Title: WELCOME TO J.O.T.A
1WELCOME TOJ.O.T.A
Patch ordering info
- Badge and Patch Activity
- Presented by
- Mark Spencer, WA8SME
2Overview
- Junior Girl Scout Amateur Radio Patch
- The who, what, how, and fun of Amateur Radio
- How radio waves travel
- Use of codes to expedite communication
- Cadette or Senior Girl Scout Amateur Radio Patch
- Journey inside of a radio
- Open, closed, and short circuitsa shocking
experience - Call signsradio names
- On-the-air
3What is Amateur (Ham) Radio?
4What is Amateur (Ham) Radio(government
definition)
- Amateur Radio is a radio communications service
for the purpose of self-training,
intercommunication and technical investigations
carried out by amateurs, that is authorized
persons interested in radio technique solely with
a personal (non-business) aim. - FCC Rules Part 97.3
5Ham Radio Operators
- Come from all walks of life young and old, boys
and girls without regard to ability. - Shared interest in many things including
- Communicating and meeting new people
- Talking to new places around the world, around
the block, or in space - Science and technology
- Computers
- Community service and helping others
- Competitions
- Learning new things and applying what you learn
6How Do I Become a Ham?
- Takes a few hours to study for a Ham Radio
Operators exam - Study by yourself, with a group, or both
- Books are available that have all the information
you need, INCLUDING THE EXAM QUESTIONS - The entry level (Technician) exam is 35
questions, multiple choice - Exams are given frequently in this area
- When you pass the exam (and you will), the FCC
will issue you your own, unique radio nameyour
call sign
7Local Radio Clubs
- Newington Amateur Radio League (NARL)
- The local Ham Radio club that meets once a month
- Participates in community activities and events
- Holds Ham Radio classes throughout the year
- Connecticut Amateur Radio League of Youth (CARL)
- Ham club who's members are primarily young Ham
Radio Operators - Participates in community activities and events
- Conducts a weekly net (on-the-air gathering for
chat) - Have their own club call sign K3KID
- American Radio Relay League (ARRL)
- National organization that supports Ham Radio
8How Do Radio Waves Travel? Line of Sight
9How Do Radio Waves Travel?Repeaters
10How Do Radio Waves Travel?Sky Wave
11How Do Radio Waves Travel?Via Space
12Communication With Codes(Radio Shorthand)
- Morse Code abbreviations
- Q Codes
- Phonetic Alphabet
- Signal ReportsI read you 5 by 5.
13Morse Code abbreviations
14Q Codes
15Phonetic Alphabet
16Signal ReportsI read you 5 by 5.
17Radiogram Message Form
18The Journey Inside a Radio
- Major Radio Station Components
- Transceiver
- Transmitter
- Receiver
- Antenna
- Antenna feed line
- Input device
- Microphone
- Telegraph key
- Computer
- TV camera
19Station Block Diagram
Antenna
Antenna Feed Line
20Basic Electricity
- The fundamental principle of electronics
- Moving electrons create a magnetic field
- Changing magnetic fields cause electrons to move
- Electronics is how we manipulate moving electrons
to create the desired effect
21The Three Parts of Electricity
- Voltage
- Current
- Resistance
22The Three Parts are Related by Ohms Laws
- Voltage E
- Current I
- Resistance R
- Ohms law is the most important relationship
(formula) in electronics
23Two Types of Electric Current
- Direct Current
- Electrons flow in only one direction
- Batteries
- Alternating Current
- Electrons flow back and forth in a conductor
- Electricity from your wall sockets
24Electronic Circuits(pathways for electrons)
- Complete (Closed)
- Proper circuit to cause electrons to do something
useful - Short
- Direct path that bypasses a portion of a circuit
(usually a bad/dangerous thing) - Open
- A broken circuit with no completed pathway for
electrons (usually a safety condition)
25ElectronicSchematics
- Roadmaps of the inside of a radio
- Used to build, trouble- shoot, and repair
electronics
26The Resistor
- The component that impedes or restricts the flow
of electrons in a circuit
27The Capacitor
- The component that acts like a very small
battery. The capacitor temporarily stores energy
in an electrostatic field between two metal plates
28The Inductor
- The component that stores energy by creating a
magnetic field. The inductor is a coil of wire
29The Transistor
- Think of the transistor as an electronic valve
that we use to control the flow of electrons
30The Vacuum Tube
- The predecessor of the transistor. Also a valve
used to control the flow of electrons. - Not very energy efficient, used a lot of energy
in heat - Some tubes still in use today (your computer/TV
monitor)
31Switches
- Many kinds and types of switches. Opens and
closes a circuit to either stop or allow the
follow of elections. - Here a just a few symbols for various switches
32Integrated Circuits
- Integrated means to place together
- Integrated circuits are collections of electronic
components put together to do a particular task
33Ham Radio Call Signs
- WA8SME
- W (A, K, N) United States
- 8 from the 8th call district (MI, OH, W.Va)
- SME The next letters in line when issued
34Ham Radio Call Signs
- DA1OY
- D West Germany
- G5EPV
- G England
- HL9AW
- HL South Korea
35Ham Radio Call Signs
- VE Canada
- XE Mexico
- U Russia
- BY China
- J Japan
- VK Australia
- ZL New Zeeland
- I Italy
- F France
- CO Cuba
- PY Brazil
- 4X Israel
- 5V Togo
- 8Z Saudi Arabia
36Operating a Ham Radio Station
- Calling any station CQ
- Talk like you normally would exceptonly one
person can talk at a time, that is called half
duplex - Non Ham Operators talking on the radio is called
third party trafficsome minor restrictions - Give your station call sign each 10 minutes
- Contacts will be logged (recorded) so that QSL
cards can be issued if requested
37Operating a Ham Radio Station
- Dont be afraid to talk, you wont break
anything! - Have fun meeting new peopleacross the street,
around the world, or in space - Ham Radio