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Don Burke <donburke56@ne*.ne*> wrote: The real reason for the markings is to measure horizontal distances on or near the bottom. In this neck of the woods (Norfolk, VA area), sorting through debris fields at much less than 100 feet in about 15 foot vis is quite common. I'd really like a decent system to figure out how far off the tie-in I am. The goal is to obtain said markings without reducing the line's utility as a safety device. If the utility of the line can be improved, I'm all for it. I've used a line marked with an indelible marker. You put 1 short mark at 10 ft, 2 at 20 ft, etc up to 50 ft, which is 1 long mark. 60 ft is 1 long mark and 1 short mark, 70 is 1 long mark and 2 short marks, etc. It is useful for making rough measurements on wrecks. al -- Send mail for the `techdiver' mailing list to `techdiver@aquanaut.com'. Send subscribe/unsubscribe requests to `techdiver-request@aquanaut.com'.
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