226: What is the Rettysnitch?    

227: The Viking II used a pair of 1625's as modulators.

228: An 807 is known in some ham circles as a:  

229: After World War II, what big green thing was a popular power supply for amateur mobile installations?

230: The DB-23 was an audio preamplifier

231: The Hallicrafters S-38 was a 5 tube superhet receiver in a wooden cabinet painted to resemble metal.

232: In early receivers, a C battery was used as:

233: What mobile antenna manufacturer used surplus WW II tank antenna sections as part of it's antennas?

234: What is a "pole Pig" used for?

235: What is/was a "slop jar" in ham radio slang?

236: In what year did the FCC first authorize spread spectrum (SS) radio use by hams on amateur frequencies?

237: Which of the following is NOT a type of vacuum tube?

238: What is the highest number of US amateur radio license classes ever available at one time?

239: In what year were the Novice and Technician license classes created by the FCC?

240: What information is on the outer scale of the standard smith chart ?

241: On a Smith Chart the "Wavelengths toward the generator" is counterclockwise ?

242: Some repeaters are using DPL to control access to the machine. What does the acronym DPL stand for?          

243: How many grids are there in a hexode vacuum tube?

244: What does the term "soft" mean when applied to a vacuum tube?

245: How many tubes are there in an HF "Command set" (ARC-5, SCR-274N) receiver?

246: What is/was required to qualify for the Elser-Mathes Cup?

247: What does the acronym "LSPH" mean?

248: In what year was spark outlawed for US hams?

249: True/False - The FCC has never allowed the same person to hold two classes of amateur radio license simultaneously.

250: In what year did the FCC allow hams to operate mobile on the amateur bands below 25 MHz?