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Charts
Without LORAN-C Grid Lines
This
first ever chart customization is offered in response to a long standing,
broad based request of professional mariners and serious recreational boaters.
That is, to have NOAA optionally remove the LORAN-C grid lines from the
approximately 260 charts that display LORAN-C. This option enhances
safety by permitting the mariner to see the remaining chart features more
clearly.
Mariners
and retail agents should note that NOAA queried mariners regarding removal
of LORAN-C. Mariners indicated that removal of the grid lines was
sufficient to their needs. Mariners’ principal desire was to reduce
clutter in the body of the chart. Due to the cartographic difficulty
of removing all chart references to LORAN, NOAA, with mariner concurrence,
left on the chart the LORAN scale and various notes referencing LORAN.
Mariners reviewing prototype charts indicated that this was quite acceptable
since they would be the ones requesting the “no loran” chart and so would
understand its usage.
During
the past year, NOAA cartographers worked to separate the LORAN-C grid lines
from each of the 260 charts. Simultaneously, NOAA and its private partner,
OceanGrafix, worked to create an industrial process to reliably compose
and print the chart images. In addition, the NOAA Coast Survey electronic
commerce site was modified to handle such orders. The option
is available now to all mariners through OceanGrafix'
retail network.
508 navigation insert
Tuesday November 13 2007by
OCS
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