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  • Amateur Radio Quiz: Parting Words

    06/29/2009. 1) Which of these tubes was nearly ubiquitous in the output stage of amateur transceivers during the 1970s? a. 807 b. 811 c. 6146 d. 4-1000. 2) What standards organization is responsible for assigning semiconductor part numbers that begin with 1N, 2N, 3N, 4N and so on? a. ANSI b. JAN c. JEDEC d. ITU. Learn More

  • National Association for Amateur Radio Website Search

    Results 25 - 32 of 10500 ... The great tradition of self-learning and mutual education is alive and well at the outset of Amateur Radio's second century. The success of that tradition leans heavily on the books -- and now websites -- of amateurs willing to share their radio know-how with others. This month's quiz touches on ... Learn More

  • Amateur Radio Quiz: Stating the Obvious

    04/02/2009. 1) Which state narrows to the smallest distance between two other states before widening again? Where does it do this? 2) Which of the contiguous 48 states extends farthest north? 3) What direction would you drive from Detroit, Michigan to get to the closest Canadian territory? 4) There are two states that have ... Learn More

  • Amateur Radio Quiz: Forming Attachments

    11/24/2011. By H. Ward Silver, N0AX Critical to almost all aspects of successfully making contacts are the contacts -- or rather, the connections between contacts -- that allow electrons to scurry back and forth (and back and forth) carrying on our conversations. Pin down each question and socket to 'em! Learn More

  • Amateur Radio Quiz: Spring for Some Contest Action!

    Apr 14, 2012 ... Spring marks the transition of the contest seasons, as the big DX contests give way to summer's domestic and VHF+ activity. See if you're ready to put some QSOs in your log with radiosport recreation in these April, May, and June on-the- air events! To help you complete the quiz, you can find contest ... Learn More

  • Amateur Radio Quiz: The Transistor, Our Three-Legged Friend

    01/04/2010. By H. Ward Silver, N0AX ARRL Contributing Editor What piece of active equipment in the ham shack doesn't have a transistor in it somewhere? Could you troubleshoot that equipment? While transistors are nearly ubiquitous, we often don't understand their inner workings as well as we might like ... Learn More

  • Amateur Radio Quiz: A Spare Hour's Entertainment

    11/03/2008. 1) If an amplifier would increase your power output from 50 W to 500 W, while a new tribander would add 4 dB of forward gain over your existing dipole, with which would your signal be louder? 2) Will a fan rated at 0.5 cubic meters per minute be able to cool a tube that needs 20 cubic feet per minute? 3) The ac ... Learn More

  • Amateur Radio Quiz: The Band Is Hot!

    07/07/2010. By H. Ward Silver, N0AX ARRL Contributing Editor Summer time brings out the 6 meter “Magic Band” aficionados as action via sporadic-E (Es) propagation heats up. The annual Perseids meteor shower brings additional excitement during mid-August as the Earth sweeps through the debris of ... Learn More

  • Amateur Radio Quiz: Assault'n Batteries

    10/28/2009. 1) What causes the terminal voltage of a battery to drop under load? a. ennui b. internal resistance c. contact delamination d. electromigration. 2) Who invented the first electrochemical cell? a. Volta b. Voltaire c. Volare d. Voldemort. 3) What's the difference between a battery and a cell? a. Cells are only found in ... Learn More

  • Search for Amateur Radio News

    Feature. 12/06/2010 | Amateur Radio Quiz: For Auld Acquaintance. Here at the end of the year, it's customary to remember those who have gone before us. This quiz acknowledges events and individuals that shaped ham radio. For those of you who are new to the hobby, here are some great topics to research online and  ... Learn More