Issued: 2024 02 09 1308 UTC #------------------------------------------------# # PROPAGATION WARNING # # BIPT Ophain # # 50° 39' 30" N - 004° 21' 00" E # # # # POSSIBLE HARMFUL INTERFERENCE DUE TO # # SPECIAL EVENT # #------------------------------------------------# BIPT Propagation Bulletin 876 OBSERVATION PERIOD : 2024 02 09 1308 UTC INTERFERENCE RISK : LF - MF - HF Radio Blackout REMARKS : We are currently observing a radio blackout mainly due to significant solar activity which activates the absorbing D layer. the NOAA website currently displays an R3 alert which means : """ STRONG HF Radio: Wide area blackout of HF radio communication, loss of radio contact for about an hour on sunlit side of Earth. Navigation: Low-frequency navigation signals degraded for about an hour. """ NOAA : https://www.swpc.noaa.gov/communities/radio-communications# OPERATOR : Serge Marotte SEE OUR PROGPAGATION GRAPHS : https://propa.bipt.be Contact us for specific information. #------------------------------------------------------------------------# # Belgian Institute for Postal Services and Telecommunications # # # # Ellipse Building C # # Boulevard du Roi Albert II 35 box 1 # # 1030 Brussels # # Tel.: 32 (0) 2 226 88 88 # # info@bipt.be # # # # Please do not reply directly to this message, but send comments # # and suggestions to 'propa@bipt.be'. # # To subscribe or unsubscribe, send a mail to 'propa@bipt.be' # # For more information, see https://propa.bipt.be # #------------------------------------------------------------------------#