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Thanks Herman for the updated Table 4

I keep it as back-back sheets, laminated. Ditto HavDoniol 4 place resources. I use them as a my astro minimum system at least once a month to 'keep my eye in'. Last time I used them was approaching Lindisfarne from the north, Ebbco plastic sextant, morning sun sight, my son and I pretending to be Viking invaders. For some mad reason he was playing 'Steamboat' on his accordion, out on deck. Childish, but deeply satisfying fun: result within 3 mlles of GPS.

It's one thing knowing about a technique, it's another thing altogether to keep in practice....

Thanks again

Michael Bradley ( presently alongside in Whitby, walked past Capt Cook's cottage yesterday )