Telemetering & telecontrol equipment for missiles Missile Section: p. 47, 8.3.3

And D.O.T. 3 is the answer-- the first digital orthographic telemeter.

- Improving marine environmental monitoring and early warning capabilities. Measures in this regard include setting up more observation sites and networks in coastal areas and on islands; constructing high-tech observation systems; improving aerial remote-sensing and telemetering capabilities for marine environments, especially for monitoring changes in sea level; developing early warning and response systems for tidal disasters in coastal areas; and promoting comprehensive early warning support capability, and strengthening the service capability of early warning systems as well as the production and distribution of early warning products, in order to increase marine disaster early warning capability.