INTRODUCTION TO AMATEUR RADIO

By: Outhai SAIOUDOM (XW1OS)

Ref: Phet Imtongkhum (HS4POV)

http://www.phet.in.th

Amateur Radio

Amateur Radio

Worldwide Hobby, Self Learning and Community

Amateur Radio

Ham Radio History

- 1914 the American Radio Relay League- 1981 Voluntary Radio in Thailand

Frequency

Radio Frequency

Radio Propagation Frequency Names Propagation Features

up to 3 MHz

•Very Low Frequency

(VLF)

•Low Frequency (LF)

•Medium Frequency (MF)

ground wave

3 to 30 MHz. •High Frequency (HF) sky waves

above 30 MHz

•Very High Frequency

(VHF)

•Ultra High Frequency

(UHF)

•Super High Frequency

(SHF)

•Extremely High Frequency

(EHF)

Propagation is by line-of-sight (space waves),

Radio Propagation

Amateur Radio Communication

HF Mode Communication

- Morse Code- Single Side Band Voice

- Long Distance- Challenge

Voice Mode Communication

- Easy, Fun, Self-study

- Community,- Knowledge Base Society

Digital Mode Communication

- Best Digital Signal Practice

Satellite Communication

Satellite Communication

Amateur Radio on the International Space Station

APRS Automatic Packet Reporting System

DX(DXing) Distance Station, Signal from a distance station

EME - Earth-Moon-Earth communication

- Very Loss of Signal- High Power & High Gain ANT

ARDF Amateur radio direction finding

- Radio Sport

RoIP Radio over Internet Protocol

RoIP Software: Echolink, D-STAR, WIRES, eQSO

EchoLink

Available:

Computer software

To integrate with real radio link station

iOS Application

Android Application

EchoLink

EchoLink

Get A License !!!

Volunteer Examiners (VE)

In Thailand and AEC Region FCC Amateur Radio

License ARRL VEC Examination

Please Visit http://www.e21eic.net

Or Getting License With NBTC Training & ExamPlease Visit http://www.nbtc.go.th

DEMO

HS4POV contact to ISS (NA1SS)

HS4POV

เด็กชายเพชร HS4POV เด็กตวัเลก็ๆ คนนึง จากจงัหวดั อดุรธานี ตดิต่อกบั นกับนิ William

Surles "Bill" McArthur, Jr., (Colonel, USA, Ret.) บนสถานีอวกาศ

นานาชาต ิISS (NA1SS) ผ่านคลื่น วทิยสุมคัรเลน่ ความถี่ 145.800 MHz เม่ือวนัที่ 8 มกราคม

2549 (8 Jan 2006)เขาถาม นักบนิอวกาศ ว่า บนสถานีอวกาศ คอมพวิเตอร ์ใชร้ะบบปฏบิตักิารอะไร?

ที่เหลอื ฟงัต่อเอง...

https://www.youtube.com/watch?v=NFvcBjKfeRA

Any Question ??

Thank You