerus, sehingga informasi posisi bersifat real time. Dari satelit ACeS Garuda 1, informasi tersebut ditransmisikan dan diterima oleh stasiun Bumi. Dalam tugas akhir ini kami menggunakan mikrokontroler untuk mengambil, menyimpan, memproses, dan mengirimkan data. Kami menggunakan bahasa pemrograman asembler yang sesuai dengan spesifikasi mikrokontroler. RS232 digunakan sebagai antarmuka antara GPS, mikrokontroler, dan perangkat PASTI/Byru Marine untuk mengambil dan mengirimkan data. Informasi yang terdiri dari data posisi yang terdapat pada server stasiun Bumi, dapat diakses menggunakan FTP client.

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This final project designs and builds the system for retrieving and transmitting the GPS data using microcontroller. The data is retreived from GPS in NMEA 0183 format. The data will be saved in the microcontroller. The microcontroller will process the data to set the position information. This information then sent through PASTI/Byru Marine terminal to ACeS Garuda 1 satellite. This process will run continuously so the position will be real time. From ACeS Garuda 1 satellite, the information is transmitted and received by earth station.

In this project we use the microcontroller for retrieving, saving, processing, and sending the data. We build this functionality using assembly programming language, which suitable with microcontroller specification. We use RS232 converter as interface between GPS, microcontroller, and PASTI/Byru Marine terminal to retrieving and sending the data. The information consists position data at earth station server, can be access using FTP client."

"ABSTRAKA specialized database and a software tool for graphical and numerical presentation of maritime measurement results has been designed and implemented as part of the research conducted under the netBaltic project Internet over the Baltic Sea the implementation of a multi system, self organizing broadband communications network over the sea for enhancing navigation safety through the development of enavigation services. The developed softwareallows tracing graphs of radio connections between shore stations and vessels offshore units, based on historical data including the traffic of ships and their specific parameters collected on the Baltic Sea during the last four years. It also enables preparation of data for network simulation experiments using AIS Automatic Identification of Ships and GPS Global Positioning System loggers installed on shore stations and vessels, taking into account a number of input parameters, such as: time range, coast station selection, ship flags based on MMSI numbers and types and ranges of possible communication technologies used WiFi, WiMax, Radwin, LTE, etc. The created tool has a multi layer architecture that utilizes the MariaDB SQL database, the Apache2 WEB server, and a number of PHP applications. The runtime environment has been built on Linux Debian version 8 and the HP C7000 cluster of the 16 CPU x86 64 architecture. The modularity of the application allows parallel processing and, therefore, optimization of the computing cluster. The database contains more than 70 million records which enables simulation of various topologies with multi hop transmissions and network operations depending on the transmission techniques being used. The database is fully scalable, and allows easy adding of further datacollected during subsequent measurement sessions. Additionally, the use of virtualization toolsfacilitates the future migration to more efficient processing environments, in case of a significantincrease in the volume of data. The data recorded in the database allows calculation of statistics for the surveyed networks, and determining the incidence of potential network nodes e.g. by flag complete with their available communication techniques information which is important in determining structures of possible multi hop networks and their performance. The software finds routes for datagrams according to accepted criteria and exports results to a network traffic simulator, and as such is an important part of the framework used for planning next measurement campaigns and determining which communications equipment would be more suitable for vessels."

"Skripsi ini merancang dan membangun sistem pengambilan dan pengiriman data GPS dengan menggunakan mikrokontroler sebagai pengolah data GPS. Data yang diperoleh dari GPS berupa format NMEA 0183. Data tersebut disimpan di dalam memori mikrokontroler. Mikrokontroler akan memproses data dengan keluaran berupa data waktu dan data posisi. Informasi ini dikirimkan melalui perangkat PASTI/Byru Marine ke satelit ACeS Garuda 1. Proses ini berlangsung terus-menerus, sehingga informasi posisi bersifat real time. Dari satelit AceS Garuda 1, informasi tersebut ditransmisikan dan diterima oleh perangkat PASTI/Byru Marine yang lain. Data yang telah sampai pada perangkat PASTI/Byru Marine pada sisi penerima tersebut, selanjutnya akan ditampilkan pada komputer. Dalam skripsi ini kami menggunakan mikrokontroler untuk mengambil, menyimpan, memproses, dan mengirimkan data. Kami menggunakan bahasa pemrograman asembler yang sesuai dengan spesifikasi mikrokontroler. RS232 digunakan sebagai antarmuka antara GPS, mikrokontroler, dan perangkat PASTI/Byru Marine untuk mengambil dan mengirimkan data.

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This thesis designs and builds the system for retrieving and sending the GPS data using microcontroller. The data which retrieved from GPS in NMEA 0183 format. The data will be saved in the microcontroller. The microcontroller will process the data to set the time and position information. This information then will be sent through PASTI/Byru Marine user terminal to ACeS Garuda 1 satellite. This process will run continuously so the position will be real time. From ACeS Garuda 1 satellite, the information is transmitted and received by other PASTI/Byru Marine user terminal. The information which arrive on PASTI/Byru Marine user terminal in the receiving position, then will be displayed on the computer.

In this thesis we use the microcontroller for retrieving, saving, processing, and sending the data. We build this functionality using assembly programming language, which suitable with microcontroller specification. We use RS232 converter as interface between GPS, microcontroller, and PASTI/Byru Marine terminal to retrieving and sending the data."