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Amateur Radio

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... are interested in radio and electronic technology, and who make it their hobby. ... www.fortwayneradioclub.org. www.midnightscience.com/project.html ... – PowerPoint PPT presentation

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Title: Amateur Radio


1
Amateur Radio
  • Ham Radio

2
What Is Radio?
  • AM and FM Radio Broadcasting
  • Television (Moving Pictures transmitted by Radio)
  • Cell Phones
  • Many other applications

3
What Is Ham Radio?
  • Ham Radio is people who are interested in radio
    and electronic technology, and who make it their
    hobby.
  • A ham has to have a license, issued by the U.S.
    government
  • Most radio amateurs are not technical
    professionals
  • There is no minimum age
  • Amateur radio licenses have been issued to kids
    as young as 5
  • Many amateurs get their first license while in
    middle school or high school
  • You dont have to learn the Morse code, but its
    more fun if you do)

4
What Do Hams Do?
  • Amateur Radio would not exist if it werent fun
  • Some radio amateurs just enjoy talking to each
    other
  • Some enjoy talking to hams in other countries
  • DXing.
  • Internet Repeater Linking Project
  • Some enjoy experimenting with the technology
  • Building radio equipment, such as
    software-defined radios
  • Developing software
  • Some hams enjoy exotic forms of radio.
  • Moonbounce (Earth-Moon-Earth)
  • Amateur Satellite Communications
  • Amateur Radio on the International Space Station
    (ARISS)
  • Meteor Scatter

5
DXing
  • Long-distance radio communication with no
    infrastructure.
  • No internet
  • No Satellite
  • No Repeater
  • Only the earths ionosphere is used
  • Low power (5 Watts or less) is often enough
  • Up to 1500 Watts is legal!

6
Radio Waves Bounce Off The Ionosphere
7
Bouncing off the Ionosphere
  • DXing means shortwave radio, also called HF
    radio (for High Frequency).
  • The ionospheres ability to reflect radio signals
    back to earth depends on the weather in space (no
    kidding).
  • Sunspots Good!
  • Sunspots increase UV radiation
  • UV radiation thickens the ionosphere
  • Solar Flares and Coronal Mass Ejections Bad!!!
  • These disrupt the ionosphere
  • Geomagnetic Storms

8
Talking to Hams in Other Countries
  • Most hams speak English
  • Most overseas hams appreciate U.S. hams who will
    talk to them in their own language
  • A great way to practice a foreign language.
  • Voice (SSB, or Single Sideband)
  • Morse Code (CW) is fun.
  • CW radios are simple to build yourself!
  • CW is the best mode for long distance comm. with
    low power
  • PSK31 (PSK stands for Phase Shift Keying
  • Chat without the internet!
  • Almost as good as CW for low-power

9
Internet Repeater Linking Project
  • IRLP
  • Many cities around the world have Amateur Radio
    repeaters
  • VHF or UHF
  • line-of-sight range
  • Extend range of handheld or mobile
  • Many are now linked via the internet.
  • You can dial a repeater in another city from a
    handheld or mobile transceiver, and join the
    conversation.
  • If you dont have a VHF transceiver, you can
    connect to any IRLP repeater from your computer!
  • www.echolink.org

10
Other Activities
  • Radio Orienteering (Radiosport)
  • International competition
  • http//members.aol.com/homingin/
  • Amateur Radio Satellites
  • http//www.amsat.org
  • Meteor Scatter
  • EME (Earth-Moon-Earth)
  • http//www.af9y.com

11
Other Activities
  • Disaster/Public Service
  • Hurricane Relief
  • Homeland Security
  • Skywarn
  • Many others
  • http//www.amsat.org

12
Club Activities
  • IPFW Club Station
  • Capable of worldwide communications
  • Will be available for any club member to operate
  • Unlicensed club members may only operate if a
    licensed control operator is present.
  • May be operated remotely from any computer on
    campus
  • Off-campus operation will be possible in the near
    future.

13
Club Activities
  • Training for License Exam
  • Public Service?
  • Radio orienteering?
  • Technical Projects?
  • Low cost software defined radio?
  • Wide area Wi-Fi?
  • Contests?
  • Others?

14
Now the Demos
  • For more information, visit www.ecet.ipfw.edu/good
    manp and follow links

15
For More Information
www.arrl.org, the organization of hams in the
U.S. www.fortwayneradioclub.org www.midnightscienc
e.com/project.html
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