Canadian Power and Sail Squadrons and United States Power Squadrons offer classroom training in safe boating and navigation. Vancouver Power and Sail Squadron's page provides details of some of the CPS courses.
Stephen Jones's Starting Point for Sailing on the Internet has links to virtually all sailing-related sites.
marnav22.zip (61725 bytes) converts Loran-C TDs to Lat/Long (or vice-versa). This is a demo version, that only includes data for one Loran-C chain, however, data for other chains may be easily added.
lorancnv.exe (43406 bytes) is a program to convert between Lat/Long and Loran-C (or Loran-A) time differences.
Carl Andren sells programs to manage waypoint lists and do Lat/Long to Loran TD conversions. MS-DOS, Windows, and Macintosh versions are available.
The Vault is a Windows database program for storing and managing Loran and GPS data (which includes 10,000+ sites across North America). Also does conversion of Loran to/from GPS, plotting (includes all US State and coast outlines), fishing and diving log book, etc.
W2 (438,008 bytes, Feb 26/97) is a programme which calculates great circle distances and bearings around the world. Assumes a sphere thou' so is only of general use. By Paul Catchpole (paulcatc@taranaki.ac.nz)
navrules.zip (555449 bytes) is a Windows 3.1 program to teach the lights, shapes, and sound signals required by the Collision Regulations (both international and US inland rules) (self-extracting archive)
nasr.exe (70203 bytes) is a sight reduction program for USPS JN and N courses - intended to aid the insructor in checking his student's work. (self-extracting archive)
The tide and current prediction program by Ed Wallner (epwallnr@world.std.com) comes in four versions, with data files for different areas:
In addition, bctidcur.zip (154,657 bytes) has data files for all tide and current stations on the Canadian west coast (Canadian tide tables vol. 5 and 6). This file contains the data files only - you will have to get the program from one of the above files.
tide24.zip (314,521 bytes) is another tide program, by Hans Pieper. It appears to have excellent world-wide coverage for tides, but doesn't do tidal currents.
Dave Flater (http://www.flaterco.com/xtide/) has a tide program called "Xtide". It was developed under unix/X11, but has been ported to OS/2, Windows, DOS, Macintosh, and other platforms.WXTide32 is a port of the XTides program which runs on Win95/98/WinNT 4.0 systems. Tide level station coverage is worldwide and there is good tidal current station coverage for the US and Canada. Stations can be selected from a station list and/or world map. From Mike Hopper (MikeHopper@usa.net)
Tide Tool is a port of XTides for the Palm Pilot and similar devices.
xatide (966,656 bytes, Mar 25/98) calculates tide heights for all the world ports, runs under Xwindows and requires Motif and xgraph. The software is beta and is supplied as source code under the GNU C copyright. Also includes marinlib ver 0.1 which is a collection of marine library functions written in ANSI C. Library functions include astro nav, tide calculation and various conversion routines. From Dennis Armstrong (dba@ing.iac.es)
The United Kingdom Hydrographic Office offers world-wide on-lline tide prediction program at http://www.easytide.com.
Marine VHF Channel and Frequency list
Marine HF-SSB Channel and Frequency list
USCG HF-SSB broadcast schedule
HF Facimile broadcast information
The Marine Electrical Systems