Radioaaltojen etenemisestä

[oh2op]

https://www.youtube.com/watch?v=9BuLAQ4 ... ioClubW7SU

https://youtu.be/9BuLAQ4WWIQ?t=755
Ground waves - antenna radiation patterns - skywave peopagation - impact of the sun on propagation

https://youtu.be/9BuLAQ4WWIQ?t=850
Ground waves

https://youtu.be/9BuLAQ4WWIQ?t=1048
Antenna radiation pattern vertical

https://youtu.be/9BuLAQ4WWIQ?t=1157
End fed

https://youtu.be/9BuLAQ4WWIQ?t=1185
Yagi

https://youtu.be/9BuLAQ4WWIQ
Titanic

https://youtu.be/9BuLAQ4WWIQ?t=1585
hyppely

https://youtu.be/9BuLAQ4WWIQ?t=1858
Let's preview the basics

https://youtu.be/9BuLAQ4WWIQ?t=1943
The basics continued

https://youtu.be/9BuLAQ4WWIQ
Refraction

https://youtu.be/9BuLAQ4WWIQ?t=2324
The ionospherere

https://youtu.be/9BuLAQ4WWIQ
Ionospheric layers

https://youtu.be/9BuLAQ4WWIQ?t=2561
Types of propagation

https://youtu.be/9BuLAQ4WWIQ?t=2660
The blessings of sky wave

https://youtu.be/9BuLAQ4WWIQ
The main inhibitor: solar cycles

https://youtu.be/9BuLAQ4WWIQ
Solar indices

https://youtu.be/9BuLAQ4WWIQ?t=3183
Sunspot numbers

https://youtu.be/9BuLAQ4WWIQ?t=3211
Coronal mass ejections

https://youtu.be/9BuLAQ4WWIQ?t=3340
Transequatorial spread-F

https://youtu.be/9BuLAQ4WWIQ?t=3523
Geomagnetic activity

https://youtu.be/9BuLAQ4WWIQ?t=3591
HF band prediction characteristics

https://youtu.be/9BuLAQ4WWIQ?t=3673
Propagation information websites