Index of /4/4x4xm//FAQ

[ICO]NameLast modifiedSizeDescription
[DIR]Parent Directory  -  
[ ]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.htm06-Nov-2025 14:03 5.5K 
[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.htm25-Oct-2025 10:36 268  
[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.htm06-Nov-2025 14:06 4.3K 
[TXT]HF-Radio-Propagation-FAQ.htm22-Oct-2025 13:07 28K 
[TXT]HF-radio-propagation-for-radio-amateurs.htm21-Aug-2024 08:26 165  
[TXT]Ham-band-condition-for-beginners.htm25-Oct-2025 10:36 398  
[TXT]How-Can-We-Forecast-HF-Propagation-Conditions.htm06-Nov-2025 14:10 11K 
[TXT]How-are-current-band-conditions.htm25-Oct-2025 10:36 402  
[TXT]How-do-I-find-out-what-bands-are-open.htm25-Oct-2025 10:35 548  
[TXT]How-do-seasons-affect-HF-radio-propagation.htm06-Nov-2025 14:10 6.5K 
[TXT]How-do-solar-flares-cause-geomagnetic-storms.htm25-Oct-2025 10:34 339  
[TXT]How-do-solar-storms-cause-geomagnetic-storms.htm25-Oct-2025 10:36 339  
[TXT]How-does-space-weather-affect-ham-radio.htm06-Nov-2025 14:04 5.9K 
[TXT]How-does-the-ionosphere-affect-HF-Radio-Propagation.htm06-Nov-2025 14:09 8.3K 
[TXT]How-to-determine-if-a-band-is-open.htm25-Oct-2025 10:35 527  
[TXT]Live-Solar-Events_Past-Solar-Activity.htm25-Oct-2025 10:36 273  
[TXT]MUF-indicators.htm25-Oct-2025 10:36 349  
[TXT]MUF-indices.htm25-Oct-2025 10:36 347  
[TXT]What-Are-Electromagnetic-Waves.htm06-Nov-2025 14:06 7.4K 
[TXT]What-Are-Radio-Waves.htm06-Nov-2025 14:08 18K 
[TXT]What-Causes-Ionospheric-Ionization.htm06-Nov-2025 14:04 6.0K 
[TXT]What-Is-Radio-Spectrum.htm06-Nov-2025 14:08 18K 
[TXT]What-are-Band-Conditions-Banners.htm06-Nov-2025 14:05 3.9K 
[TXT]What-are-DX-clusters.htm06-Nov-2025 14:07 7.6K 
[TXT]What-are-Geomagnetic-Disturbanes.htm06-Nov-2025 14:12 5.3K 
[TXT]What-are-Geomagnetic-Storms.htm06-Nov-2025 14:11 11K 
[TXT]What-are-HF-band-conditions.htm06-Nov-2025 14:08 5.1K 
[TXT]What-are-Ham-Bands.htm25-Oct-2025 10:34 389  
[TXT]What-are-Ham-Radio-Bands.htm25-Oct-2025 10:34 391  
[TXT]What-are-Radio-Blackouts.htm06-Nov-2025 15:15 22K 
[TXT]What-are-Solar-Flares.htm06-Nov-2025 14:09 8.0K 
[TXT]What-are-Solar-Storms.htm06-Nov-2025 14:21 6.8K 
[TXT]What-are-Sprites-in-Earth-Atmosphere.htm06-Nov-2025 14:07 8.9K 
[TXT]What-are-Sunspots.htm06-Nov-2025 14:11 5.1K 
[TXT]What-are-ionospheric-clouds.htm06-Nov-2025 14:07 5.1K 
[TXT]What-are-ionospheric-conditions.htm06-Nov-2025 14:09 6.9K 
[TXT]What-are-ionospheric-storms.htm06-Nov-2025 14:07 4.1K 
[TXT]What-are-propagation-indices.htm06-Nov-2025 14:10 15K 
[TXT]What-are-the-Solar-Indices.htm06-Nov-2025 14:07 9.8K 
[TXT]What-are-the-modes-of-HF-Radio-Propagation.htm06-Nov-2025 14:07 6.0K 
[TXT]What-are-the-modes-of-Radio-Propagation.htm06-Nov-2025 14:07 6.5K 
[TXT]What-are-the-most-common-modes-of-HF-Radio-Propagation.htm25-Oct-2025 10:36 285  
[TXT]What-are-the-three-modes-of-HF-Radio-Propagation.htm25-Oct-2025 10:36 279  
[TXT]What-causes-HF-propagation.htm06-Nov-2025 14:11 4.2K 
[TXT]What-causes-geomagnetic-storms.htm06-Nov-2025 14:11 6.3K 
[TXT]What-factors-influence-HF-Radio-Propagation.htm06-Nov-2025 14:09 6.7K 
[TXT]What-is-Earth's-magnetic-field.htm25-Oct-2025 10:36 248  
[TXT]What-is-Earth-magnetic-field.htm06-Nov-2025 14:05 4.8K 
[TXT]What-is-Earth-magnetosphere.htm06-Nov-2025 14:11 9.6K 
[TXT]What-is-Geomagnetic-Activity.htm06-Nov-2025 14:11 4.4K 
[TXT]What-is-Geomagnetic-Disturbane.htm06-Nov-2025 14:11 5.7K 
[TXT]What-is-Geomagnetic-Storm.htm06-Nov-2025 14:03 7.3K 
[TXT]What-is-Greyline-propagation.htm06-Nov-2025 14:03 5.7K 
[TXT]What-is-HF-Propagation.htm06-Nov-2025 14:04 3.5K 
[TXT]What-is-HF-Radio-Propagation-Conditions.htm25-Oct-2025 10:36 497  
[TXT]What-is-HF-Radio-Propagation-Prediction.htm06-Nov-2025 14:04 4.1K 
[TXT]What-is-HF-Radio-Propagation.htm06-Nov-2025 14:07 5.3K 
[TXT]What-is-HF-Wave-Propagation.htm25-Oct-2025 10:35 3.2K 
[TXT]What-is-Ionization.htm06-Nov-2025 14:06 4.2K 
[TXT]What-is-LUF.htm25-Oct-2025 10:36 595  
[TXT]What-is-MUF-prediction.htm06-Nov-2025 14:08 5.3K 
[TXT]What-is-NVIS-Propagation.htm06-Nov-2025 14:10 17K 
[TXT]What-is-Radio-Propagation.htm06-Nov-2025 14:06 5.1K 
[TXT]What-is-Recombination.htm06-Nov-2025 14:04 4.2K 
[TXT]What-is-Sky-Wave-Propagation.htm06-Nov-2025 14:07 4.1K 
[TXT]What-is-Skywave-Propagation.htm06-Nov-2025 14:08 3.7K 
[TXT]What-is-Solar-Activity.htm06-Nov-2025 14:08 7.5K 
[TXT]What-is-Solar-Wind.htm06-Nov-2025 14:08 12K 
[TXT]What-is-Space-Weather.htm06-Nov-2025 14:10 12K 
[TXT]What-is-Total-Electron-Content.htm06-Nov-2025 14:11 6.8K 
[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.htm25-Oct-2025 10:36 248  
[TXT]What-is-ham-radio-communications.htm06-Nov-2025 14:09 5.7K 
[TXT]What-is-ham-radio-propagation.htm06-Nov-2025 14:08 6.2K 
[TXT]What-is-maximum-useable-frequency.htm25-Oct-2025 10:34 563  
[TXT]What-is-plasma.htm06-Nov-2025 14:05 4.9K 
[TXT]What-is-radio.htm25-Oct-2025 10:34 445  
[TXT]What-is-solar-flux-index.htm06-Nov-2025 14:11 5.8K 
[TXT]What-is-the-Interplanetary-Magnetic-Field.htm06-Nov-2025 14:11 6.2K 
[TXT]What-is-the-T-Index.htm06-Nov-2025 14:07 10K 
[TXT]What-is-the-current-HF-propagation.htm06-Nov-2025 14:09 7.5K 
[TXT]What-is-the-difference-between-Global-and-Regional-HF-propgation-conditions.htm06-Nov-2025 14:03 5.5K 
[TXT]What-is-the-difference-between-earth's-magnetosphere-and-earth's-magnetic-field.htm25-Oct-2025 10:36 720  
[TXT]What-is-the-difference-between-earth-magnetosphere-and-earth-magnetic-field.htm06-Nov-2025 14:03 5.0K 
[TXT]What-is-the-difference-between-geomagnetic-and-ionospheric-storms.htm06-Nov-2025 14:11 5.3K 
[TXT]What-is-the-difference-between-solar-indices-propagation-indices.htm06-Nov-2025 14:03 6.3K 
[TXT]What-is-the-difference-between-solar-proton-flux-and-solar-proton-density.htm06-Nov-2025 14:11 3.7K 
[TXT]When-will-HF-band-conditions-improve.htm25-Oct-2025 10:36 399  
[TXT]Which-Ham-Band-is-open-now.htm23-Sep-2025 05:55 357  
[TXT]Which-Ham-Bands-are-open-now.htm06-Nov-2025 14:08 7.9K 
[TXT]Why-are-ham-bands-closed.htm25-Oct-2025 10:36 412  
[TXT]Why-does-space-weather-affect-ham-radio.htm25-Oct-2025 10:36 653  
[TXT]Why-is-HF-used-for-long-range-communication.htm06-Nov-2025 14:11 4.7K 
[TXT]are-shortwaves-still-used.htm25-Oct-2025 10:34 267  
[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.htm25-Oct-2025 10:36 249  
[TXT]understanding-NVIS.htm25-Oct-2025 10:36 244  
[TXT]understanding-hf-radio.htm25-Oct-2025 10:36 255