Site Map

https://www.qsl.net/4x4xm
Created: 2026, June 15
  1. Ham Radio Communications—HF Propagation
  2. HF Skywave Propagation for beginners and advanced radio amateurs
  3. 4X4XM, Doron Tal - Personal Bio
  4. 4x4XM's Sitenap — HF propagation for Radio Amateurs
  5. Search Terms for HF Radio Propagation
  6. Technical terminology related to skywave radio propagation
  7. Understanding HF Skywave Propagation
  8. HF-Propagation-Hebrew.pdf
  9. התפשטות גלי רקיע בתדר גבוה (ת"ג)-חיזוי תנאי תקשורת עבור חובבי רדיו עברית
  10. Ham Band Conditions
  11. Non-Commercial Ham Radio Websites
  12. HTML Sitemap - https://www.qsl.net/4x4xm
  13. Ham Radio Propagation Overview
  14. Ham Radio Range Guide
  15. HF Radio Propagation FAQ
  16. Forecast vs Prediction of HF Band Conditions
  17. Region vs. Layer: Earth's Atmosphere and Ionosphere
  18. HF-Propagation.pdf
  19. אטמוספירת כדור הארץ והשפעתה על התפשטות גלי רדיו - עברית
  20. הסבר על "חילה אנכית" * NVIS—Near Vertical Incidence Skywave
  21. التنبؤ بظروف الاتصال لهواة الراديو
  22. 预测无线电爱好者的通信条件 - 无线电波传播
  23. Voorspelling van communicatievoorwaarden voor radioamateurs
  24. Prévision des conditions de communication pour les radioamateurs
  25. Vorhersage der Kommunikationsbedingungen für Funkamateure
  26. रेडियो शौकीनों के लिए संचार स्थितियों का पूर्वानुमान लहर प्रसार
  27. Previsione delle condizioni di comunicazione per radioamatori
  28. アマチュア無線家の通信状況を予測する
  29. 아마추어 무선 통신 조건 예측
  30. Previsão de condições de comunicação para radioamadores
  31. Прогнозирование условий связи для радиолюбителей распространение волн
  32. Predicción de las condiciones de comunicación para radioaficionados
  33. Understanding HF Skywave Propagation
  34. References to Ham Radio Digital Modes
  35. Ham band conditions
Propagation
  1. The Ionosphere and Skywave Propagation
  2. Ham Band Propagation Conditions * Global and Regional Charts
  3. Forecast Ham Band Conditions
  4. Understanding-HF-Propagation-Review.pdf
  5. HF Propagation for Newbies
  6. Live HF propagation maps and charts
  7. Solar Flux Index Today
  8. Current Solar Events and Past Solar Activity
  9. Useful charts show HF propagation today
  10. HF Propagation App
  11. HF Propagation Tools
  12. Point-to-Point HF radio communication planner
  13. HF Propagation Calculator
  14. Forecasting tools for HF radio propagation
  15. HF Radio Propagation Tutorial
  16. HF propagation for beginners and advanced hams
  17. Ham Radio Propagation: Solar Conditions
  18. Guide to HF Propagation Using Solar and Geomagnetic Indices
  19. Understanding LUF and MUF: Why are the ham bands closed?
  20. Index of /4/4x4xm//Propagation
  21. HF Propagation Forecast
  22. Current Ham Bands Conditions
  23. Current ham radio conditions
  24. HF propagation prediction tools
  25. HF Propagation Forecast Bulletin
  26. Real-time MUF Map
  27. Solar Conditions & Ham Radio Propagation
  28. HF Propagation status and alerts
  29. HF Propagation Explained
  30. Current Ham Radio Propagation Conditions
  31. HF Propagation Forecasting
  32. Current shortwave propagation conditions
  33. A comparison between Radio and Light propagation phenomena
  34. An Introduction to HF Propagation
  35. Amateur Radio Propagation Today
  36. Band Conditions
  37. Current Ham Band Conditions Explained
  38. Current Ham Band Propagation
  39. Current Ham Band Propagation
  40. Current Ham Bands Conditions
  41. Current Ham Radio Condition—Charts
  42. Current Ham Radio Propagation—Chart
  43. Current HF Propagation Conditions
  44. Current HF propagation map
  45. Current propagation
  46. DX band conditions
  47. DX conditions today
  48. DX ham band conditions
  49. DX Propagation Online Map
  50. Real-time DX Reports * HF Propagation Prediction
  51. DX radio propagation
  52. DX radio propagation explained
  53. Forecast Shortwave Propagation Conditions
  54. Ham band conditions
  55. Ham band map
  56. Ham Condition Chart
  57. Ham radio conditions
  58. Ham radio condition map
  59. Ham Radio HF Propagation real-time map
  60. Ham radio propagation
  61. Ham Radio Propagation Forecast
  62. Ham radio propagation map
  63. Ham Radio Propagation Now
  64. Ham radio secrets
  65. Ham Radio YouTube Channels skywave propagation
  66. Ham solar conditions
  67. Radio Amateurs HF Bands Charactaristics
  68. HF bands open now
  69. HF Radio Propagation Chart
  70. HF Propagation Condition Map
  71. HF Propagation Expert
  72. HF propagation for beginners
  73. HF Propagation for Newbees
  74. HF propagation for radio hams
  75. HF Propagation Modes
  76. HF Propagation Online Reports
  77. HF Propagation Overview
  78. HF Propagation Prediction
  79. HF Propagation Prediction Tools Online
  80. HF Propagation Prediction Software
  81. HF Propagation Widget
  82. HF Radio Propagation
  83. Reports, Indices and Scales for HF Radio Propagation
  84. Understanding Skywave Propagation
  85. HF Radio Propagation Today
  86. Indicators of HF propagation and space weather
  87. Line of sight propagation
  88. Local-HF-Conditions-Matter-More-Than-Global-Space-Weather-Charts.pdf
  89. Mystery in wave propagation conditions
  90. NET vs. IRI ionospheric models
  91. Propagation conditions
  92. Propagation forecast
  93. HF Propagation Indices
  94. Propagation of high frequency radio waves | The rebirth of HF
  95. The Rebirth of Shortwave Radio Communication
  96. Propagation report
  97. Radio Communication and the Ionosphere
  98. Radio Communication Circuit
  99. Radio Wave Propagation Guide
  100. Radio Wave Propagation Forecasting
  101. Real-time HF Propagation Reports
  102. Current Ham Bands Conditions—Charts
  103. Radio Wave Propagation Today
  104. Real-time HF Propagation Charts
  105. Real-time Space Weather Reports (SolarWx)
  106. Shortwave Propagation
  107. Skywave concept
  108. Skywave Propagation Guide
  109. Skywave Propagation for Radio Amateurs
  110. Skywave Propagation Today
  111. Solar Activity & Ham Radio Propagation
  112. Solar cycle ham radio
  113. Solar propagation
  114. Solar storms affect ham radio
  115. Space wave propagation
  116. Space Weather Nowcast by Serge Y. Stroobandt, ON4AA
  117. Space Weather Predictions
  118. The History of HF Propagation Models
  119. The mystery of HF propagation
  120. Radio Amateur: Radio Operation Planning Tools
  121. Types of radio wave propagation
  122. Understanding Critical Frequency (CF) vs. MUF
  123. Understanding HF Conditions Banners
  124. understanding-hf-radio.htm
  125. Understanding HF Radio Propagation
  126. Weather influence on HF radio propagation
  127. Real-time DX Reports * Forecasting HF Propagation
  128. DX Propagation Map
  129. HF Propagation Live Map
  130. HF propagation map
  131. HF propagation Online Map
  132. What is LUF Propagation Map?
  133. Real-time MUF Propagation Map
  134. MUF propagation Online Map
  135. How to read propagation charts?
  136. Current Ham Radio Condition Charts
  137. Forecast HF propagation
  138. HF radio propagation for radio amateurs
  139. DX Propagation Online Map
  140. Shortwave Radio Propagation Today
  141. Current HF Propagation Conditions
  142. Importance of HF Frequency Management
  143. HF propagation conditions global versus regional
  144. Ground-wave-range.pdf
  145. Beginners' guide to radio propagation
  146. Amateur Radio Band Conditions
  147. Ham Band Conditions
  148. Compare DR2W propagation tool with VOACAP
  149. Current Ham Radio Propagation
  150. DX conditions now
  151. DX conditions
  152. Forecast HF propagation
  153. Geomagnetic Storms
  154. Global vs Regional HF propagation Conditions
  155. Ground-wave-range.docx
  156. HF Radio Propagation Basics
  157. HF radio propagation index
  158. Ham radio propagation charts
  159. Ham Radio Propagation Overview
  160. Ham band charts
  161. Ham band condition for beginners
  162. Ham conditions
  163. Ham propagation
  164. Ham radio QSO planner
  165. Ham-radio-propagation-forecast.htm
  166. MUF indictors
  167. MUF indices
  168. Maximum useable frequency
  169. Blackout of HF communication
  170. Propagation conditions for DX
  171. Radio Amateurs Band Conditions
  172. Radio Amateurs HF Tutorials
  173. Radio Frequency Propagation for Ham Radio
  174. Radio Propagation Forecasting
  175. Radio Frequency Propagation for Ham Radio
  176. Solar Flux Index
  177. Understanding-HF-Propagation-Review.docx
  178. Understanding radio propagation
  179. Using beacons for tracking HF propagation
  180. What are the most common modes of HF Radio Propagation
  181. What are the three modes of HF Radio Propagation
  182. Why are ham bands closed?
  183. hf-propagation-app.htm
  184. hf-propagation-calculator.htm
  185. hf-propagation-chart.htm
  186. hf-propagation-explained.htm
  187. hf-propagation-forecast.htm
  188. hf-propagation-map.htm
  189. hf-propagation-prediction-online.htm
  190. hf-propagation-prediction-software.htm
  191. hf-propagation-today.htm
  192. hf-propagation-widget.htm
  193. real-time-hf-propagation-map.htm
  194. real-time-ionosphere-map.htm
  195. understanding-NVIS.htm
  196. Local-HF-Conditions-Matter-More-Than-Global-Space-Weather-Charts
Propagation
  1. Blackout of HF communication
  2. Blackout of HF communication
Shortcast
  1. The Fascinating World of HF Skywave Propagation
  2. Index of /4/4x4xm//Shortcast
  3. HF-skywave-propagation-for-amateur-radio-script.txt
  4. HF propagation podcasts / shortcasts
FAQ
  1. What are ham band conditions?
  2. Global-vs-Regional-HF-propagation-Conditions.htm
  3. What is Ham Radio Communications?
  4. What is HF Propagation?
  5. What are DX clusters? What are DX spots?
  6. What are the Solar Indices?
  7. What is Gray line propagation?
  8. What is NVIS? » Real-time NVIS Propagation Map
  9. How do the seasons affect HF radio propagation?
  10. What is plasma?
  11. What is Solar Wind?
  12. What is the T Index?
  13. What are ionospheric conditions?
  14. What is ionization, in the context of HF radio wave propagation?
  15. What Are Radio Waves?
  16. How does space weather affect ham radio?
  17. Compare-DR2W-propagation-tool-with-VOACAP.htm
  18. Forecasting tools for radio amateurs
  19. HF-radio-propagation-for-radio-amateurs.htm
  20. Index of /4/4x4xm//FAQ
  21. At-what-Kp-index-can-I-see-aurora.pdf
  22. Can HF Radio Propagation be predicted?
  23. How are current band conditions?
  24. How Can We Forecast HF Propagation Conditions?
  25. How do I find out what bands are open now?
  26. How do radio waves propagate?
  27. Solar storms
  28. How does the ionosphere affect HF Radio Propagation?
  29. How to determine if a band is open?
  30. What are Band Conditions Banners?
  31. What Are Electromagnetic Waves?
  32. What are Geomagnetic Disturbances?
  33. What are Geomagnetic Storms?
  34. HF Radio Propagation Conditions
  35. What are ionospheric clouds?
  36. What are ionospheric storms?
  37. What are propagation indices?
  38. What are Radio Blackouts?
  39. What are Solar Flares?
  40. What are Solar Storms?
  41. What are Sprites in Earth's atmosphere?
  42. What are Sunspots?
  43. Compare-forecasting-tools-for-HF-radio-propagation.htm
  44. What are the modes of HF Radio Propagation?
  45. What are the modes of Radio Propagation?
  46. What causes geomagnetic storms?
  47. What causes HF propagation?
  48. What causes ionospheric ionization?
  49. What factors influence HF Radio Propagation?
  50. What is Geomagnetic Activity?
  51. What is a Geomagnetic Disturbance?
  52. What is a geomagnetic storm?
  53. What is Earth's Magnetosphere?
  54. What is Ham Radio Communications?
  55. What is Ham Radio Propagation?
  56. What is HF Radio Propagation?
  57. What is HF Radio Propagation Prediction?
  58. What is HF Wave Propagation?
  59. What is LUF?
  60. What is MUF? How to predict MUF?
  61. What is radio?
  62. What is Radio Propagation?
  63. What Is Radio Spectrum?
  64. What is Sky Wave Propagation?
  65. What is Skywave/Skip Propagation?
  66. What is Solar Activity?
  67. What is the solar flux index?
  68. What is Space Weather?
  69. What is the Minimum Usable Frequency?
  70. What is the Current Maximum Usable Frequency (MUF)?
  71. What are the current HF propagation condition?
  72. What is the difference between geomagnetic and ionospheric storms?
  73. Global and Regional HF propgation conditions
  74. What is the difference between solar indices and propagation indices?
  75. What is the difference between solar proton flux and solar proton density?
  76. What is the difference between the Greyline and the Solar Terminator?
  77. What is the difference between The Magnetosphere and Earth's magnetic field?
  78. What is the Interplanetary Magnetic Field?
  79. What is The Magnetic Field Of Earth?
  80. What is Total Electron Content?
  81. When will HF band conditions improve?
  82. Which Ham Band is Open Now
  83. Which ham band is open now?
  84. Why are ham bands closed?
  85. Why is geomagnetic activity important for ham radio?
  86. Why is HF used for long range communication?
  87. Why does space weather important for ham radio?
  88. HF Radio Propagation FAQ
  89. What are HF band conditions?
  90. understanding HF radio propagation
  91. At-what-Kp-index-can-I-see-aurora.docx
  92. Blackout of HF communication
  93. Compare-HF-Propagation-Solar-Geomagnetic-Space-weather-indices.htm
  94. Current Ham Bands Conditions
  95. Current Ham Radio Propagation
  96. Geomagnetic Storms
  97. Global-and-Regional-HF-propagation-Conditions.htm
  98. Ham band condition for beginners
  99. Solar storms
  100. Live Solar Events of Past Solar Activity
  101. MUF indictors
  102. MUF indices
  103. What are Ham Bands?
  104. What are Ham Radio Bands?
  105. What are the most common modes of HF Radio Propagation
  106. What are the three modes of HF Radio Propagation
  107. What is Earth's magnetic field?
  108. What is Recombination in Skywave Radio Propagation?
  109. What is the Current Minimum Usable Frequency?
  110. What is Earth's magnetosphere?
  111. What is Maximum Useable Frequency?
  112. What is radio?
  113. What is the difference between The Magnetosphere and Earth's magnetic field?
  114. Are shortwave radios still used?
  115. hf-propagation-app.htm
  116. hf-propagation-calculator.htm
  117. hf-propagation-chart.htm
  118. hf-propagation-explained.htm
  119. hf-propagation-forecast.htm
  120. hf-propagation-map.htm
  121. hf-propagation-prediction-online.htm
  122. hf-propagation-prediction-software.htm
  123. hf-propagation-today.htm
  124. hf-propagation-widget.htm
  125. real-time-hf-propagation-map.htm
  126. Real-Time ionosphere map
  127. Understading NVIS Propagation
Solar
  1. The 25th Solar Cycle
  2. Index of /4/4x4xm//Solar
  3. Deep thoughts on sunspots
  4. Deep-thoughts-on-sunspots.pdf
26-8-2025-Event
  1. Index of /4/4x4xm//Solar/26-8-2025-Event
Solar-Cycle
  1. Index of /4/4x4xm//Solar/Solar-Cycle
  2. Heliophysics-Solar-Cycle-review-and-prediction.txt
  3. SOLAR-Dynamo.txt
  4. Solar Maxima Explained
  5. Solar Minima Explained
  6. Solar-Storms-Generation-and-Patterns.txt
  7. The 25th Solar Cycle Reaches Peak
  8. Heliophysics-Solar-Cycle-review-and-prediction.txt.txt
Solar-Data
  1. Index of /4/4x4xm//Solar/Solar-Data
  2. Indices-for-Ionospheric-Propagation-2022-2025-by-Bonnici.docx
  3. Interpreting-Solar-Data-KC0OIO-Joseph-Heitzinger-23-slides.pdf
Solar-Eclipse-8-April-2024
  1. Index of /4/4x4xm//Solar/Solar-Eclipse-8-April-2024
Solar-Flare-CME
  1. Index of /4/4x4xm//Solar/Solar-Flare-CME
  2. Standard-model-of-solar-flares.txt
Solar-illustrations
  1. Index of /4/4x4xm//Solar/Solar-illustrations
Sunspot-Number-Progression
  1. Index of /4/4x4xm//Solar/Sunspot-Number-Progression
Demographics
  1. How-Many-Radio-Amateurs.pdf
  2. Amateur Radio Operators by Country 2026
  3. Index of /4/4x4xm//Demographics
  4. Links-to-Worldwide-ham-radio-operators-2000-2025.htm
ChatGPT
  1. ChatGPT learns about forecasting tools for radio amateurs
  2. Index of /4/4x4xm//ChatGPT
  3. ChatGPT "failure" helped a Radio Amateur
  4. ChatGPT suggested updates for this website 15-April-2023
  5. ChatGPT response: webpage fixed
  6. ChatGPT-review-on-20-July-2025-HF-Propagation.pdf
  7. ChatGPT-review-on-25-July-2025-HF-Propagation.pdf
  8. ChatGPT-review-on-28-July-2025-HF-Propagation.pdf
  9. ChatGPT-review-on-20-July-2025-HF-Propagation.docx
  10. ChatGPT-review-on-25-July-2025-HF-Propagation.docx
  11. ChatGPT-review-on-28-July-2025-HF-Propagation.docx
  12. ChatGPT Compares forecasting tools for radio amateurs
  13. SUMMARY-Ionopheric-Layers-and-Solar-Activity-2024-6-14.txt
  14. ChatGPT-on-20-7-2025.txt
  15. ChatGPT-review-8-June-2024.txt
Ham-Bands
  1. HF bands allocations for radio amateurs and their features
  2. Index of /4/4x4xm//Ham-Bands
  3. IARU-R1-HF-bandplan-(2019).pdf
  4. Israel-Amateur-Radio-Frequencies-HF-29-9-2024.pdf
  5. RSGB-Band-Plan-13-6-2025.pdf
  6. US-Amateur-Radio-Bands-2-8-2024.pdf
  7. Israel-Amateur-Radio-Frequencies-HF-16-9-2025.pdf
Books-and-Articles
  1. Index of /4/4x4xm//Books-and-Articles
  2. A-Beginners-Guide-To-Radio-Propagation-Karl-T-Thurber-W8FX-1998.pdf
  3. A-Primer-on-Space-Weather.pdf
  4. A-Simplified-Model-for-HF-Radio-Wave-Propagation-for-Middle-East-Region(2014).pdf
  5. Australian-Space-Weather-Alert-System-2024.pdf
  6. Basic-Wave-Propagation-Nor-Hadzfizah-Binti-Mohd-Radi-2017.pdf
  7. Comparing-Ionospheric-MUF-using-IRI16-Model-with-Mid-Latitude-2020.pdf
  8. Correlation-Between-The-Sunspot-Numbers-and-Geomagnetic-Parameters-for-The-Solar-Cycle-24.pdf
  9. Correlation-analysis-of-Solar-activity-and-Cosmic-ray-J_Phys_Conf-2017.pdf
  10. Correlation-of-Sunspot-Numbers-and-Geomagnetic-Indices-with-Various-Climate-Change-Parameters-2024.pdf
  11. Critique-of-IONCAP's-Reliability-and-Service-Probability-Calculations-1993.pdf
  12. Detection-and-Localization-of-F-layer-Ionospheric-Irregularities-2022.pdf
  13. Equatorial-Spread-F_Ionospheric-dynamics-1962.pdf
  14. Geomagnetic-storm-and-equatorial-spread-F-2004.pdf
  15. NM7M_HF_Propagation_tutorial.pdf
  16. HF-Comms-An-Introductory-Overview-Bill-Foose-Harris-Intersil-2012-04-13.pdf
  17. HF-Propagation-2-Prof-Pinhasi.pdf
  18. HamSCI_Space-Weather-Operational-Resources-and-Needs-of-the-Amateur-Radio-Community-2020.pdf
  19. Intro-to-HF-Propagation-Part-1-Rick-Fletcher-W7YP-2025-9-16.pdf
  20. Introduction-to-HF-Radio-Propagation-Australian-Gov-2002.pdf
  21. Introduction-to-HF-Radio-Propagation-Australian-Gov-2007.pdf
  22. Introduction-to-Ionospheric-Modeling-Bruno-Nava-Presentation(2020).pdf
  23. Ionospheric-Propagation-Prof-Sean-Victor-Hum-2018.pdf
  24. Ionospheric-Radio-Propagation-Kenneth-Davies-1965.pdf
  25. John-Ashworth-Aatcliffe-12-December-1902-25-October-1987.pdf
  26. Modeling-the-Topside-Ionosphere-Observations-by-Satellites-2003.pdf
  27. NOAA’s-Space-Based-Space-Weather-Observations(2023).pdf
  28. NVIS-Stephen-C-Finch-AI0W-2008.pdf
  29. Noji-Article-Band-Conditions-Banner-2018-12-05.pdf
  30. Propagation-Modes-Ken-Larson-KJ6RZ-2024.pdf
  31. Propagation_and_RadioScience-KL7AJ-ARRL-2005.pdf
  32. Radio-Wave-Propagation-part-1-Introduction-Marcel-H-De-Canck-ON5AU-2002.pdf
  33. Radio-Waves-and-the-Ionosphere-G3YWX-QST-1999.pdf
  34. Rebirth-of-HF-presentation-Denisowski-Paul-R&S-2020-5-14.pdf
  35. Sky-Wave-Propagation-unknown-author-ch4-2010.pdf
  36. Skywave-Radio-Intro-Kenneth-N-Larson-KJ6RZ-2025-7-11.pdf
  37. Solar-UV-and-X-ray-spectral-diagnostics-2018.pdf
  38. Space-weather-effects-on-communications-systems-June-2020.pdf
  39. Stanley-article-of-the-month-QST-June-2021.pdf
  40. Suggested-Correlation-Formula-between-High-Possible-Frequency-(HPF)-and-Optimum-Maximum-Usable-Frequency-(OPMUF)-over-Middle-East(2012).pdf
  41. The-Big-Gun`s-Guide-to-Low-Band-Propagation-A-book-by-NM7M-2002.pdf
  42. The-Little-Pistol's-Guide-to-HF-Propagation_Robert-R-Brown_Worldradio-Books_1996.pdf
  43. The-new-dxers-handbook-third-edition-KL7UA-2021.pdf
  44. Understanding-LF-and-HF-propagation-G0KYA-G3NYK-RSGB-2010.pdf
  45. Understanding-Propagation-Paul-L-Herrman-N0NBH-11-July-2010.pdf
  46. Understanding-Propagation-WB5ANN.pdf
  47. Understanding-Solar-Indices-Ian-Poole-G3YWX-QST-September-2002.pdf
  48. Propogation_and_RadioScience-KL7AJ-ARRL-2005.pdf
  49. The-Big-Gun%60s-Guide-to-Low-Band-Propagation-A-book-by-NM7M-2002.pdf
  50. Discover-the-Magic-of-HF-Radio-Norm-Fusaro-W3IZ(2005).pdf
  51. Field-Antenna-Handbook-MCRP-6-22D-1999.pdf
  52. NOAA-Space-Based-Space-Weather-Observations(2023).pdf
  53. Regional-and-Long-Distance-Ken-Larson-KJ6RZ-2010.pdf
  54. The-Mysteries-of-HF-Radio-Statewide-Nets-D-Layer-Gordon-Gibby-KX4Z(2020).pdf
Hebrew
  1. -של-חובב-רדיו-מתחיל-בנושא-התפשטות-גלים-קצרים-בתדר-גבוה.pdf
HAARP
  1. Index of /4/4x4xm//HAARP
  2. Benefits of the HAARP Project for Radio Hams
  3. HAARP-Hebrew.txt
  4. HAARP-Research-Program-oriented-for-radio-amateurs.txt
  5. HAARP.txt
Language
  1. Index of /4/4x4xm//Language
  2. 50-languages.txt
  3. Persian.txt
  4. Persian-LONG.txt
  5. Add-update-languages.txt
  6. アマチュア無線家の通信状況を予測する
  7. Finnish-Suomalainen.txt
  8. Hebrew-text.txt
  9. Indonesian-Malai.txt
  10. Indonesian.txt
  11. Italian-Comprendere-la-propagazione-HF.txt
  12. Language-Thai.htm
  13. Perisan-long.txt
  14. Predicción de las condiciones de comunicación para radioaficionados
  15. Previsão de condições de comunicação para radioamadores
  16. Prévision des conditions de communication pour les radioamateurs
  17. Previsione delle condizioni di comunicazione per radioamatori
  18. Прогнозирование условий связи для радиолюбителей распространение волн
  19. Voorspelling van communicatievoorwaarden voor radioamateurs
  20. Vorhersage der Kommunikationsbedingungen für Funkamateure
  21. 预测无线电爱好者的通信条件 - 无线电波传播
  22. التنبؤ بظروف الاتصال لهواة الراديو
  23. 아마추어 무선 통신 조건 예측
  24. रेडियो शौकीनों के लिए तरंग प्रसार भविष्यवाणी हेतु संचार स्थितियाँ
HF-Bands
  1. HF bands allocations for radio amateurs and their features
  2. RSGB-Band-Plan-13-6-2025.pdf
  3. Israel-Amateur-Radio-Frequencies-HF-16-9-2025.pdf
  4. US-Amateur-Radio-Bands-2-8-2024.pdf

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