Index of /4/4x4xm//FAQ

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[ ]At-what-Kp-index-can-I-see-aurora.docx13-Sep-2024 01:44 20K 
[ ]At-what-Kp-index-can-I-see-aurora.pdf13-Sep-2024 01:45 168K 
[TXT]Blackout.html20-Feb-2025 16:13 359  
[TXT]Can-HF-Radio-Propagation-be-predicted.htm05-Oct-2025 06:32 5.6K 
[TXT]Compare-DR2W-propagation-tool-with-VOACAP.htm21-Aug-2024 08:32 175  
[TXT]Compare-HF-Propagation-Solar-Geomagnetic-Space-weather-indices.htm09-Sep-2024 20:48 184  
[TXT]Compare-forecasting-tools-for-HF-radio-propagation.htm21-Aug-2024 08:13 184  
[TXT]Current-Ham-Bands-Conditions.htm09-Jul-2025 11:00 379  
[TXT]Current-Ham-Radio-Conditions.htm09-Jul-2025 10:57 381  
[TXT]Forecasting-tools-for-radio-amateurs.htm20-Feb-2025 16:29 252  
[TXT]Geomagnetic-Storms.html20-Feb-2025 16:29 218  
[TXT]Global-and-Regional-HF-propagation-Conditions.htm25-Oct-2023 18:39 163  
[TXT]Global-vs-Regional-HF-propagation-Conditions.htm21-Aug-2024 08:12 178  
[TXT]Greyline-vs-Solar-terminator.htm05-Oct-2025 06:32 4.3K 
[TXT]HF-Radio-Propagation-FAQ.htm05-Oct-2025 10:19 28K 
[TXT]HF-radio-propagation-for-radio-amateurs.htm21-Aug-2024 08:26 165  
[TXT]Ham-band-condition-for-beginners.htm20-Feb-2025 16:35 382  
[TXT]How-Can-We-Forecast-HF-Propagation-Conditions.htm17-Oct-2025 13:27 11K 
[TXT]How-are-current-band-conditions.htm15-Aug-2025 08:33 386  
[TXT]How-do-I-find-out-what-bands-are-open.htm23-Sep-2025 05:55 532  
[TXT]How-do-seasons-affect-HF-radio-propagation.htm05-Oct-2025 06:32 5.3K 
[TXT]How-do-solar-flares-cause-geomagnetic-storms.htm20-Feb-2025 16:09 323  
[TXT]How-do-solar-storms-cause-geomagnetic-storms.htm20-Feb-2025 16:10 323  
[TXT]How-does-space-weather-affect-ham-radio.htm05-Oct-2025 06:32 5.9K 
[TXT]How-does-the-ionosphere-affect-HF-Radio-Propagation.htm18-Oct-2025 12:41 8.1K 
[TXT]How-to-determine-if-a-band-is-open.htm23-Sep-2025 05:55 511  
[TXT]Live-Solar-Events_Past-Solar-Activity.htm20-Feb-2025 16:26 257  
[TXT]MUF-indicators.htm20-Feb-2025 16:14 333  
[TXT]MUF-indices.htm20-Feb-2025 16:12 331  
[TXT]What-Are-Electromagnetic-Waves.htm19-Oct-2025 03:41 7.4K 
[TXT]What-Are-Radio-Waves.htm05-Oct-2025 06:32 16K 
[TXT]What-Causes-Ionospheric-Ionization.htm05-Oct-2025 06:32 6.2K 
[TXT]What-are-Band-Conditions-Banners.htm05-Oct-2025 06:32 3.9K 
[TXT]What-are-DX-clusters.htm15-Oct-2025 10:05 7.7K 
[TXT]What-are-Geomagnetic-Disturbanes.htm05-Oct-2025 06:20 5.3K 
[TXT]What-are-Geomagnetic-Storms.htm05-Oct-2025 06:18 11K 
[TXT]What-are-HF-band-conditions.htm18-Oct-2025 12:33 5.1K 
[TXT]What-are-Ham-Bands.htm17-Oct-2025 05:45 373  
[TXT]What-are-Ham-Radio-Bands.htm17-Oct-2025 05:45 375  
[TXT]What-are-Radio-Blackouts.htm05-Oct-2025 06:32 21K 
[TXT]What-are-Solar-Flares.htm05-Oct-2025 06:20 8.1K 
[TXT]What-are-Solar-Storms.htm05-Oct-2025 06:32 6.8K 
[TXT]What-are-Sprites-in-Earth-Atmosphere.htm05-Oct-2025 06:32 8.9K 
[TXT]What-are-Sunspots.htm05-Oct-2025 06:20 5.2K 
[TXT]What-are-ionospheric-clouds.htm05-Oct-2025 06:32 5.1K 
[TXT]What-are-ionospheric-conditions.htm05-Oct-2025 06:32 6.8K 
[TXT]What-are-ionospheric-storms.htm05-Oct-2025 06:32 4.1K 
[TXT]What-are-propagation-indices.htm05-Oct-2025 06:33 15K 
[TXT]What-are-the-Solar-Indices.htm05-Oct-2025 06:32 9.9K 
[TXT]What-are-the-modes-of-HF-Radio-Propagation.htm05-Oct-2025 06:32 5.3K 
[TXT]What-are-the-modes-of-Radio-Propagation.htm05-Oct-2025 06:32 6.0K 
[TXT]What-are-the-most-common-modes-of-HF-Radio-Propagation.htm20-Feb-2025 16:26 269  
[TXT]What-are-the-three-modes-of-HF-Radio-Propagation.htm10-Sep-2025 10:11 263  
[TXT]What-causes-HF-propagation.htm03-Oct-2025 10:51 4.2K 
[TXT]What-causes-geomagnetic-storms.htm05-Oct-2025 06:21 6.4K 
[TXT]What-factors-influence-HF-Radio-Propagation.htm05-Oct-2025 06:32 6.2K 
[TXT]What-is-Earth's-magnetic-field.htm20-Feb-2025 16:26 232  
[TXT]What-is-Earth-magnetic-field.htm05-Oct-2025 06:32 4.8K 
[TXT]What-is-Earth-magnetosphere.htm05-Oct-2025 06:32 9.7K 
[TXT]What-is-Geomagnetic-Activity.htm05-Oct-2025 06:32 4.5K 
[TXT]What-is-Geomagnetic-Disturbane.htm05-Oct-2025 06:21 5.8K 
[TXT]What-is-Geomagnetic-Storm.htm05-Oct-2025 06:20 7.3K 
[TXT]What-is-Greyline-propagation.htm05-Oct-2025 06:32 5.7K 
[TXT]What-is-HF-Propagation.htm05-Oct-2025 06:32 3.5K 
[TXT]What-is-HF-Radio-Propagation-Conditions.htm22-May-2025 05:18 481  
[TXT]What-is-HF-Radio-Propagation-Prediction.htm05-Oct-2025 06:32 4.1K 
[TXT]What-is-HF-Radio-Propagation.htm18-Oct-2025 12:37 5.3K 
[TXT]What-is-HF-Wave-Propagation.htm29-Sep-2025 17:48 3.2K 
[TXT]What-is-Ionization.htm05-Oct-2025 06:32 4.3K 
[TXT]What-is-LUF.htm22-May-2025 05:18 579  
[TXT]What-is-MUF-prediction.htm24-Sep-2025 15:34 5.3K 
[TXT]What-is-NVIS-Propagation.htm05-Oct-2025 06:32 16K 
[TXT]What-is-Radio-Propagation.htm24-Sep-2025 15:34 4.4K 
[TXT]What-is-Recombination.htm05-Oct-2025 06:32 4.2K 
[TXT]What-is-Sky-Wave-Propagation.htm09-Oct-2025 05:10 4.1K 
[TXT]What-is-Skywave-Propagation.htm05-Oct-2025 06:32 3.7K 
[TXT]What-is-Solar-Activity.htm17-Oct-2025 11:05 7.5K 
[TXT]What-is-Solar-Wind.htm18-Oct-2025 17:53 12K 
[TXT]What-is-Space-Weather.htm05-Oct-2025 06:32 12K 
[TXT]What-is-Total-Electron-Content.htm05-Oct-2025 06:32 6.9K 
[TXT]What-is-current-maximum-useable-frequency.htm11-Oct-2025 01:28 4.0K 
[TXT]What-is-current-minimum-useable-frequency.htm24-Sep-2025 15:34 3.5K 
[TXT]What-is-earth's-magnetosphere.htm20-Feb-2025 16:26 232  
[TXT]What-is-ham-radio-communications.htm10-Oct-2025 09:25 4.4K 
[TXT]What-is-ham-radio-propagation.htm19-Oct-2025 03:21 6.2K 
[TXT]What-is-maximum-useable-frequency.htm11-Oct-2025 01:43 229  
[TXT]What-is-plasma.htm05-Oct-2025 06:32 4.9K 
[TXT]What-is-solar-flux-index.htm05-Oct-2025 06:32 5.8K 
[TXT]What-is-the-Interplanetary-Magnetic-Field.htm05-Oct-2025 05:48 6.3K 
[TXT]What-is-the-T-Index.htm05-Oct-2025 06:33 10K 
[TXT]What-is-the-current-HF-propagation.htm05-Oct-2025 06:33 7.7K 
[TXT]What-is-the-difference-between-Global-and-Regional-HF-propgation-conditions.htm05-Oct-2025 06:32 5.5K 
[TXT]What-is-the-difference-between-earth's-magnetosphere-and-earth's-magnetic-field.htm22-May-2025 05:18 704  
[TXT]What-is-the-difference-between-earth-magnetosphere-and-earth-magnetic-field.htm05-Oct-2025 06:32 5.0K 
[TXT]What-is-the-difference-between-geomagnetic-and-ionospheric-storms.htm05-Oct-2025 06:32 5.3K 
[TXT]What-is-the-difference-between-solar-indices-propagation-indices.htm05-Oct-2025 06:32 6.3K 
[TXT]What-is-the-difference-between-solar-proton-flux-and-solar-proton-density.htm05-Oct-2025 06:32 3.7K 
[TXT]When-will-HF-band-conditions-improve.htm10-Jul-2025 13:29 383  
[TXT]Which-Ham-Band-is-open-now.htm23-Sep-2025 05:55 357  
[TXT]Which-Ham-Bands-are-open-now.htm05-Oct-2025 06:32 7.8K 
[TXT]Why-are-ham-bands-closed.htm01-Sep-2025 19:00 396  
[TXT]Why-does-space-weather-affect-ham-radio.htm20-Sep-2025 18:27 637  
[TXT]Why-is-HF-used-for-long-range-communication.htm05-Oct-2025 06:32 4.8K 
[TXT]are-shortwaves-still-used.htm05-Oct-2025 09:54 251  
[TXT]are shortwave radios still used​.htm09-Feb-2024 10:14 159  
[TXT]are shortwave radios still used​.html09-Feb-2024 10:14 159  
[TXT]hf-propagation-app.htm17-Mar-2023 13:29 145  
[TXT]hf-propagation-calculator.htm17-Mar-2023 13:49 152  
[TXT]hf-propagation-chart.htm17-Mar-2023 13:49 147  
[TXT]hf-propagation-explained.htm17-Mar-2023 13:48 151  
[TXT]hf-propagation-forecast.htm17-Mar-2023 13:48 150  
[TXT]hf-propagation-map.htm17-Mar-2023 13:47 145  
[TXT]hf-propagation-prediction-online.htm17-Mar-2023 13:47 159  
[TXT]hf-propagation-prediction-software.htm17-Mar-2023 13:32 161  
[TXT]hf-propagation-today.htm17-Mar-2023 13:32 147  
[TXT]hf-propagation-widget.htm17-Mar-2023 13:30 148  
[TXT]real-time-hf-propagation-map.htm17-Mar-2023 21:48 155  
[TXT]real-time-ionosphere-map.htm20-Feb-2025 16:26 233  
[TXT]understanding-NVIS.htm20-Feb-2025 16:26 228  
[TXT]understanding-hf-radio.htm20-Feb-2025 16:26 239