Are commercial aircraft still typically equipped with HF radio? If so, what do the antenna systems look like? - Quora
![Which antenna on an commercial airline airplane is used for the transponder (SSR)? - Aviation Stack Exchange Which antenna on an commercial airline airplane is used for the transponder (SSR)? - Aviation Stack Exchange](https://i.stack.imgur.com/kcieS.png)
Which antenna on an commercial airline airplane is used for the transponder (SSR)? - Aviation Stack Exchange
Are commercial aircraft still typically equipped with HF radio? If so, what do the antenna systems look like? - Quora
![Which antenna on an commercial airline airplane is used for the transponder (SSR)? - Aviation Stack Exchange Which antenna on an commercial airline airplane is used for the transponder (SSR)? - Aviation Stack Exchange](https://i.stack.imgur.com/nRhPu.jpg)
Which antenna on an commercial airline airplane is used for the transponder (SSR)? - Aviation Stack Exchange
![Amazon.com: Bingfu Dual Band 978MHz 1090MHz 5dBi Magnetic Base SMA Male MCX Antenna for Aviation Dual Band 978MHz 1090MHz ADS-B Receiver RTL SDR Software Defined Radio USB Stick Dongle Tuner Receiver : Amazon.com: Bingfu Dual Band 978MHz 1090MHz 5dBi Magnetic Base SMA Male MCX Antenna for Aviation Dual Band 978MHz 1090MHz ADS-B Receiver RTL SDR Software Defined Radio USB Stick Dongle Tuner Receiver :](https://m.media-amazon.com/images/I/61xXxAS+u+L.jpg)
Amazon.com: Bingfu Dual Band 978MHz 1090MHz 5dBi Magnetic Base SMA Male MCX Antenna for Aviation Dual Band 978MHz 1090MHz ADS-B Receiver RTL SDR Software Defined Radio USB Stick Dongle Tuner Receiver :
![What radio frequency bands are associated with the long wire antennas, why do some aircraft have them and others don't? - Aviation Stack Exchange What radio frequency bands are associated with the long wire antennas, why do some aircraft have them and others don't? - Aviation Stack Exchange](https://i.stack.imgur.com/N633F.jpg)