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Latest News across the RIN

Northern Lighthouse Board AtoN Review Consultation Exercise

The Northern Lighthouse Board (NLB) has recently undertaken a review of their Aids to Navigation (AtoN) provided around the Scottish ...more

Commissioners of Irish Lights 2015 AtoN Review


Trinity House 2015 AtoN Review Consultation Exercise

Trinity House has recently undertaken a review of their Aids to Navigation (AtoN) provided around the coasts of England, Wales and ...more

Visit to the Old Royal Naval College, Greenwich

An opportunity to participate in a guided Navy Days Tour on 10 February 2015 at the Old Royal Naval College (ORNC), Greenwich.

William Bligh Lecture RAF Wyton Thursday 19th June 2014

Change of Start Time

Today is the winter solstice

The northern hemisphere sees its shortest day today as the Sun reaches it furthest point south.

Russian SBAS working


The Russian Satellite Based Augmentation System (SBAS) is reported to be transmitting GPS differential corrections.

Luch-5A, a geostationary comms satellite that carries the System for Differential Correction and Monitoring (SDCM) transponder, has started transmitting GPS corrections - according to Javad Ashjaee, CEO of Javad Navigation Systems.

He reported that L1 signals, using PRN code 140, were received by Javad receivers on 14 July and used to compute code-differential positions. Only GPS corrections - not GLONASS - have been received to date.

Luch-5A has recently been repositioned at 95ºE in an apparent switch of positions with Luch-5B, which is scheduled for launch later this year. Luch-5A is also using the GPS PRN code previously assigned to Luch-5B - so it appears to be a complete swap of 5A and 5B functions.

Details from The American Surveyor below.

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