Ham Radio Introduction

Ham Radio Introduction
Posted By: Crescent Security
Posted: Wed Aug 13 2008
Amateur Radio is regulated by the Federal Communications Commission (FCC) under the Communications Act of 1934. It is also su ...Click Here for full article

Electromagnetic Spectrum and US Radio Frequency Allocation

3 to 30 Hz	Extremely low frequency
	Naturally-occurring waves
30 hertz and 300 hertz	Super low frequency
60 hertz	AC power grids
76 hertz and 82 hertz	submarine communication
300 Hz to 3400 Hz	Voice frequency
85 to 155 Hz	typical adult male
165 to 255 Hz	typical adult female
10 kHz to 30 kHz	Very Low Frequency (VLF)
9 - 30 kHz	Power line carrier systems
30 kHz to 300 kHz	Low Frequency (LF)
70 - 90 kHz	Radiolocation, land or mobile
90 - 110 kHz	LORAN-C navigation system
300 kHz to 3 MHz	Medium Frequency (MF)
325 - 405 kHz	Radiobeacons for aircraft navigation
535 kilohertz to 1.7 megahertz	AM radio
3 MHz to 30 MHz	High Frequency (HF)
3.023 MHz	Maritime SSB Radiotelephone
5.9 megahertz to 26.1 megahertz	Short wave radio
13.36 - 13.41 MHz	Radio astronomy
26.96 megahertz to 27.41 megahertz	Citizens Band radio CB
30 MHz to 328.6 MHz	Very High Frequency (VHF)
38.0 - 38.25 MHz	Radio astronomy
54 to 88 megahertz	Television channels 2 through 6
88 megahertz to 108 megahertz	FM radio
174 to 220 megahertz	Television channels 7 through 13
328.6 MHz to 2.9 GHz	Ultra High Frequency (UHF)
40 megahertz	Garage door openers, alarm systems, etc
40 to 50 megahertz	cordless phones
49 megahertz	Baby monitors
72 megahertz	Radio controlled airplanes
75 megahertz	Radio controlled cars
215 to 220 megahertz	Wildlife tracking collars
406.0 - 406.1 MHz	Emergency Locator Transmitters (ELT)
433.5 - 434.5 MHz	RF ID tags
145 megahertz and 437 megahertz	MIR space station
824 to 849 megahertz	Cell phones
900 megahertz	900-MHz cordless phones
960 to 1,215 megahertz	Air traffic control radar
1,227 and 1,575 megahertz	Global Positioning System GPS
2290 megahertz to 2300 megahertz	Deep space radio communications
2.9 GHz to 30 GHz	Super High Frequency (SHF)
	modern Radars
	Wireless USB technology
30 GHz to 300 GHz	Extremely High Frequency (EHF)
46.7 - 46.9 GHz	Vehicle Radar Systems
300 GHz (1 mm) to 30 THz (10 μm)	Infrared
400 nm and 700 nm	Visible Light
	Ultra Violet
30 petahertz to 30 exahertz	X-Rays
the shortest wavelength	Gamma-Rays