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Space


Elekon

The final LEO system, which is already far along in development, is actually a hybrid communications-navigation system called Elekon. With a team of Science and Technology International of Russia (STIR) and Elbe Space and Technology of Dresden, Germany, the Elekon program seeks to replace the existing two Russian LEO navigation systems and at the same time implement a low-cost vehicle/container tracking and messaging network. The latter payload consists of L-band, S-band, and C-band transponders which will operate from a 900-kg platform orbiting the Earth at an altitude of 1,150 km (Figure 4.32). The constellation will use seven spacecraft in different orbital planes and with an expected lifetime of 3-5 years. An Elekon payload was tested inorbit on the GEO-IK 1 satellite (launched 29 November 1994). The first operational vehicle was not scheduled for launch until the latter part of 1995 at the earliest (References 284-286).



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