GPS Terminology – nanu nanu :-)

After the last post I had a few emails asking me what PRN 32 means so I thought I would list a few terms that…

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GPS – New Satellite SOG Errors?

There has been some discussion recently about the new satellite PRN32 or at least an old satellite that has been recommissioned and brought into the…

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Garmin Mobile XT & Bluechart Marine Charts on a phone?

I wrote about Mobile XT previously. My comment was not that you couldn’t get chartplotting software on a smartphone, because patently you can – the…

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AIS Update – does yours have an “anti-pirate” Button?

I thought I would give a quick update on some of the more popular brands of AIS receiver and transponder, including some of the salient…

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B&G®, Eagle®, Lowrance, MX Marine, Navman, Northstar and Simrad® Are they all the same?

Blogs like mine can get quite excited by the comparison of competing brands of electronic device in the market place. But the recent news of…

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