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Important NDBC Web Site and FTP Server ChangesNDBC sometimes makes file format, display, and other changes to its web pages and web data files. Current significant changes are described here. 1. A "#" sign will start header or other metadata lines (April 2007).This will facilitate having a second header line for units of measurement (see below) and other lines interspersed in the data for significant changes in metadata, such as a station position change. 2. Column headings will be standardized (April 2007).Some columns for the same measurement had different headings, depending on which data group they were in. For example, the column heading for air pressure was PRES in one list and BARO in another. PRES will be the standard for air pressure, APD will be the standard for Average Wave Period, WVHT will be the standard for Significant Wave Height, GST will be the s. 3. A second header line will be added to specify units of measurement (April 2007).New historical and realtime data files will be modified to include a second header line that specifies the unit of measure for each column. Generally, the units in these files are different than the units on the station pages, which has caused misinterpretations. Raw spectral wave data files will not have the second header, as these raw data are unitless. See Measurement Descriptions and Units for more information on the units of measure used on the NDBC web site. NOTE! Prior year historical files will remain in the old format! When implemented, these format changes will begin with the 2007 January data. Feedback - To comment on these format changes, you may use this Format Customer Survey. 4. Anonymous FTP download capability will be discontinued (June 1st, 2007).You will not be able to download NDBC files by anonymous FTP. See How can Realtime data be retrieved from the NDBC web site? for information on other methods to download NDBC data files. Note! This transition period may be shortened to 30 days at any time before the above date. You are strongly encouraged to transition affected scripts as soon as it is feasible!
Feedback - To comment on this change, you may use this FTP Customer Survey.
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