Seventy-page guide to the science, technology, equipment, location, installation, licensing and procedures of SSB operation. Includes appendices on public correspondence stations, marine channels, and weather fax.
Unmoderated forum on marine electrical and electronic equipment. Good advice and resources here, but you have to dig and you have to be selective.
A marine digital recorder to capture incoming radio weather forecasts, vessel traffic reports, etc. Sift through a long transmission for the data you need using fast forward. Play back the critical information more than once for accuracy.
A discussion board and photo gallery for cruising sailors and wannabes focused on sailing instruments and communications equipment. Autopilot, radar, sonar, chart plotters, satellite telephones, mobile telephones, internet, marine e-mail, VHF, HF, SSB, etc.
This site lets you display the position of any mobile amateur radio station that reports its position. Your friends ashore can track your progress, and you can see where other boats are.