ABSTRACT

As a develop archipelago country, one of the prime focus sector that needs to developed and improved in Indonesia are fishermen. Navigation systems are very important tools for the activities of a fishermen. From small boat to the large vessel, navigation systems are needed for fishing and surveillance activities over the sea. Almost all fishermen have their own GPS receiver to be use as a prime navigation tools and this condition have a positive trends. Unfortunately, by the limitation of the fund of the fisherman, which impact to the GPS receiver instrument that can be bought by the fishermen, and also by the limitation of knowledge to know and use the function of GPS receiver, the effect of space weather conditions could lead some misunderstanding in some situations. Fishermen could not understand an error that could appear in their GPS/GNSS receivers when there was a space weather disturbance conditions. Meanwhile, the fishermen in Indonesia could not have any integrity information services of GPS/GNSS, since the augmentation system have not been developed yet. This situation leads LAPAN to support the use of GPS/GNSS receiver by introduce other alternative integrity information format for navigation system due to the space weather effects. The information are globally provide in the Indonesia Space Weather Information and Forecast Services (SWIFtS) with website address www.swifts.sains.lapan.go.id and forwarded to the fishermen using the Single Side Band (SSB) Radio services systems. The improvement of the SWIFtS services and also the capability of the researcher to be a bridge information are the homework for LAPAN to provided the use full and right information that related to the user needs.

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