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Published byAlvin Darcy Townsend Modified over 9 years ago
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Frequency Spectrum An Overview
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Spectrum Divisions
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Amateur Radio Bands (27) 160M1.8MHzMH1800-2000kHz 80M3.5MHzHF3500-4000kHz 60M5.3MHz5330.5-5403.5kHz (5 channels) 40M7MHz7000-7300kHz 30M10.1MHz10100-10150kHz 20M14MHz14000-14350kHz 17M18MHz18068-18168kHz 15M21MHz21000-21450kHz 12M24MHz24890-24990kHz 10M28MHz28000-29700kHz 6M50MHzVHF50.0-54.0MHz 2M144MHz 144.0-148.0MHz 1.25M222MHz219.0-220.0, 222.0-225.0MHz 70cm420MHzUHF420.0-450.0MHz 33cm902MHz902.0-928.0MHz 23cm1240MHz1240-1300MHz 13cm2300MHz2300-2310, 2390-2450MHz 9cm3300MHzSHF3300-3500MHz 5cm5650MHz5650-5925MHz 3cm10GHz10.0-10.5GHz 1.25cm24GHz24.0-24.25GHz 6mm47GHzEHF47.0-47.2GHz 4mm76GHz 76.0-81.0GHz 2.5mm122.25GHz122.25-123.0GHz 2.1mm134GHz134-141GHz 1.2mm241GHz241-250GHz 1mm275GHzAll above 275GHz
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AMATEUR (Ham) RADIO Allan D Handforth, AF6BO
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Statistics - 2007 630,000 Operators in USA 2.5M Operators in World 900 roughly in Santa Cruz County, CA 150,000 Membership in USA ARRL - ARRL is largest Political Organization - ARRL sponsors ARES© Organizations
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License Levels Technician License General License Amateur Extra License (old) – Morse Code Novice Advance
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Technician License 35/400 FCC Rules, Station License Responsibilities - 4 Control Operator Duties – 4 Operating Practices – 4 Radio and Electronic Fundamentals – 5 Station Setup and operation – 4 Communications Modes and Methods – 3 Special Operations – 2 Emergency and Public Service Communications – 3 Radio Waves, Propagation, and Antennas – 3 Electrical and RF Safety - 3
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Methods of Learning Self (get license manual and study) 6-8 Week Class (material covered with mentors in classroom) Exam Cram (may have some classroom time – only to answer questions and explain concepts) Test at VEC Session (special locally scheduled or at normal testing times)
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You don’t buy it – you EARN it Entry level license is easy –Takes a week or two of study On your own –Study books –Online courses Groups and classes –Local clubs
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Costs About $40 in books and fees ($24.95 + tax, ship, $14.00 test) About $200 for first radio and other gear Used equipment is available, too ($25 up)
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Join ARES Amateur Radio Emergency Service Must have ham radio license Continually learn about emergency communications
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ARES Has formal national agreements to provide emergency communications for –FEMA –Citizen Corps - DHS –American Red Cross –Salvation Army –Many other organizations
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ARRL American Radio Relay League –The national association for amateur radio –Founded in 1914 –Headquarters in Newington, CT –150,000 members strong –Primary source of ham radio information in the US
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Resources ARRL www.arrl.org/shop (Publications & Products)www.arrl.org/shop Ham Radio Outlet www.hamradio.com (Equipment – store in Sunnyvale, CA)www.hamradio.com Amateur Electronic Supply – AES www.aesham.com (Equipment -Las Vegas, nearest store)www.aesham.com Texas Towers www.texastowers.com (Equipment)www.texastowers.com MFJ Enterprises www.mfjenterprises.com (Equipment)www.mfjenterprises.com QRZ www.qrz.com (Used Equipment, Forums, Information, etc.)www.qrz.com Santa Cruz County ARES/RACES/ACS http://ares.santa-cruz.ca.us (local information) http://ares.santa-cruz.ca.us
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