![propagation - Which HF bands are best during the day and which are better at night? - Amateur Radio Stack Exchange propagation - Which HF bands are best during the day and which are better at night? - Amateur Radio Stack Exchange](https://i.stack.imgur.com/wqRCM.png)
propagation - Which HF bands are best during the day and which are better at night? - Amateur Radio Stack Exchange
![propagation - What is the cause of this unusually long period of terrible HF band conditions? - Amateur Radio Stack Exchange propagation - What is the cause of this unusually long period of terrible HF band conditions? - Amateur Radio Stack Exchange](https://i.stack.imgur.com/Pokfk.gif)
propagation - What is the cause of this unusually long period of terrible HF band conditions? - Amateur Radio Stack Exchange
![propagation - What is the cause of this unusually long period of terrible HF band conditions? - Amateur Radio Stack Exchange propagation - What is the cause of this unusually long period of terrible HF band conditions? - Amateur Radio Stack Exchange](https://i.stack.imgur.com/P8zV8.png)
propagation - What is the cause of this unusually long period of terrible HF band conditions? - Amateur Radio Stack Exchange
![propagation - What is the cause of this unusually long period of terrible HF band conditions? - Amateur Radio Stack Exchange propagation - What is the cause of this unusually long period of terrible HF band conditions? - Amateur Radio Stack Exchange](https://i.stack.imgur.com/5cLBl.png)