SWS GRAFEX HF FREQUENCY PREDICTIONS ADDRESS NO. 1234 =============================================================================== Circuit: Kununurra Perth Date: 22 October, 2024 T-index: 140 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 23.6 0.0 11.8 SSS SXMMMFFFFF FFF%%%... 13.8 13.0 7.1 00 01 24.1 0.0 12.6 ASS SSXXMFFFFF FFFF%%.... 14.0 14.2 7.6 01 02 24.2 0.0 13.1 ASS SSSXMMFFFF FFFF%%... 14.1 15.0 7.9 02 03 24.9 0.0 13.4 ASS SSSXXMFFFF FFFF%%%... 14.6 15.5 8.0 03 04 25.6 0.0 13.5 SS SSSXXMMFFF FFFFF%%... 14.8 15.7 8.1 04 05 25.4 0.0 13.4 ASS SSSXXMMFFF FFFFF%%... 15.0 15.5 7.9 05 06 24.4 0.0 13.0 ASS SSXXXMMFFF FFFF%%.... 14.8 15.1 7.7 06 07 23.3 0.0 12.3 SSS SSXXMMFFFF FFF%%.... 14.2 14.1 7.4 07 08 22.7 0.0 11.4 ASSS SXMMMFFFFF FF%%%... 13.8 12.6 6.9 08 09 23.1 0.0 9.8 SSSX MMMMMMFFFF FFF%%.... 14.1 10.1 6.1 09 10 21.5 0.0 5.8 AMMMMM MMMMMFFFFF F%%%... 13.8 0.0 4.5 10 11 20.1 0.0 0.0 XXMMMMMMMM MMMMFFFFFF %%.... 13.1 2.2 0.0 11 12 19.2 0.0 0.0 XXMMMMMMMM MMMFFFFFF% %.... 12.2 2.2 0.0 12 13 18.7 0.0 0.0 XXMMMMMMMM MMFFFFFF%% %... 11.5 2.2 0.0 13 14 17.8 0.0 0.0 XXMMMMMMMM MMFFFFF%%% %.... 10.6 2.2 0.0 14 15 16.9 0.0 0.0 XXMMMMMMMM MMFFFF%%%% ...... 9.9 2.2 0.0 15 16 16.0 0.0 0.0 XXMMMMMMMM MFFFF%%%%. ..... 9.4 2.2 0.0 16 17 14.8 0.0 0.0 XXMMMMMMMM FFFF%%%... ... 9.0 2.2 0.0 17 18 12.5 0.0 0.0 XXMMMMMMMM FF%%%..... 8.4 2.2 0.0 18 19 11.0 0.0 0.0 XXMMMMMMMF %%%%.... 7.7 2.2 0.0 19 20 10.9 0.0 0.0 XXMMMMMMMF %%%%.... 7.5 2.2 0.0 20 21 12.5 0.0 0.0 XXMMMMMMMF FF%%%%.... . 8.0 2.2 0.0 21 22 17.6 0.0 8.0 SSMMM MMFFFFF%%% %.... 10.6 7.4 5.1 22 23 22.2 0.0 10.4 SSSS XMMMFFFFFF FF%%.... 12.8 11.1 6.4 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) 22-Oct-2024 BoM Space Weather Services, Sydney Australia +61-2-9213-8000