Publication: Magyar Közlöny
Issue: MK-2007-70 (Year: 2007, Number: 70)
Era: 2004-2010
Section: Melléklet a 2007. évi XLVI. törvényhez
Paragraph Index: 3073

b) for Category III — ILS glide paths: 10 degrees, of phase relative to 90 Hz. Similarly, the 150 Hz tones of the two carriers shall be phase-locked so that the demodulated wave forms pass through zero in the same direction, within: 1) for Categories I and II — ILS glide paths: 20 degrees; 2) for Category III — ILS glide paths: 10 degrees, of phase relative to 150 Hz. 3.1.5.5.3.2 Alternative two-frequency glide path systems that employ audio phasing different from the normal in-phase condition described in 3.1.5.5.3.1 shall be permitted. In these alternative systems, the 90 Hz to 90 Hz phasing and the 150 Hz to 150 Hz phasing shall be adjusted to their nominal values to within limits equivalent to those stated in 3.1.5.5.3.1. Note This is to ensure correct airborne receiver operation within the glide path sector where the two carrier signal strengths are approximately e ual 3.1.5.5.4 Recommendation Undesired fre uency and phase modulation on I S glide path radio fre uency carriers that can affect the displayed DDM values in glide path receivers should be minimi ed to the extent practical Note Relevant guidance material is given in of Attachment C 3.1.5.6 Displacement sensitivity 3.1.5.6.1 For Facility Performance Category I — ILS glide paths, the nominal angular displacement sensitivity shall correspond to a DDM of 0.0875 at angular displacements above and below the glide path between 0.07 ș and 0.14 ș. Note The above is not intended to preclude glide path systems which inherently have asymmetrical upper and lower sectors 3.1.5.6.2 Recommendation For Facility Performance Category I I S glide paths the nominal angular displacement sensitivity should correspond to a DDM of at an angular displacement below the glide path of ș with a tolerance of plus or minus ș The upper and lower sectors should be as symmetrical as practicable within the limits specified in 3.1.5.6.3 For Facility Performance Category II — ILS glide paths, the angular displacement sensitivity shall be as symmetrical as practicable. The nominal angular displacement sensitivity shall correspond to a DDM of 0.0875 at an angular displacement of:

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