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2. DXing - Wikipedia

   en.wikipedia.org/wiki/DXing

   DXing, taken from DX, the telegraphic shorthand for "distance" or "distant", [1] is the hobby of receiving and identifying distant radio or television signals, or making two-way radio contact with distant stations in amateur radio, citizens band radio or other two-way radio communications.

3. 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 ...

4. List of radios - Wikipedia

   en.wikipedia.org/wiki/List_of_radios

   The RCA model R7 Superette superheterodyne table radio. This is a list of notable radios, which encompasses specific models and brands of radio transmitters, receivers and transceivers, both actively manufactured and defunct, including receivers, two-way radios, citizens band radios, shortwave radios, ham radios, scanners, weather radios and airband and marine VHF radios.

5. QRP operation - Wikipedia

   en.wikipedia.org/wiki/QRP_operation

   Reliable two-way communication at such low power levels can be challenging due to changing radio propagation and the difficulty of receiving the relatively weak transmitted signals. QRP enthusiasts may employ optimized antenna systems, enhanced operating skills, and a variety of special modes, in order to maximize their ability to make and ...

6. Transmitter Solt - Wikipedia

   en.wikipedia.org/wiki/Transmitter_Solt

   The Transmitter Solt (Hungarian: Solti rádióadó) is a radio transmission facility for 540 kHz MW (Medium Wave) near Solt, Hungary, serving as the primary transmitter site for Kossuth Rádió. [1] With an output power of 2000 kW (2 MW), it is the most powerful radio transmitter in Europe and is among the most powerful radio transmitters in ...

7. Rolls-Royce Trent - Wikipedia

   en.wikipedia.org/wiki/Rolls-Royce_Trent

   In Dahlewitz near Berlin, Rolls-Royce built a power rig simulating loading conditions in flight, sized for 15–80 MW (20,000–107,000 hp) gear systems; and recruited 200 engineers. The ratio of the initial test gear will approach 4:1 and thrust could be up to 440 kN (100,000 lbf). [61] The test rig is an €84 million ($94 million) investment.