MapMedia C-Map Wide Vector Chart: WVJRSM212MAP - Russia - Tver - Rybinsk (Update) Download - A link to download the chart will be emailed:DVD - Chart to be loaded onto a DVD for MaxSea TimeZero System and Champlain Canals

and Champlain Canals

On this edition there has been general updating throughout

Edition Date: 2013-11-01

The Astra IIIB has somewhat revolutionized celestial navigation

1:2 (height to length)

MapMedia C-Map Wide Vector Chart: WVJRSM212MAP - Russia - Tver - Rybinsk (Update) Download - A link to download the chart will be emailed:DVD - Chart to be loaded onto a DVD for MaxSea TimeZero System and Champlain CanalsHow MapMedia electronic charts are updated To meet the needs and safety of users, MapMedia updates its vector charts once or twice a year, according to the chart providers' updates, and once a year for raster charts. It is of course, extremely important for boaters to keep their charts up to date, in order to ensure the safety of all passengers onboard. Corrections, improvements and changes are made on a daily basis by the Hydrographic Services and by