![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.](http://www.slate.com/content/dam/slate/archive/2010/07/1_123125_2126996_2240593_2258796_2259604_100706_tech_antennatn.jpg.CROP.thumbnail-small.jpg)
The shortwave radio signals that the alleged Russian spies were using are still surprisingly effective.
![Alien life, or noise? Russian telescope detects 'strong signal' from sun-like star | Astronomy | The Guardian Alien life, or noise? Russian telescope detects 'strong signal' from sun-like star | Astronomy | The Guardian](https://i.guim.co.uk/img/media/7075144d301404f0a53cce257b49ad583e4beb1f/0_172_3000_1800/3000.jpg?width=1200&height=630&quality=85&auto=format&fit=crop&overlay-align=bottom%2Cleft&overlay-width=100p&overlay-base64=L2ltZy9zdGF0aWMvb3ZlcmxheXMvdGctYWdlLTIwMTYucG5n&s=4f69d1c42561f9b90706e43fb184ed2a)
Alien life, or noise? Russian telescope detects 'strong signal' from sun-like star | Astronomy | The Guardian
![Russian Soviet Portable Radio Transceiver Used By USSR Red Army Signal Corps In World War Ii. Telegraph Key And Helmet Are On A Forest Stump Stock Photo - Alamy Russian Soviet Portable Radio Transceiver Used By USSR Red Army Signal Corps In World War Ii. Telegraph Key And Helmet Are On A Forest Stump Stock Photo - Alamy](https://c8.alamy.com/comp/2H4KB8H/russian-soviet-portable-radio-transceiver-used-by-ussr-red-army-signal-corps-in-world-war-ii-telegraph-key-and-helmet-are-on-a-forest-stump-2H4KB8H.jpg)
Russian Soviet Portable Radio Transceiver Used By USSR Red Army Signal Corps In World War Ii. Telegraph Key And Helmet Are On A Forest Stump Stock Photo - Alamy
![Russian Soviet Portable Radio Transceiver Used By USSR Red Army Signal Corps In World War Ii. Headphones And Telegraph Key Are On A Forest Stump Stock Photo | Adobe Stock Russian Soviet Portable Radio Transceiver Used By USSR Red Army Signal Corps In World War Ii. Headphones And Telegraph Key Are On A Forest Stump Stock Photo | Adobe Stock](https://as1.ftcdn.net/v2/jpg/02/87/34/16/1000_F_287341676_0y48HWStszfgdfIfEZu49w8abopjm12d.jpg)