176: The ARX-2B antenna is made by which company?

177: ASCII stands for American Standard Code for Information Interchange.

178: The Lafayette HE-45 was an AM transceiver operating on what amateur radio band?

179: What company made the popular HW-101?

180: Where is the world's largest amateur radio "hamfest" held?  

181: In emergency situations, the usage of 'CW' in calling for help can be very effective because:  

182: Grounded lightning points are placed atop the perimeter of modern buildings in order to dissipate electron charges to cloud banks to avoid lightning discharges to the earth.  

183: The first harmonic of 7.1 MHz is:  

184: Every mobile antenna should have at it's tip a corona ball or corona tip:

185: In the 1930's it was common to locate automobile radio antennas under the running boards and under the 'soft top'?  

186: What substance or material was inserted into pneumatic tires in the early days of auto radio installations in order to reduce static?

187: What simple machine was employed in the early 'crank-type' rural telephone sets to 'ring-up' friends for a chat?  

188: What prefix is assigned to a US Ham requesting a reciprocal callsign in Japan?  

189: What type of power was used to supply filament voltage in the early battery operated household radios of the twenties and thirties:

190: What were the call letters of the 500,000 watt standard AM radio station in Cincinnati, Ohio that caused residential light bulbs in the vicinity of the antenna to glow while the wall switch was in the OFF position?      

191: What are the call letters of the 'mile-high' U. S. radio station?  

192: What was the King of Jordan's callsign?

193: What was the callsign of the amateur radio station marking the 92nd anniversary of the first West to East transmission from Nova Scotia to Cornwall ?  

194: Amateurs who 'homebrewed' their own early crystal set receivers used which of following household items?

195: One of the early broadcast microphones had the element suspended on concentric cone springs from a circular ring and was known as a ________type:

196: The one hundred sixty meter band went to war during WW Two to be utilized in radio navigation system called________?

197: The communication system reputedly utilized for radio contact with submerged submarines is known by the acronym_____?

198: In earlier years of amateur radio the installation of a heavy duty knife switch for grounding antennas was recommended for lightning protection:

199: Amateur radio operators were primary in the development of single sideband radio which gave ham-radio it's big forward thrust:

200: What does the loading coil in a mobile antenna do?