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2. Two-way radio - Wikipedia

   en.wikipedia.org/wiki/Two-way_radio

   Naval air traffic controller communicates with aircraft over a two-way radio headset A variety of portable handheld two-way radios for private use. A two-way radio is a radio transceiver (a radio that can both transmit and receive radio waves), which is used for bidirectional person-to-person voice communication with other users with similar radios, [1] in contrast to a broadcast receiver ...

3. Fly-killing device - Wikipedia

   en.wikipedia.org/wiki/Fly-killing_device

   A typical flyswatter. A flyswatter (or fly-swat, fly swatter [1]) usually consists of a small rectangular or round sheet of a lightweight, flexible, vented material (usually thin metallic, rubber, or plastic mesh) around 10 cm (4 in) across, attached to a handle about 30 to 60 cm (1 to 2 ft) long made of a lightweight material such as wire, wood, plastic, or metal.

4. Air-to-ground communication - Wikipedia

   en.wikipedia.org/wiki/Air-to-ground_communication

   Air-to-ground communication was first made possible by the development of two-way aerial telegraphy in 1912, soon followed by two-way radio. By the Second World War, radio had become the chief medium of air-to-ground and air-to-air communication. Since then, transponders have enabled pilots and controllers to identify planes automatically ...

5. Baofeng UV-5R - Wikipedia

   en.wikipedia.org/wiki/Baofeng_UV-5R

   The Baofeng UV-5R has been produced since 2012 and exported to markets worldwide. The controversial radio had no FCC Part 95 certification [4] in the United States. As a result, it was not authorized for use in the GMRS and FRS, only for amateur radio. [5] [6] Baofeng launched a number of other models based on the UV-5R technology, since 2012.

6. In the immortal battle of man vs. fly, the flies are winning ...

   www.aol.com/immortal-battle-man-vs-fly-090316282...

   In other words, you’re basically flailing away with cartoon-like speed, hoping a fly hits the swatter by accident. Which brings me to the second point: For the reasons stated above, the eSwatter ...

7. Aviation communication - Wikipedia

   en.wikipedia.org/wiki/Aviation_communication

   They tested this device at Langley Field in Virginia and found it was a viable technology. [5] In May 1917, General George Squier of the U.S. Army Signal Corps contacted AT&T to develop an air-to-ground radio with a range of 2,000 yards. By July 4 of that same year, AT&T technicians achieved two-way communication between pilots and ground ...

8. Kate Middleton's Emotional Return to Royal Walkabouts ... - AOL

   www.aol.com/kate-middletons-emotional-return...

   Kate Middleton’s return to greeting the public on Christmas Day was a poignant moment, not just for her, but for the many who had been eagerly awaiting her comeback after a difficult year. For ...

9. Radiotelephony procedure - Wikipedia

   en.wikipedia.org/wiki/Radiotelephony_procedure

   Radio call signs are a globally unique identifier assigned to all stations that are required to obtain a license in order to emit RF energy. The identifiers consist of from 3 to 9 letters and digits, and while the basic format of the call signs are specified by the ITU-R Radio Regulations, Article 19, Identification of stations, [5] the details are left up to each country's radio licensing ...