Judul: Effectiveness of Payang Fisheries at Larangan Coastal Fishing Port, Tegal.
Abstrak: Alat tangkap payang merupakan salah satu alat tangkap yang digunakan di PPP Larangan. Payang tergolong kedalam pukat kantong lingkar (seine net) dengan hasil tangkapan utama ikan teri (Stolephorus sp). Penangkapan payang di PPP Larangan dilakukan pada pagi dan malam, hal tersebut belum diketahuinya waktu yang efektif dalam operasi penangkapan. Tujuan penelitian ini adalah mendeskripsikan perikanan payang, mengetahui komposisi hasil tangkapan payang, menghitung nilai produktivitas payang pada penangkapan siang dan malam hari dan membandingkan tingkat efektivitas payang. Metode yang digunakan dalam penelitian ini adalah metode observasi dan survei dengan analisis deskriptif, analisis produktivitas menurut Kepmen KP No.61 tahun 2014 dan analisis dekriptif efektivitas. Hasil penelitian menunjukan bahwa, metode pengoperasian payang di PPP Larangan menggunakan sistem one day fishing. Hasil tangkapan utama yaitu ikan teri nasi, ikan teri, ikan golok-golok, cumi-cumi, ikan peperek dan ikan layur. Nilai produktivitas penangkapan pagi lebih tinggi dibandingkan dengan penangkapan malam. Penangkapan pagi lebih efektif dibandingkan dengan penangkapan malam hari berdasarkan nilai produktivitas hasil tangkapan., Payang is one of the fishing gears used in PPP Larangan. Payang belongs to the seine set category with anchovy (Stolephorus sp) as the main catching results. The fish catching operations using payang in PPP Larangan are usually carried out in the morning and evening. However, the most effective time in the fish catching operation using payang is still unknown. The purpose of this study is to describe payang roles in fishery, identify the composition of the fishery catch using payang, calculate the value of payang productivity during the day and night, and compare payang’s effectiveness level. The methods used in this study are observation and survey with descriptive and productivity analysis according to Ministry of Marine Affairs and Fisheries Republic of Indonesia decree year 2014 number 61 and descriptive analysis of effectiveness. The results showed that the operation method using payang in PPP Larangan mainly uses a one-day fishing system with the main catches, anchovies, peperek, squid, Dorab Wolf‑Herring, and Largehead hairtail. The productivity value of morning operation is higher than the night counterpart based on the productivity value of catches.
Keyword: efektivitas, hasil tangkapan, payang, produktivitas

Judul: Effectiveness of Payang Fisheries at Larangan Coastal Fishing Port Tegal
Abstrak: Alat tangkap payang merupakan salah satu alat tangkap yang digunakan di PPP Larangan. Payang tergolong kedalam pukat kantong lingkar (seine net) dengan hasil tangkapan utama ikan teri (Stolephorus sp). Penangkapan payang di PPP Larangan dilakukan pada pagi dan malam, hal tersebut belum diketahuinya waktu yang efektif dalam operasi penangkapan. Tujuan penelitian ini adalah mendeskripsikan perikanan payang, mengetahui komposisi hasil tangkapan payang, menghitung nilai produktivitas payang pada penangkapan siang dan malam hari dan membandingkan tingkat efektivitas payang. Metode yang digunakan dalam penelitian ini adalah metode observasi dan survei dengan analisis deskriptif, analisis produktivitas menurut Kepmen KP No.61 tahun 2014 dan analisis dekriptif efektivitas. Hasil penelitian menunjukan bahwa, metode pengoperasian payang di PPP Larangan menggunakan sistem one day fishing. Hasil tangkapan utama yaitu ikan teri nasi, ikan teri, ikan golok-golok, cumi-cumi, ikan peperek dan ikan layur. Nilai produktivitas penangkapan pagi lebih tinggi dibandingkan dengan penangkapan malam. Penangkapan pagi lebih efektif dibandingkan dengan penangkapan malam hari berdasarkan nilai produktivitas hasil tangkapan., Payang is one of the fishing gears used in PPP Larangan. Payang belongs to the seine set category with anchovy (Stolephorus sp) as the main catching results. The fish catching operations using payang in PPP Larangan are usually carried out in the morning and evening. However, the most effective time in the fish catching operation using payang is still unknown. The purpose of this study is to describe payang roles in fishery, identify the composition of the fishery catch using payang, calculate the value of payang productivity during the day and night, and compare payang’s effectiveness level. The methods used in this study are observation and survey with descriptive and productivity analysis according to Ministry of Marine Affairs and Fisheries Republic of Indonesia decree year 2014 number 61 and descriptive analysis of effectiveness. The results showed that the operation method using payang in PPP Larangan mainly uses a one-day fishing system with the main catches, anchovies, peperek, squid, Dorab Wolf‑Herring, and Largehead hairtail. The productivity value of morning operation is higher than the night counterpart based on the productivity value of catches.
Keyword: catch, effectiveness, payang, productivity

Judul: Construction of Strongly Optimal Binary Linear Code with Minimum Distance 9 and 11
Abstrak: A binary linear code of length n over q F is a subspace of n q F . A code has three parameters that attached to it, namely length, dimension, and minimum distance. A code with length n, dimension k and minimum distance d is often called [n, k, d ]-code. Usually, when two parameters are given, then we want to find a code that has the best value for the last parameter. Based on Gilbert- Varshamov bound, if a [n, k, d ]-code exists and can not be expanded, we call it a strongly optimal code. In this paper, we construct strongly optimal code with minimum distance 9 and 11. In constructing the code, we created a theorem and algorithm based on Gilbert-Varshamov bound before we implement the algorithm to MAPLE programming language. Because of computational limitations, the program can only construct up to k = 10 for d = 9 and k = 12 for d = 11.
Keyword: