SWS GRAFEX HF FREQUENCY PREDICTIONS                            ADDRESS NO. 1234
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Circuit: Broome     Perth               Date:  13 January, 2026    T-index:  50
Bearings: 201  24                       Distance: 1680 km
First Mode        |--------F r e q u e n c y  (MHz)---------|       Second Mode
1F 12-20 1E 2     1   5   10    15   20    25   30    35   40    2F 29-40 2E 10
UT  OWF EMUF  ALF |...|....| ....|....| ....|....| ....|....|  OWF EMUF  ALF UT
00 12.5 14.9  8.5     ASXXXB BBPE..                            6.9  9.9  4.9 00
01 13.6 16.2  9.1      SSXXX BBBPEE.                           7.5 10.8  5.3 01
02 14.3 17.1  9.5      ASXXX XBBBPEE.                          7.9 11.3  5.5 02
03 14.7 17.5  9.7      ASSXX XBBBPPE...                        8.3 11.7  5.6 03
04 14.8 17.7  9.8      ASSXX XBBBPPP... .                      8.7 11.8  5.7 04
05 14.7 17.6  9.7      ASSXX XBBBPPP... ..                     9.0 11.8  5.6 05
06 14.8 17.1  9.5      ASSXX XBBBPPP%.. ...                    9.0 11.5  5.5 06
07 14.3 16.3  9.1      SSSXX MBBBPP%%.. ..                     8.8 10.9  5.3 07
08 13.8 15.1  8.5     ASSSXM BBBPP%%... ..                     8.6 10.0  5.0 08
09 13.3 13.3  7.7     ASSXMM BBB%%%%... .                      8.5  8.7  4.5 09
10 12.1 10.3  6.2    ASSMMMM FF%%%%....                        8.0  6.4  3.8 10
11 10.7  2.1  0.0 XMMMMMMMMF %%%%%....                         7.4  1.4  0.0 11
12 10.1  2.1  0.0 XMMMMMMMMF %%%%....                          7.2  1.4  0.0 12
13  9.6  2.1  0.0 XMMMMMMMF% %%%....                           6.8  1.4  0.0 13
14  9.5  2.1  0.0 XMMMMMMMF% %%....                            6.4  1.4  0.0 14
15  9.7  2.1  0.0 XMMMMMMMF% %%....                            6.5  1.4  0.0 15
16  9.4  2.1  0.0 XMMMMMMMF% %%...                             6.3  1.4  0.0 16
17  9.1  2.1  0.0 XMMMMMMFF% %%...                             6.0  1.4  0.0 17
18  7.5  2.1  0.0 XMMMMMM%%% ...                               5.6  1.4  0.0 18
19  6.9  2.1  0.0 XMMMMM%%%. ...                               5.3  1.4  0.0 19
20  5.9  2.1  0.0 XMMMM%%%.. .                                 4.7  1.4  0.0 20
21  6.0  2.1  0.0 XMMMM%%%.. ..                                4.6  1.4  0.0 21
22  8.4  9.9  6.0    ASXMBP% %...                              6.0  6.6  3.5 22
23 10.9 13.1  7.6     SSXXBB PPP..                             6.6  8.7  4.4 23
UT  OWF EMUF  ALF |...|....| ....|....| ....|....| ....|....|  OWF EMUF  ALF UT
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|.  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) 13-Jan-2026 BoM Space Weather Services, Sydney Australia +61-2-9213-8000