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If no typos again ...

15:29:10 35°00' +0.0 NM / 132.0°
15:31:45 35°23' +1.7 NM / 132.6°
15:33:41 35°38' +0.9 NM / 133.1°
15:35:49 35°52' -2.4 NM / 133.7°
15:37:59 36°12' +0.2 NM / 134.3°
15:39:49 36°27' +0.6 NM / 134.7°
15:41:54 36°44' +1.1 NM / 135.3°
15:43:21 36°58' +3.8 NM / 135.7°
15:45:49 37°13' -0.4 NM / 136.3°
15:47:33 37°29' +2.3 NM / 136.8°

What do you exactly call a "rapid-fire" fix ? I do not see how - which such "almost same azimut" shots, we can get anything more than taking the average value of all shots and their average azimut which gives - if no typo again ... - +0.78 NM (i.e. 0.78 NM Towards the Sun in your terminology) and an Azimut of 134.4°. This is already a quite reliably good LOP (actually within less than 1 NM error with an old instrument, but nonetheless ... an experienced observer)

I would be higly interested to learn how we can deduce extra reliable information here, for example a so-called "fix" ... and what would be the confidence of such fix, or in other words, how would the confidence ellipse look like (quite flat probably ...)

Thank you and Best Regards

Antoine M. "Kermit" Couëtte
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