Interference on RBS Mode SRY surveillance frequency and false TCAS displays are possible within ULLI TMA area of responsibility.

A3080/26

EST

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COMSurveillance Systems

2026-05-21 11:58 - 2026-11-21 18:00

Duration:VERY LONG7 months EST

Period of Applicability

2026-05-21 11:58 - 2026-11-21 18:00

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Interpretation

Short-time interference on RBS Mode SRY surveillance frequency and occurrence of false marks on TCAS displays is possible within ULLI TMA area of responsibility.

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Raw NOTAM

A3080/26 NOTAMR A8669/25
Q)ULLL/QATXX/IV/NBO/A/000/999/5948N03016E025
A)ULLI B)2605211158 C)2611211800 EST
E)SHORT-TIME INTERFERENCE ON RBS MODE SRY SURVEILLANCE FREQ AND
OCCURRENCE OF FALSE MARKS ON TCAS DISPLAYS POSS WI ULLI TMA AREA OF
RESPONSIBILITY.

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