Inmarsat-C is a two-way, packet data service operated by the telecommunications company Inmarsat which operates between mobile earth stations (MES) and land earth stations (LES). It became fully operational after a period of pre-operational trials in January 1991. The advantages of Inmarsat-C compared to Inmarsat-A are low cost, smaller and uses a smaller omni-directional antenna. The disadvantage is that voice communication is not possible with Inmarsat-C. The service is approved for use under the Global Maritime Distress and Safety System (GMDSS), meets the requirements for Ship Security Alert Systems (SSAS) defined by the International Maritime Organization (IMO) and is the most widely used service in fishing Vessel Monitoring Systems (VMS).
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| - Inmarsat C (de)
- Inmarsat-C (en)
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| - Inmarsat C ist ein Zwei-Wege-Paketdatendienst, der durch das Telekommunikationsunternehmen Inmarsat betrieben wird. Der Dienst ist für den Einsatz unter dem Global Maritime Distress Safety System (GMDSS) zugelassen und erfüllt die Anforderungen der Internationalen Seeschifffahrts-Organisation (IMO) für das (SSAS). Inmarsat C funktioniert digital und bietet folgende Kommunikationsmöglichkeiten:
* Telex
* Fax
* Datenübertragung (z. B. Internet) Der Dienst steht für maritime, terrestrische und luftfahrttechnische Nutzung zur Verfügung. (de)
- Inmarsat-C is a two-way, packet data service operated by the telecommunications company Inmarsat which operates between mobile earth stations (MES) and land earth stations (LES). It became fully operational after a period of pre-operational trials in January 1991. The advantages of Inmarsat-C compared to Inmarsat-A are low cost, smaller and uses a smaller omni-directional antenna. The disadvantage is that voice communication is not possible with Inmarsat-C. The service is approved for use under the Global Maritime Distress and Safety System (GMDSS), meets the requirements for Ship Security Alert Systems (SSAS) defined by the International Maritime Organization (IMO) and is the most widely used service in fishing Vessel Monitoring Systems (VMS). (en)
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| - Inmarsat C ist ein Zwei-Wege-Paketdatendienst, der durch das Telekommunikationsunternehmen Inmarsat betrieben wird. Der Dienst ist für den Einsatz unter dem Global Maritime Distress Safety System (GMDSS) zugelassen und erfüllt die Anforderungen der Internationalen Seeschifffahrts-Organisation (IMO) für das (SSAS). Inmarsat C funktioniert digital und bietet folgende Kommunikationsmöglichkeiten:
* Telex
* Fax
* Datenübertragung (z. B. Internet) Durch die Datenübertragung ist auch das Senden und Empfangen von SMS und E-Mails möglich. Weiterhin bietet der Dienst Fernüberwachung, Aktualisierungen für Seekarten, Wetterinformationen, Sicherheitsinformationen (MSI), Sicherheit des Seeverkehrs, GMDSS und SafetyNET- und FleetNet-Dienstleistungen. Inmarsat C bietet keine Telefonie/Sprachübertragung. Der Dienst wird über eine Inmarsat-C-Transceiver oder einen mini-C-Transceiver mit niedrigerem Stromverbrauch betrieben. Beide bieten den gleichen Service. Da Inmarsat C mit einem mini-Transceiver auf relativ geringem Raum betrieben werden kann und Teil des GMDSS ist, ist das System auch für die Sportschifffahrt interessant. Der Dienst steht für maritime, terrestrische und luftfahrttechnische Nutzung zur Verfügung. (de)
- Inmarsat-C is a two-way, packet data service operated by the telecommunications company Inmarsat which operates between mobile earth stations (MES) and land earth stations (LES). It became fully operational after a period of pre-operational trials in January 1991. The advantages of Inmarsat-C compared to Inmarsat-A are low cost, smaller and uses a smaller omni-directional antenna. The disadvantage is that voice communication is not possible with Inmarsat-C. The service is approved for use under the Global Maritime Distress and Safety System (GMDSS), meets the requirements for Ship Security Alert Systems (SSAS) defined by the International Maritime Organization (IMO) and is the most widely used service in fishing Vessel Monitoring Systems (VMS). The service works with a store-and-forward method which enables interface with data network transfer including; e-mail; SMS; telex; remote monitoring; tracking (position reporting); chart and weather updates; maritime safety information (MSI); maritime security; GMDSS; and SafetyNET and FleetNET services; two-way messaging; data reporting and polling; Safety/Emergency alerting. The service is operated via an Inmarsat-C Transceiver or a lower-power mini-C Transceiver. Data transfers between MES and LES at a rate of 600 bits/second. The frequencies for transmitting (TX) are 1626.5MHz -1645.5MHz and for receiving (RX) are 1530.0MHz - 1545.0MHz. The service is available for maritime, land mobile and aeronautical use. This system was also used to track the BBC's project "The Box". BBC News followed a container around the world for a year to tell stories of globalization and the world economy. (en)
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