![The shortwave radio signals that the alleged Russian spies were using are still surprisingly effective. The shortwave radio signals that the alleged Russian spies were using are still surprisingly effective.](https://www.slate.com/content/dam/slate/archive/2010/07/1_123125_2126996_2240593_2258796_2259604_100706_tech_antennatn.jpg.CROP.original-original.jpg)
The shortwave radio signals that the alleged Russian spies were using are still surprisingly effective.
![Radio Waves: Shortwave Secret Weapon, Russian Propaganda in Kansas City, Crisis Radio, and Tape Measure Antenna, | The SWLing Post Radio Waves: Shortwave Secret Weapon, Russian Propaganda in Kansas City, Crisis Radio, and Tape Measure Antenna, | The SWLing Post](https://swling.com/blog/wp-content/uploads/2019/05/VOA-Site-B-50-of-170.jpg)
Radio Waves: Shortwave Secret Weapon, Russian Propaganda in Kansas City, Crisis Radio, and Tape Measure Antenna, | The SWLing Post
![Retekess V111 Shortwave Radio, Portable Digital Radio Stereo Voice, Battery Operated with Favorite Key and Earphone Digital Alarm Clock for Hiking Walking: Amazon.co.uk: Electronics & Photo Retekess V111 Shortwave Radio, Portable Digital Radio Stereo Voice, Battery Operated with Favorite Key and Earphone Digital Alarm Clock for Hiking Walking: Amazon.co.uk: Electronics & Photo](https://m.media-amazon.com/images/I/71dOIfxld5S._AC_UF1000,1000_QL80_.jpg)
Retekess V111 Shortwave Radio, Portable Digital Radio Stereo Voice, Battery Operated with Favorite Key and Earphone Digital Alarm Clock for Hiking Walking: Amazon.co.uk: Electronics & Photo
![Retekess V111 Shortwave Radio, Portable Digital Radio Stereo Voice, Battery Operated with Favorite Key and Earphone Digital Alarm Clock for Hiking Walking: Amazon.co.uk: Electronics & Photo Retekess V111 Shortwave Radio, Portable Digital Radio Stereo Voice, Battery Operated with Favorite Key and Earphone Digital Alarm Clock for Hiking Walking: Amazon.co.uk: Electronics & Photo](https://m.media-amazon.com/images/I/712-eTWnolL._AC_UF1000,1000_QL80_.jpg)
Retekess V111 Shortwave Radio, Portable Digital Radio Stereo Voice, Battery Operated with Favorite Key and Earphone Digital Alarm Clock for Hiking Walking: Amazon.co.uk: Electronics & Photo
![Mystery of the ghostly Russian radio station that has 'buzzed' every day since the 1970s - NZ Herald Mystery of the ghostly Russian radio station that has 'buzzed' every day since the 1970s - NZ Herald](https://www.nzherald.co.nz/resizer/_pc27shkQT3W7z2VlH1pKE6KKIA=/1200x675/smart/filters:quality(70)/cloudfront-ap-southeast-2.images.arcpublishing.com/nzme/FMEFZRXYEXMJNJW4E45NUKRB3Q.jpg)