251: Did the FCC ever close a class of individual amateur radio license to new holders, but continued to renew and modify existing licenses of that class?

252: Which of the following designs is used for a balun?

253: What is the maximum number of code test speeds ever proposed and/or adopted by the FCC?

254: What is a Sideswiper?  

255: Which of the following was called a Hartley?  

256: What were "Baldies"?

257: What was the "SUPER WASP"?

258: What was the SW3?    

259: In the early days, what was used before S.O.S. for emergency calling?

260: Which agency issued amateur licenses prior to the FCC?  

261: In what year was the ARRL formally started?

262: When was the single signal superheterodyne developed?  

263: During what years was Hiram Percy Maxim president of the ARRL?

264: What was the name of the amateur radio operator who went to the arctic with MacMillen in 1923?  

265: When did the ARRL first publish the RADIO AMATEURS HANDBOOK?

266: After World War I, when was the ban lifted on amateur radio?  

267: What is the "THE AMATEURS CODE" ?  

268: What country, in the past, used a three letter prefix followed by two or three numbers?

269: Which assassinated Indian Prime Minister was an amateur radio operator?      

270: What does MOSFET stand for?  

271: If you want to receive SSB on a direct conversion receiver at 3.67 MHz, what frequency should you set the local oscillator to?

272: What frequency, in the 20m band, is used by the International Beacon Service?  

273: What is the amateur radio prefix, for the Republic of Suriname?  

274: In what year was the ionosphere first discovered?  

275: In what year was Guglielmo Marconi born?