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  2. Hydrographic Service
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CNAV

CNAVClassical navigation involves calculations of course, distance, tides and celestial navigation for use in voyage planning and execution. With CNAV 4.1, it is possible to perform these calculations quickly and accurately.

We are interested to know who uses this program, so please fill out the form and the download will start. The Netherlands Hydrographic Service will only use your information to obtain insight in who downloads our products and to respond to possible comments. The information will not be supplied to third parties.

Minimum system requirements:
Operating system: Windows 95 (or higher) 
Processor: pentium
RAM: 64 MB
Diskspace: 7,3 MB

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Your personal information will only be used to gain insight into who downloads our products and to respond to any questions you might have. Data is no longer stored than is strictly necessary for those purposes.

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