(Difference between revisions)
Revision as of 12:22, October 14, 2012
|Wireless merit badge
|| BSA Advancement ID:
|| new in 1919
| Renamed in:
|| Renamed to:
Wireless merit badge requirements at discontinuation
|To obtain a merit badge for Wireless, a scout must:
- Be able to receive and send correctly not less than ten words a minute.
- Know the correct form for sending a message.
- Be able to tell in own words the principal laws regarding radio communication.
- Know at least ten of the radiogram abbreviations. (Q signals)
- (a) Be able to name two types of detectors and explain how they work. (b) Name five minerals used in detectors in the order of their sensitiveness.
- Draw a diagram of a simple transmitting set, showing how the following instruments are connected: dynamo or storage battery (source of power), transformer, condenser, spark, gap, helix, key. Explain the function of each.
- Draw a simple diagram showing how to connect the following instruments; tuning coil or loose coupler, detector, fixed or variable condensers, phones and ground. Tell the use of the above apparatus.
- Draw a diagram of three different types of aerials and tell their advantages or faults.
- (a) Know how properly ground a radio set and know what precautions to take during a thunder shower. (b) Demonstrate how to rescue a person in contact with a live wire, and have a knowledge of the method of resuscitation of a person insensible from shock.
- Write a brief essay on development of wireless telegraphy.
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Please note any errors found in the above requirements on this article's Talk Page.