They're farmers who rely heavily on maize and chickens to survive. James Chidakwa says that like many, his family refuses to listen to government TV or radio broadcasts. [translate] a"If you want to hear the truth, wait for the end of the day to listen to Shortwave Radio Africa, to...
Radio waves in the shortwave band can be reflected or refracted from a layer of electrically charged atoms in the atmosphere called the ionosphere over extremely long distances. Skywave Schedules is just the ticket for anyone wanting to listen and identify stations broadcasting on shortwave. It’s ...
You must use a shortwave radio to ___ BBC’s programmes. [ ] A. look for B. find out C. pick up D. listen to 试题答案 在线课程 答案:C 提示: look for“寻找”;find out“查明”;pick up“收听”;listen to着重“听”的动作。 练习册系列...
Software Defined Radio works the same way, but uses a computer to process the incoming radio signals instead of internal hardware. This gives access to a far greater range of frequencies, though most SDR systems can also cost hundreds of dollars. However, back in 2012 a group of hackers foun...