Publication: Magyar Közlöny
Issue: MK-2007-70 (Year: 2007, Number: 70)
Era: 2004-2010
Section: Melléklet a 2007. évi XLVI. törvényhez
Paragraph Index: 3463

c) If at least one of the checksums (c1, ..., c7) is equal to “1” and cȈ is equal to “0”, or if all checksums (c1, ..., c7) are equal to “0” but cȈ is equal to “1”, then there are multiple errors and the data shall be rejected. 3.2.2.2 SATE ITE C C C RRECTI N PARAMETERS 3.2.2.2.1 GLONASS system time is determined as: tGLONASS tk Ĳn(tb) Ȗn(tb) (tk tb) where tk, Ĳn(tb), Ȗn(tb) are parameters described in 3.2.1.3.1. 3.2.2.2.2 GLONASS time is related to National Time Service of Russia (UTC(SU)) time as indicated below: tUTC(SU) tGLONASS Ĳc 03 hours 00 minutes where Ĳc is a parameter described in 3.2.1.3.4 and 03 hours 00 minutes is continuous time shift caused by difference between Moscow time and Greenwich time. 3.2.2.3 SATE ITE P SITI N 3.2.2.3.1 The current satellite position is defined using ephemeris parameters from GLONASS navigation, as indicated and in Table B-17. 3.2.2.3.2 Recalculation of ephemeris from instant tb to instant ti within the interval ( Ĳi ti tb  15 minutes) is performed using a technique of numeric integration of differential equations describing the motion of the satellites. In the right-hand parts of these equations the accelerations are determined using the gravitational constant P and the second zonal harmonic of the geopotential J2 0which defines polar flattening of the earth, and accelerations due to luni-solar perturbation are taken into account. The equations are integrated in the P -90 (3.2.5) coordinate system by applying the Runge-Kutta technique of fourth order, as indicated below: dx Vx dt dy Vy dt dz Vz dt 23/11/06 A 2007/70/II. szám A endix Annex 10 — Aeronautical Communications e x y a dV 5z x J x 1 x 2 V dt r r r § · P P     Z  Z  ¨ ¸ © ¹ x y e x dV a 5z y J y 1 y 2 V dt r r r § · P P     Z  Z  ¨ ¸ © ¹ y e z a dV 5z z J z 1 dt r r r § · P P z     ¨ ¸ © ¹  where r x y z ;   earth s universal gravitational constant (398 600.44 10 m /s ); a ) earth s rotation rate (7.292115 10 5 radians/s). oordinates xn(tb), yn(tb), zn(tb) and velocity vector components (tb) Vx (tb) Vy (tb) Vz are initial conditions integration. Accelerations due to luni-so

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