Issued: 2026 04 24 0824 UTC #------------------------------------------------# # PROPAGATION WARNING # # BIPT Ophain # # 50° 39' 30" N - 004° 21' 00" E # # # # POSSIBLE HARMFUL INTERFERENCE DUE TO # # SPECIAL EVENT # #------------------------------------------------# BIPT Propagation Bulletin 1040 OBSERVATION PERIOD : 2026 04 24 0824 UTC INTERFERENCE RISK : HF radio Blackout REMARKS : We are currently observing a strong R3 radio blackout. HF bands up to 30 MHz and above are affected. OPERATOR : S. Marotte SEE OUR PROGPAGATION GRAPHS : https://propa.bipt.be Contact us for specific information. #------------------------------------------------------------------------# # Belgian Institute for Postal Services and Telecommunications # # # # Boulevard du Roi Albert II 32 box 10 # # 1000 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 # #------------------------------------------------------------------------#