150 MHz is in this band that falls between HF & UHF
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VHF - Wikipedia  Very high frequency (VHF) is the ITU designation for the range of radio frequency electromagnetic waves (radio waves) from 30 MHz to 300 MHz, with corresponding wavelengths of ten to one meters. Frequencies immediately below VHF are denoted high frequency (HF), and .... The VHF TV band in Australia was originally allocated channels 1 to...
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2-Way Radio Range: How Far Can Two-Way Radios Communicate?  They are Ultra High Frequency (UHF) radio and Very High Frequency (VHF) radio. ... The UHF radio band for commercial radios is between 400 to 512 MHz.
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UHF - Wikipedia  Ultra high frequency (UHF) is the ITU designation for radio frequencies in the range between 300 MHz and 3 GHz, also known as the decimetre band as the wavelengths range from one meter to one decimetre. Radio waves with frequencies above the UHF band fall into the SHF ... frequency signals fall into the VHF (very high frequency) or lower bands.
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Radio HF/VHF/UHF  HF (High frequency) radio frequencies are between 3 and 30 MHz. ... Radio waves with frequencies above the UHF band fall into the SHF (super high...
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Amateur radio frequency allocations - Wikipedia  Amateur radio frequency allocation is done by national telecommunications authorities. ... Specific frequency allocations vary from country to country and between ITU .... The 6 meter amateur band falls into this category, often called 'The Magic Band' ... This may make for smoggy/foggy days but it also causes VHF/UHF radio...
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Radio's First Message -- Fessenden and Marconi - IEEE Canada  Fessenden and Marconi: Their Differing Technologies and Transatlantic ... caliber, R.N. Vyvyan and others, to form the team with which he surrounded himself. ... Figure 1: Marconi's antenna system at Poldhu, Cornwall, December 1901. ..... requesting that the Morse letter " S " be transmitted continuously from 3:00 to 7:00...
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Crystal radio - Wikipedia  For crystal-controlled oscillators (as used in radios), see Crystal oscillator. "Crystal set" redirects here. For the Australian rock band, see The Crystal Set. Boy listening to a modern crystal radio. A crystal radio receiver, also called a crystal set or cat's whisker receiver, is a very simple radio ... Early radio telegraphy used spark gap and arc transmitters as well as...
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Improving Your Reception | Community Radio WERU FM 89.9 Blue ...  If you have a TV antenna already installed, purchase a FM Splitter at a radio ... Experiment attaching wires to one screw and then the other to see what gets the ... Other portable-type radios have telescoping antennas that may be improved by ... That length of wire might get thrown in the tree next to your garden as your are...
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Frequency - Science Clarified  Of course, people cannot "hear" radio and television frequenciespart of the .... Frequency in oscillation is the number of cycles per second, and in wave motion, it is the ... 103 or 1,000 cycles per second); megahertz (MHz; 106 or 1 million cycles per second); .... In between is the 88 to 108 MHz band, assigned to FM radio.
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J! Archive - Show #4289, aired 2003-04-03  Apr 3, 2003 ... Thanks to firms like Pegaso & Telmex, this country now has more cellular users ... 44 GM models offer this wireless service that now has over...
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AM, FM Radio Waves and Sound - CyberCollege  May 28, 2013 ... These are the numbers you see on your AM radio dial. ... Stations can theoretically be placed every 10KHz, along the AM band. ... The FM radio band goes from 88 to 108 MHz (megahertz, or millions of cycles per second). ... The first type of radio service  the one we've been talking about in the last couple...
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Ionosphere - Wikipedia  The ionosphere is a region of Earth's upper atmosphere, from about 60 km (37 mi) to 1,000 km ... The ionosphere is a shell of electrons and electrically charged atoms and .... Double-hop reception over 3,500 km (2,200 mi) is possible. ... high frequency (HF, or shortwave) radio communications over long distances.
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Radio wave - Wikipedia  Radio waves are a type of electromagnetic radiation with wavelengths in the electromagnetic ... Artificially generated radio waves are used for fixed and mobile radio .... A 1 megahertz radio signal has a wavelength of 299.8 meters (984 ft).
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jeopardy/1273_Qs.txt at master  jedoublen/jeopardy  GitHub  I bet you want an <http://www.j-archive.com/media/2006-10-03_DJ_10a.jpg> RC car with a 49 MHz signal; RC can stand for "remote control" or this "control"...
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Radio frequency - Wikipedia  Radio frequency (RF) is any of the electromagnetic wave frequencies that lie in the range extending from around 3 kHz to 300 GHz, which include those frequencies used for communications or radar signals. RF usually refers to electrical rather than mechanical oscillations.
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VHF Communications 1969  1986 | Jamesundermore's Blog  Dec 5, 2010 ... VHF Communications, Years 1969 - 1986 A quarterly Magazine devoted to VHF UHF Communications Rapidshare Links...
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Skywave - Wikipedia  Radio waves (black) reflecting off the ionosphere (red) during skywave propagation. In radio communication, skywave or skip refers to the propagation of radio waves reflected or ... It is mostly used in the shortwave frequency bands. As a result of skywave propagation, a signal from a distant AM broadcasting station,...
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Chapter 2: Communications - National Search and Rescue Council  However, some maritime communications stations may still use the voice alarm signal consisting of two sinusoidal audio frequency tones, one of 2200 Hz ... communications after an initial DSC distress alert on 2187.5 kHz for GMDSS shipping. ... 2.2.16 156.3 MHz (Marine VHF Channel 6) is used for coordination at the...
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Conversion of the radio frequency to wavelength and vice versa ...  Worldwide FM radio is operating in VHF band II between 87.5 MHz and 108.0 MHz. Band name, Abbreviation, ITU band, Frequency and wavelength, Example uses ... 30300 MHz 10 m  1 m, FM, television broadcasts and line-of-sight ground-to-aircraft and aircraft-to-aircraft ... Ultra high frequency, UHF, 9, 300  3000 MHz
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Frequency bands - RADIO WAVES below 22 kHz  For too many times I've seen wrong usage of terms like VLF, ELF and similar. ... purposes, the usable frequency spectrum now extends from about 3Hz to about 300GHz. There are ... UHF, ultrahigh frequency, 300MHz to 3000MHz, 1m to 10cm.
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Glossary of Terms  Support & Information  A/B Switch  A device that allows two devices to connect to a single signal source, ... This indicates the RF channel a TV station uses to transmit its programming. ... A device used in TV signal distribution networks to divide a single cable into two .... weak signal is increased (amplified) before it enters the transmission line.