![i) Which mode of propagation is used by shortwave broadcast services having frequency range from a few MHz upto 30 MHz? Explain diagrammatically how long distance communication can be achieved by this i) Which mode of propagation is used by shortwave broadcast services having frequency range from a few MHz upto 30 MHz? Explain diagrammatically how long distance communication can be achieved by this](https://haygot.s3.amazonaws.com/questions/2038428_1582167_ans_38058492760b4013af016edf978d9429.png)
i) Which mode of propagation is used by shortwave broadcast services having frequency range from a few MHz upto 30 MHz? Explain diagrammatically how long distance communication can be achieved by this
![High frequency section of Boerangrang BR-302 Long distance short wave radio receiver. Made by my self. | Shortwave radio, Ham radio, Radio High frequency section of Boerangrang BR-302 Long distance short wave radio receiver. Made by my self. | Shortwave radio, Ham radio, Radio](https://i.pinimg.com/736x/85/69/59/856959d8c89ee84228b30711e830be92.jpg)
High frequency section of Boerangrang BR-302 Long distance short wave radio receiver. Made by my self. | Shortwave radio, Ham radio, Radio
![The Best Shortwave Radios in 2021 - FULL BUYER'S GUIDE! | Onda corta, Radio onda corta, Ondas de radio The Best Shortwave Radios in 2021 - FULL BUYER'S GUIDE! | Onda corta, Radio onda corta, Ondas de radio](https://i.pinimg.com/736x/d2/8d/fb/d28dfb45c2a10e6b6fae840af0a84756.jpg)