Grateful acknowledgements to the following without which this project would not be possible.
- Vector shoreline data from GSHHG: Global Self-consistant Hierarchical High-resolution Geography Database. Version 2.3.4 Copyright © 2015 by P. Wessel and W. H. F. Smith. ( pwessel@hawaii.edu) (NCEI Download Site)
- The World Port Index database from the U.S. National Geospatial-Intelligence Agency. http://www.nga.mil/portal/site/maritime
- BLUEWATER icon (Globe-Sextant) © IconDrawer (Eugen Buzuk) http://www.icondrawer.com
- WMO translation tables, W.Ebisuzaki et. al, National Center for Environmental Prediction, NOAA. (wgrib.c).
- GPX file format, http://www.topografix.com.
- Tcl/Tk package creator freeWrap: Copyright © 1998-2013 by Dennis R. LaBelle freewrapmgr@users.sourceforge.net) All Rights Reserved. http://freewrap.sourceforge.net
- GPSBabel for import and export of route files, and for GPS support. Copyright © 2002-2013 Robert Lipe et al. and GPSBabel.org, http://www.gpsbabel.org.
- The National Centers for Environmental Information (formerly NGDC), NOAA, for the World Magnetic Model, WMM.COF, and associated software,http://www.ngdc.noaa.gov/geomag/WMM/soft.shtml.
- INNO Setup installation software, Copyright © 1997-2008 Jordan Russell. http://www.innosetup.com.
- Naval Research Laboratory Monterey Master Environmental Library for Grib decoder software. (Unavailable as of January 2010.)
- Stuart Cunningham for the BSB decoder library libbsb. http://libbsb.sourceforge.net.
- Waypoint+ file format, © Brent Hildebrand, http://www.tapr.org/~kh2z/Waypoint
- The GNU project for emacs and the gcc compiler. http://www.gnu.org
- The MinGW project for Windows development environment and C runtime libraries. http://www.mingw.org
- Tcl/Tk 8.6
- Expedition and Deckman for sample polar files.
- Home page photo credit: Andrews 63 Medicine Man finishing Transpac 2011. (c) Sharon Green, UltimateSailing.com.
- Andy Hamilton, Steve Carton, Simon Garland, Chris Goggin, Bob Zhang, Yves Monbaron for helpful comments, bug reports, and debugging assistance.