Interpretation

Short-duration interference on RBS Mode SRY surveillance frequency may occur, resulting in false marks appearing on TCAS displays within the ULLI TMA area of responsibility.

Message

SHORT-TIME INTERFERENCE ON RBS MODE SRY SURVEILLANCE FREQ AND OCCURRENCE OF FALSE MARKS ON TCAS DISPLAYS POSS WI ULLI TMA AREA OF RESPONSIBILITY.

Raw NOTAM

A6354/25 NOTAMR A3697/25
Q) ULLL/QATXX/IV/NBO/A/000/999/5948N03016E025
A) ULLI B) 2508211805 C) 2511212100 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.