The Organisasi Amatir Radio Indonesia (ORARI) (n English

English language

English is a West Germanic language that arose in the Anglo-Saxon kingdoms of England and spread into what was to become south-east Scotland under the influence of the Anglian medieval kingdom of Northumbria...

, Amateur Radio Organization of Indonesia) is a national non-profit organization

Non-profit organization

Nonprofit organization is neither a legal nor technical definition but generally refers to an organization that uses surplus revenues to achieve its goals, rather than distributing them as profit or dividends...

 for amateur radio

Amateur radio

Amateur radio is the use of designated radio frequency spectrum for purposes of private recreation, non-commercial exchange of messages, wireless experimentation, self-training, and emergency communication...

 enthusiasts in Indonesia

Indonesia

Indonesia , officially the Republic of Indonesia , is a country in Southeast Asia and Oceania. Indonesia is an archipelago comprising approximately 13,000 islands. It has 33 provinces with over 238 million people, and is the world's fourth most populous country. Indonesia is a republic, with an...

. According to a 2000 census compiled by the International Amateur Radio Union

International Amateur Radio Union

The International Amateur Radio Union is an international confederation of national amateur radio organisations that allows a forum for common matters of concern and collectively represents matters to the International Telecommunication Union...

, Indonesia has the thirteenth-largest population of amateur radio operators in the world. A key membership benefit of the ORARI is a QSL

QSL

QSL is one of the Q codes used in radiocommunication and radio broadcasting. A Q code message can stand for a statement or a question . In this case, QSL? means "do you confirm receipt of my transmission?" while QSL means "I confirm receipt of your transmission". Some also take it to mean "Query...

 bureau for those Indonesian amateur radio operator

Amateur radio operator

An amateur radio operator is an individual who typically uses equipment at an amateur radio station to engage in two-way personal communications with other similar individuals on radio frequencies assigned to the amateur radio service. Amateur radio operators have been granted an amateur radio...

s in regular communications with other amateur radio operators in foreign countries. The ORARI represents the interests of Indonesian amateur radio operators before Indonesian and international regulatory authorities. ORARI is the national member society representing Indonesia in the International Amateur Radio Union.

Call areas

ORARI divides amateur radio privilege into three classes. The starting level is Siaga (Alert) whose prefix is YD/YG. The intermediate level is Penggalang (Supporter) with the prefix of YC/YF. The highest level is Penegak (Enforcer) with the prefix of YB/YE. As a vast archipelago, Indonesia is divided into several call areas;

• Jakarta, call area 0,
• Java West / Banten, call area 1,
• Central Java - Jogjakarta, call area 2,
• East Java - Madura call area 3,
• South Sumatera - Lampung - Jambi - Bengkulu - Bangka Belitung, call area 4,
• Riau - Batam - West Sumatera, call area 5,
• North Sumatera - Aceh,, call area 6,
• Borneo call area 7, Sulawesi call area 8,
• Bali - Lombok - West Nusa Tenggara - Maluku - Ternate - Papua, call area 9.