Issued: 2017 09 06 1245 UTC #------------------------------------------------# # PROPAGATION WARNING # # C.C.R.M. Ophain # # 50° 39' 30\" N - 004° 21' 00\" E # # # # POSSIBLE HARMFUL INTERFERENCE DUE TO # # SPECIAL EVENT # #------------------------------------------------# CCRM Propagation Bulletin #558 OBSERVATION PERIOD : 2017 09 06 1245 UTC INTERFERENCE RISK : MAJOR HF blackout The HF bands Blackout (3 - 30 MHz) is still ongoing and seems to be even stronger. VHF bands (aeronautical and other) are not affected since no skywave is used. The field strength measurements of the NDBs in LF and MF bands realized today at 12:30 UTC are normal and show no abnormality. REMARKS : Operator : Serge MAROTTE 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 # #------------------------------------------------------------------------#