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Vol. 13 (2010 year), No. 3

Kholodov G.G., Men'shikov V.I.
Identification and assessment of navigational danger in multistep observations

The features of the satellite TV broadcasting on the high-latitude satellite-serviced area is under consideration in the paper. There are a lot of factors influencing upon the signal power parameters. They are such as a signal dispersion along the very lengthy radioline, very small elevation angles, an absorption in the atmosphere oxygen and aqueous vapor, the hydrometeor attenuation (rain, snow, sleet and etc.) and other important factors. But because of the limited paper volume only several factors have been considered properly.

(in Russian, стр.3, fig. 0, tables. 0, ref 2, Adobe PDF, Adobe PDF 0 Kb)

Vol. 13 (2010 year), No. 4

Kholodov G.G.
Requirements of national marine classification societies to works at sea shelf and to reference systems of vessels equipped with dynamic positioning systems and their classification

In the paper the classification of vessels equipped with dynamic positioning (DP) systems has been analyzed. The problem of classification of works under the class of vessels equipped with DP systems, and classification of reference systems intended for operation in the northern latitudes has been under consideration.

(in Russian, стр.7, fig. 5, tables. 1, ref 5, Adobe PDF, Adobe PDF 0 Kb)