Issued: 2011 06 27 0734 BST #------------------------------------------------# # PROPAGATION WARNING # # C.C.R.M. Ophain # # 50° 39' 30\" N - 004° 29' 00\" E # # # # POSSIBLE HARMFULL INTERFERENCE DUE TO # # SPECIAL EVENT # #------------------------------------------------# CCRM Propagation Bulletin #83 OBSERVATION PERIOD : 2011 06 27 0734 BST INTERFERENCE RISK : Abnormal tropospheric propagation have been detected on the 390-395 MHz TETRA band this Monday. The following is a result of a TETRA scan on the 390-395MHz band using an omni-directional antenna (PN-1029-25) form the C.C.R.M. facility at Ophain. MCC=234 -------------- [09:07:56.434] [390.9375 MHz] [MCC:234 MNC:78 LA:9886] [09:08:38.420] [391.9625 MHz] [MCC:234 MNC:78 LA:-1] [09:08:46.613] [392.1625 MHz] [MCC:234 MNC:78 LA:9872] [09:08:52.757] [392.3125 MHz] [MCC:234 MNC:78 LA:9910] [09:08:54.805] [392.3625 MHz] [MCC:234 MNC:78 LA:-1] [09:08:58.901] [392.4625 MHz] [MCC:234 MNC:78 LA:9884] [09:09:06.070] [392.6375 MHz] [MCC:234 MNC:78 LA:-1] [09:09:10.166] [392.7375 MHz] [MCC:234 MNC:78 LA:9895] [09:09:11.190] [392.7625 MHz] [MCC:234 MNC:78 LA:8203] [09:10:05.465] [394.0875 MHz] [MCC:234 MNC:78 LA:9865] [09:10:07.514] [394.1375 MHz] [MCC:234 MNC:78 LA:8238] [09:10:21.850] [394.4875 MHz] [MCC:234 MNC:78 LA:4051] [09:10:40.284] [394.9375 MHz] [MCC:234 MNC:78 LA:6042] MCC=204 --------------- [09:07:48.241] [390.7375 MHz] [MCC:204 MNC:1000 LA:1315] [09:07:52.338] [390.8375 MHz] [MCC:204 MNC:1000 LA:-1] Various TETRAPOL signal have also been seen. These stations could be potential interfering stations. Best regards, REMARKS : From my colleague : Christophe VISEE (ing.) Operator : Serge MAROTTE Snr. Radio-operator / technical staff SEE OUR PROGPAGATION GRAPHS : http://www.ccrmradio.be/propaplot.html AND PROPAGATION MAP : http://www.ccrmradio.be/propamap.html Contact us for specific information. #------------------------------------------------------------------------# # Centre de Contrôle des Radiocommunications des Services Mobiles # # Centrum voor Controle der Radioverbindingen van de Mobiele Diensten # # a.s.b.l. v.z.w. # # Rue des Belles Pierres, 5 # # B-1421 OPHAIN Belgium # # Fax : 32 (0) 2 384 26 59 # # Tel.: 32 (0) 2 384 40 94 # # ccrm@ccrmradio.be # # # # Please do not reply directly to this message, but send comments # # and suggestions to 'propagation@ccrmradio.be'. # # To subscribe or unsubscribe, send a mail to 'propagation@ccrmradio.be' # # For more information, see http://www.ccrmradio.be # #------------------------------------------------------------------------#