Publication: Magyar Közlöny
Issue: MK-2009-104 (Year: 2009, Number: 104)
Era: 2004-2010
Section: 
Paragraph Index: 2256

d) the transponder is in suppression (3.1.2.4.2). If a P1 – P2 suppression pair and a Mode A or Mode C intermode interrogation are recognized simultaneously the transponder shall be suppressed. 3.1.2.4.1.1.3 Mode S interrogation recognition. A Mode S interrogation shall be recognized when a P6 pulse is received with a sync phase reversal within the interval from 1.20 to 1.30 microseconds following the leading edge of P6. A Mode S interrogation shall not be recognized if a sync phase reversal is not received within the interval from 1.05 to 1.45 microseconds following the leading edge of P6. 3.1.2.4.1.2 Interrogation acceptance. Recognition according to 3.1.2.4.1 shall be a prerequisite for acceptance of any interrogation. 3.1.2.4.1.2.1 Mode A and Mode C interrogation acceptance. Mode A and Mode C interrogations shall be accepted when recognized (3.1.2.4.1.1.1). 3.1.2.4.1.2.2 Intermode interrogation acceptance 3.1.2.4.1.2.2.1 Mode A/C/S all-call interrogation acceptance. A Mode A/C/S all-call interrogation shall be accepted if the trailing edge of P4 is received within 3.45 to 3.75 microseconds following the leading edge of P3 and no lockout condition (3.1.2.6.9) prevents acceptance. A Mode A/C/S all-call shall not be accepted if the trailing edge of P4 is received earlier than 3.3 or later than 4.2 microseconds following the leading edge of P3, or if a lockout condition (3.1.2.6.9) prevents acceptance. 3.1.2.4.1.2.2.2 Mode A/C-only all-call interrogation acceptance. A Mode A/C-only all-call interrogation shall not be accepted by a Mode S transponder. Note.— The technical condition for non-acceptance of a Mode A/C-only all-call is given in the preceding paragraph by the requirement for rejecting an intermode interrogation with a P4 pulse having a trailing edge following the leading edge of P3 by less than 3.3 microseconds. 3.1.2.4.1.2.3 Mode S interrogation acceptance. A Mode S interrogation shall only be accepted if:

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