![Korea Aerospace Industries selects Rockwell Collins HF-9000 radio system for the South Korea Marine Helicopter - Vertical Mag Korea Aerospace Industries selects Rockwell Collins HF-9000 radio system for the South Korea Marine Helicopter - Vertical Mag](https://assets.verticalmag.com/wp-content/uploads/2016/06/696877156617120.jpg)
Korea Aerospace Industries selects Rockwell Collins HF-9000 radio system for the South Korea Marine Helicopter - Vertical Mag
![HF radio becomes low-cost alternative to satellite | High-frequency radio - Urgent Communications article HF radio becomes low-cost alternative to satellite | High-frequency radio - Urgent Communications article](https://urgentcomm.com/files/embed/images/hf-radio-propagation-201103.jpg)
HF radio becomes low-cost alternative to satellite | High-frequency radio - Urgent Communications article
Are commercial aircraft still typically equipped with HF radio? If so, what do the antenna systems look like? - Quora
![Electronics | Free Full-Text | Influence of Aircraft Power Electronics Processing on Backup VHF Radio Systems Electronics | Free Full-Text | Influence of Aircraft Power Electronics Processing on Backup VHF Radio Systems](https://pub.mdpi-res.com/electronics/electronics-10-00777/article_deploy/html/images/electronics-10-00777-g001.png?1627952729)
Electronics | Free Full-Text | Influence of Aircraft Power Electronics Processing on Backup VHF Radio Systems
![aircraft design - Why do planes use wire HF antennas instead of smaller ones used by airliners? - Aviation Stack Exchange aircraft design - Why do planes use wire HF antennas instead of smaller ones used by airliners? - Aviation Stack Exchange](https://i.stack.imgur.com/KsOBv.jpg)