QTH: Karmiel Israel KM72PW
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The Fascinating World of HF Skywave Propagation

This evolving website leverages AI tools to explore HF skywave propagation. It enhances amateur radio activities using tutorials on indices, diagrams, charts, online reports, nowcast conditions, and banners and includes a table of contents, shortcasts , references, a glossary, a sitemap, and search capabilities. Click on the following link:

 Understanding HF Skywave Propagation 
All-in-One HF Propagation Resource

Understanding wave propagation requires imagination and knowledge because it is an invisible force that cannot be sensed by touch or seen with the eyes.
This project seeks to refresh wave propagation principles with visuals and a step-by-step progression from basic to more complex ones, offering technical details essential for radio amateurs.

Overview for Radio Hams
How do radio skywaves travel through the ionosphere?

Radio Propagation Forecast

Practical Approach   |   Theory-based Tutorial

Global vs Regional
HF Propagation Conditions

How propagation conditions are affected by
Space Weather | Solar Activity | Ionosphere

Revised after the May 2024 blackout events.

A Conclusive Summary
A brief review


Hebrew: חובבי רדיו - התפשטות גלים - חיזוי תנאי תקשורת

   
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How do skywaves travel through the ionosphere?
Listen to this question in different languages:

A multilingual presentaion recording

  1. Cantonese (Chinese):
    無線電天波點樣穿過電離層?
  2. Chinese (simplified):
    无线电天波如何穿过电离层?
  3. Chinese (traditional):
    無線電天波如何穿過電離層?
  4. Hakka (Chinese):
    Zeitindah radio van thlichia hna cu ionosphere chungin an kal?
  5. Bengali:
    কিভাবে রেডিও আকাশ তরঙ্গ আয়নোস্ফিয়ারের মধ্য দিয়ে ভ্রমণ করে?
  6. Gujarati:
    રેડિયો આકાશી તરંગો આયનોસ્ફિયરમાંથી કેવી રીતે પસાર થાય છે?
  7. Hindi:
    रेडियो आकाश तरंगें आयनमंडल से होकर कैसे गुजरती हैं?
  8. Marathi:
    आयनोस्फीअरमधून रेडिओ आकाश लहरी कशा प्रवास करतात?
  9. Malayalam:
    റേഡിയോ ആകാശ തരംഗങ്ങൾ അയണോസ്ഫിയറിലൂടെ എങ്ങനെയാണ് സഞ്ചരിക്കുന്നത്?
  10. Odia (Oriya):
    ଆୟନୋସ୍ଫିୟର ଦେଇ ରେଡିଓ ଆକାଶ ତରଙ୍ଗ କିପରି ଯାତ୍ରା କରେ?
  11. Punjabi (Gurmukhi):
    ਰੇਡੀਓ ਅਸਮਾਨ ਤਰੰਗਾਂ ਆਇਨੋਸਫੀਅਰ ਵਿੱਚੋਂ ਕਿਵੇਂ ਯਾਤਰਾ ਕਰਦੀਆਂ ਹਨ?
  12. Tamil:
    ரேடியோ வான அலைகள் அயனோஸ்பியர் வழியாக எவ்வாறு பயணிக்கின்றன?
  13. Telugu:
    రేడియో స్కై తరంగాలు అయానోస్పియర్ గుండా ఎలా ప్రయాణిస్తాయి?
  14. Thai:
    คลื่นวิทยุเดินทางผ่านชั้นบรรยากาศไอโอโนสเฟียร์ได้อย่างไร?
  15. Czech:
    Jak se rádiové vlny šíří ionosférou?
  16. Polish:
    W jaki sposób fale radiowe przemieszczają się przez jonosferę?
  17. Dutch:
    Hoe reizen radiogolven door de ionosfeer?
  18. English:
    How do radio skywaves travel through the ionosphere?
  19. Basque:
    Nola ibiltzen dira irrati-zeruko uhinek ionosferan zehar?
  20. French:
    Comment les ondes radio du ciel voyagent-elles dans l’ionosphère ?
  21. Galician:
    Como viaxan as ondas do ceo de radio pola ionosfera?
  22. Italian:
    Come viaggiano le onde radio celesti attraverso la ionosfera?
  23. Spanish:
    ¿Cómo viajan las ondas de radio a través de la ionosfera?
  24. Portuguese (Brazil):
    Como as ondas de rádio do céu viajam pela ionosfera?
  25. Portuguese (Portugal):
    Como é que as ondas de rádio do céu viajam pela ionosfera?
  26. Irish:
    Conas a thaistealaíonn tonnta raidió tríd an ianaisféar?
  27. Finish:
    Kuinka radiotaivaan aallot kulkevat ionosfäärin läpi?
  28. Norwegian:
    Hvordan beveger radiohimmelbølger seg gjennom ionosfæren?
  29. Swedish:
    Hur rör sig radiohimmelvågor genom jonosfären?
  30. Estonian:
    Kuidas levivad raadiotaevalained läbi ionosfääri?
  31. Lithuanian:
    Kaip radijo dangaus bangos sklinda per jonosferą?
  32. Hugarian:
    Hogyan terjednek az égbolt rádióhullámai az ionoszférán?
  33. Turkish:
    Radyo gök dalgaları iyonosferde nasıl hareket eder?
  34. Hawaiian:
    Pehea ka holo ʻana o nā nalu lewa lewa ma ka ionosphere?
  35. Filipino:
    Paano naglalakbay ang mga radio sky wave sa ionosphere?
  36. Malay:
    Bagaimanakah gelombang langit radio bergerak melalui ionosfera?
  37. Arabic:
    كيف تنتقل الموجات الراديوية السماوية عبر طبقة الأيونوسفير?
  38. Malay (Jawi):
    باڬايمانا ڬلومبڠ لاڠيت راديو برجالن ملالوءي ايونوسفير?
  39. Punjabi (Shahmukhi):
    ریڈیو اسکائی لہراں آئنو کرہ چوں کیویں لنگھدیاں نیں?
  40. Uygur:
    رادىئو ئاسمىنى دولقۇنى قانداق قىلىپ ئىئونوسفېرانى ئايلىنىپ ئۆتىدۇ?
  41. Urdu:
    ریڈیو آسمانی لہریں آئن اسپیئر میں کیسے سفر کرتی ہیں?
  42. Hebrew:
    כיצד מתפשטים גלי רדיו באמצעות היונוספירה?
  43. Audio not available yet:

  44. Mongolian:
    Радио тэнгэрийн долгион ионосфероор хэрхэн дамждаг вэ?
    Phonetic: Radio tengeriin dolgion ionosfyeroor kherkhen damjdag ve?
  45. Haitian Creole:
    Ki jan onn syèl radyo yo vwayaje atravè ionosfè a?
    Phonetic:
  46. Mauritian:
    Kouma bann vag lesiel radio vwayaz atraver ionosfer?
    Phonetic:
  47. Georgian:
    როგორ მოძრაობენ რადიო ცის ტალღები იონოსფეროში?
    Phonetic:
  48. Kannada:
    ರೇಡಿಯೋ ಆಕಾಶ ತರಂಗಗಳು ಅಯಾನುಗೋಳದ ಮೂಲಕ ಹೇಗೆ ಚಲಿಸುತ್ತವೆ?
    Phonetic:
  49. Minang:
    Baa caronyo galombang langik radio malalui ionosfer?
    Phonetic: