maritime worker


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    Vasiliki Flegka

    Dear Phil,

    Thank you for contacting MarineTraffic.

    I can understand how frustrating it is when you need to track a vessel and you cannot see the most updated positions.

    However, I would like to inform you that all MarineTraffic users have access to positions recorded by our network of terrestrial stations. We are glad to say that we have the largest network of its kind in the world!

    When you do not see updated positions and get the message "out of range", then the vessel is far away from terrestrial stations and can only be tracked via satellite. This is available with our satellite services, the SAT Flexible and the SAT Global.
    You can learn more about the satellite services in the following pages:

    Further to that, the lack of updated positions of a vessel can be a result of a number of other factors.
    Signal strength, functional transponder, local (vessel area) and surrounding (nearby stations) weather conditions, temperatures, traffic and the satellite constellation frequency are some of the most important ones.

    You can learn more about them here:

    Could you please be kind enough so as to provide me with the MMSI number of the vessel you want to track, in order for me to check, due to which of the aforementioned reasons, you cannot see the updated positions for the vessel?

    Thank you in advance for your response.

    Look forward to hearing from you.

    Kind regards,

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