SWS GRAFEX HF FREQUENCY PREDICTIONS ADDRESS NO. 1234 =============================================================================== Circuit: Kununurra Perth Date: 15 November, 2026 T-index: 95 Bearings: 214 39 Distance: 2219 km First Mode |--------F r e q u e n c y (MHz)---------| Second Mode 1F 8-14 1E 0 1 5 10 15 20 25 30 35 40 2F 22-32 2E 6 UT OWF EMUF ALF |...|....| ....|....| ....|....| ....|....| OWF EMUF ALF UT 00 16.6 0.0 11.1 ASSX XXFFFF%%%% .... 9.9 12.7 6.7 00 01 17.6 0.0 11.8 SSX XXXFFFF%%% .... 10.0 13.8 7.1 01 02 18.5 0.0 12.3 SSS XXXXFFFF%% %.... 10.7 14.5 7.4 02 03 19.2 0.0 12.5 ASS SXXXFFFFF% %%%.... 11.2 15.0 7.5 03 04 20.0 0.0 12.6 ASS SXXXXFFFF% %%%...... 11.6 15.1 7.5 04 05 20.5 0.0 12.5 SSS SXXXFFFFFF %%%%..... 11.8 15.0 7.4 05 06 19.5 0.0 12.1 SSS SXXXFFFFF% %%%%..... 11.8 14.5 7.3 06 07 18.3 0.0 11.6 ASSS SXXMFFFF%% %%%..... 11.3 13.6 7.0 07 08 17.4 0.0 10.7 ASSS XXMFFFF%%% %%..... 10.8 12.3 6.5 08 09 17.6 0.0 9.4 ASSSX MMMMFFF%%% %%..... 11.0 10.1 5.9 09 10 16.5 0.0 6.8 ASMMMM MMMFFF%%%% %..... 10.9 0.0 4.7 10 11 15.4 0.0 0.0 XMMMMMMMMM MMMFF%%%%% ..... 10.5 2.0 0.0 11 12 14.2 0.0 0.0 XMMMMMMMMM MMFF%%%%.. ... 9.6 2.0 0.0 12 13 13.3 0.0 0.0 XMMMMMMMMM MFF%%%%... .. 8.8 2.0 0.0 13 14 13.3 0.0 0.0 XMMMMMMMMM FFF%%%%... .. 8.4 2.0 0.0 14 15 13.8 0.0 0.0 XMMMMMMMMM FFF%%%%... .. 8.5 2.0 0.0 15 16 14.1 0.0 0.0 XMMMMMMMMM FFFF%%%%.. .. 8.6 2.0 0.0 16 17 12.6 0.0 0.0 XMMMMMMMMM FF%%%%.... 8.0 2.0 0.0 17 18 10.8 0.0 0.0 XMMMMMMMMF %%%%..... 7.4 2.0 0.0 18 19 9.7 0.0 0.0 XMMMMMMMF% %%%..... 7.0 2.0 0.0 19 20 9.7 0.0 0.0 XMMMMMMMF% %%%..... 6.8 2.0 0.0 20 21 10.2 0.0 0.0 XMMMMMMMMF %%%%..... 7.3 2.0 0.0 21 22 13.7 0.0 8.1 ASSSMM MFF%%%%%.. ... 8.9 8.4 5.0 22 23 16.1 0.0 10.0 ASSSX XMFFFF%%%% ... 9.4 11.1 6.0 23 UT OWF EMUF ALF |...|....| ....|....| ....|....| ....|....| OWF EMUF ALF UT =============================================================================== |. USABLE LESS THAN 50% OF DAYS |% USABLE 50% TO 90% OF DAYS | |B BOTH E and F MODES 90% OF DAYS |M MIXED FIRST AND SECOND F MODES | |F FIRST F MODE ONLY |E E-LAYER PROPAGATION |P 90% E and 50-90% F | |S SECOND MODES ONLY |A HIGH ABSORPTION |X COMPLEX MODES | (c) 15-Nov-2026 BoM Space Weather Services, Sydney Australia +61-2-9213-8000