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my Twitter account at https://twitter.com/GiellaW4hm .. ---------------------------------------. #95 Issued on Thursday April 20, 2017 at 1130 UTC. Global Daily HF Radio Wave Propagation Forecast-. HAMATEUR & SW BROADCAST HF BANDS:. Global generalized HF radio wave propagation conditions are. poor to fair on 10-80 (11-75) meters. NORTHERN HEMISPHERE RADIO WAVE PROPAGATION-. 80-60 (75-60) meters- fair at night and poor at day,. 40-30 (41-25) meters- fair at night and fair at day,. 20-17 (22-16) meters- very poor at night and fair at day,. 15 (13) meters- very poor at night and poor at day,. 12-10 (11) meters- very poor at night and very poor at day.. SOUTHERN HEMISPHERE RADIO WAVE PROPAGATION-. 80-60 (75-60) meters- fair at night and poor at day,. 40-30 (41-25) meters- fair at night and fair at day,. 20-17 (22-16) meters- very poor at night and fair at day,. 15 (13) meters- very poor at night and poor at day,. 12-10 (11) meters- very poor at night and very poor at day.. Received RF signal ...
critical frequency (FoF2).. Global Daily HF Radio Wave Propagation Forecast-. HAMATEUR & SW BROADCAST HF BANDS-. NORTHERN HEMISPHERE RADIO WAVE PROPAGATION-. 80-60 (75-60) meters- poor to fair at night and very poor at day,. 40-30 (41-25) meters- fair at night and poor at day,. 20-17 (22-15) meters- fair at night and fair at day,. 15 (13) meters- poor at night and fair at day,. 12(11) meters- very poor at night and poor to fair at day.. 10 (11) meters- very poor at night and poor at day.. SOUTHERN HEMISPHERE RADIO WAVE PROPAGATION-. 80-60 (75-60) meters- good at night and poor at day,. 40-30 (41-25) meters- good at night and fair at day,. 20-17 (22-15) meters- very poor at night and good at day,. 15 (13) meters- very poor at night and fair to good at day,. 12 (11) meters- very poor at night and fair at day.. 10 (11) meters- very poor at night and poor at day.. Received RF signal strength scale-. Very Good- +1 over S9 Or ...
Cell phone signals are transmitted through the medium of electromagnetic waves. The types of waves that make up the electromagnetic spectrum include (in part) radio waves, microwaves, infrared waves and visible light waves.DefinitionA "cell phone wave," if you want to call it that, is actually a microwave encoded with a cell phone signal.DistinctionRadio waves have longer wavelengths but shorter frequencies as compared to microwaves. Microwaves also contain more energy than radio waves.Frequency RangesRadio waves are the lowest part of the electromagnetic spectrum. The radio wave frequencies range from approximately 1 hertz to 300 megahert...
Mighty Marks special guest mix for Turban, Radio Wave which previously aired on Czech Republic radio stationFM station Radio Wave is now available on Soundcloud. Stream below.. ...
A detectable device attachable to a movable item for detecting movement. Radio waves having a predetermined frequency are received by the detectable device, and radio waves having a harmonic frequency of the received waves are reradiated from the detectable device. The detectable device comprises a dipole antenna for receiving radio waves with said predetermined frequency, a diode connected in parallel to feed points of the dipole antenna for generating an electric current having a harmonic frequency of said received radio waves. A loop antenna is provided whose feed points are connected in parallel to feed points of the diode for converting the electric current having the harmonic frequency to radio waves for transmitting the radio waves at the harmonic frequency.
TU/e researcher Hao Gao as developed a tiny transmitting temperature sensor that is powered by radio waves, eliminating the need for wires or batteries. Instead, it picks up radio waves from a special router, converts them into electricity, and uses it to transmit readings.
Lyrics to Radio Waves by Omd: From the transmitter, to the receiver. / Across the ether, out of your speaker. / Chorus: / Radio waves have
Radio Waves (EP) is a music singles/eps/fan club/promo recording by ROGER WATERS (Crossover Prog/Progressive Rock) released in 1987 on cd, lp / vinyl and/or cassette. This page includes Radio Waves (EP)s : cover picture, songs / tracks list, members/musicians and line-up, different releases details, free MP3 download (stream), buy online links: ebay and amazon, ratings and detailled reviews by our experts, collaborators and members.
Radio Waves News. Find breaking news, commentary, and archival information about Radio Waves From The tribunedigital-orlandosentinel
Shop for radio waves framed prints designed by millions of artists from all over the world. Each museum-quality framed print may be customized with hundreds of different frame and mat options. Our radio waves framed art prints ship within 48 hours and include a 30-day money-back guarantee.
New radio wave technique could detect alien planets, receive interstellar tunes and because exoplanets often have decades-long orbits, meaning you could spend a lot of lonely nights fruitlessly searching the skies.Scientists at the University of Leicester in England developed a new approach,, they are looking for radio waves emitted when ultraviolet flares light up the atmospheres of planets like Saturn and Jupiter................
... AIM OF PROJECT The discussion of the concepts of radio over fiber technology and its techniques for transporting radio signals over optical fiber 1. RADIO WAVE Radio waves propagate (travel) much like surface water waves. They travel near the Earths surface and also radiate skyward at various angles to the Earths surface. As the radio waves travel, their energy spreads over an ever components, a crest (top portion) and a trough (bottom portion). These components travel outward from the transmitter, one after the other, at a constant velocity (speed). The distance between successive wave crests is called a wavelength Fig (1) Freq. and wavelength The electromagnetic wave spectrum is shown in Figure 2.the part usable for radio communication ranges from below 10 kHz to over 100 GHz 1. RADIO WAVE Figure 2: The radio frequency spectrum 2. OPTICAL COMMUNICATION A communication system transmits information from one place to another, whether separated by a few kilometers. Information ...
Global RF Power Meters Sales Market Report 2018 1 RF Power Meters Market Overview 1.1 Product Overview and Scope of RF Power Meters 1.2 Classification of RF Power Meters by Product Category 1.2.1 Global RF Power Meters Market Size (Sales) Comparison by Type (2013-2025) 1.2.2 Global RF Power Meters Market Size (Sales) Market Share by Type (Product Category) in 2017 1.2.3 Benchtop 1.2.4 Portable 1.2.5 Modular 1.3 Global RF Power Meters Market by Application/End Users 1.3.1 Global RF Power Meters Sales (Volume) and Market Share Comparison by Application (2013-2025) 1.3.2 Telecommunications 1.3.3 Consumer Electronics 1.3.4 Automotive 1.3.5 Aerospace & Defense 1.3.6 Industrial 1.3.7 Medical 1.3.8 Research & Education 1.4 Global RF Power Meters Market by Region 1.4.1 Global RF Power Meters Market Size (Value) Comparison by Region (2013-2025) 1.4.2 United States RF Power Meters Status and Prospect (2013-2025) 1.4.3 China RF Power Meters Status and Prospect (2013-2025) 1.4.4 Europe RF Power Meters ...
Theres a lot we dont know about the galactic center, and a lot we want to learn," says lead author Idan Ginsburg of the Harvard-Smithsonian Center for Astrophysics (CfA). "Using this technique, we think we can find stars that no one has seen before." The long path from the center of our galaxy to Earth is so choked with dust that out of every trillion photons of visible light coming our way, only one photon will reach our telescopes. Radio waves, from a different part of the electromagnetic spectrum, have lower energies and longer wavelengths. They can pass through the dust unimpeded.. On their own, stars arent bright enough in the radio for us to detect them at such distances. However, if a star is traveling through gas faster than the speed of sound, the situation changes. Material blowing off of the star as a stellar wind can plow into the interstellar gases and create a shock wave. And through a process called synchrotron radiation, electrons accelerated by that shock wave produce radio ...
Astronomers have located the origin of mysterious radio waves that have baffled them for a decade. The fast radio burst, or FRB 121102, has been traced to a...
An anonymous reader writes to tell us that a company has demonstrated a new form of wireless communication that uses light instead of radio waves. Its inventor, St. Cloud resident John Pederson, says visible-light embedded wireless data communication is the next step in the evolution of wireless c...
U.S. doctor links radio waves from cell phone towers to cancer, Azheimers, senility, dementia, Parkinsons and Autism by Dr. Joseph Mercola (...)
As more people stream video to their mobile devices, wireless bandwidth is becoming an increasingly precious commodity. Data traffic increased 8,000 percent in the past four years on AT&Ts network alone. In trying to avoid what the Federal Communications Commission calls a "looming spectrum crisis," telecommunications companies are lobbying the government to assign them more spectrum space in the 300- to 3,000-megahertz range, the sweet spot for wireless communication. But Italian astrophysicist Fabrizio Tamburini says a solution may lie in making better use of the frequencies already in use. In a recent paper, he demonstrated a potential way to squeeze 100 times more bandwidth out of existing frequencies.. The idea is to twist radio waves like corkscrews and create multiple subfrequencies, distinguished by their degree of twistedness. Each subchannel carries discrete data sets. "You can tune the wave with a given frequency as you normally do, but there is also a fingerprint left by the twist," ...
People with high blood pressure who do not respond to drugs may be able to have the condition treated successfully by deactivating nerves in their kidneys, new research suggests. A small study of the experimental treatment, which involves radio waves to destroy renal nerves involved in regulating hypertension, has shown that patients had their blood pressure lowered significantly. About half of all patients with hypertension are unable to reduce their blood pressure to accepted targets with drugs, diet, lifestyle interventions and other healthcare products. Scientists said that for these patients the new treatment could address the condition permanently, reducing risk of death and hypertension-related illness substantially. The treatment involves a tube pushed into a blood vessel in the groin, much like the angioplasty procedures for…. ...
Musicians:Rob Schneiderman - piano Brian Lynch - trumpet Ralph Moore - tenor sax Gary Smulyan - baritone sax Todd Coolman - bass Jeff Hirshfield - drumsDescription:The material for Radio Waves was developed during countless laboratory sessions in Robs New York City loft. The free-spirited arrangements and high-intensity blowing combine the power of a large ensemble with the spontaneity of a small group. Joining Rob are Brian Lynch on trumpet, Ralph Moore on tenor saxophone, Gary Smulyan on baritone saxophone, Todd Coolman on bass, and Jeff Hirshfield on drums. Seven of the nine tracks are Schneiderman originals: Extra Time, Gravitation, Slapdance-Tapstick, Been There Before, The Juggler, Twelve Tones of Blue, and the title tune. Also included are intriguing arrangements of the Rogers and Hart classics Blue Moon and Theres a Small Hotel. ...a communicative modern jazz of rich colors and intricate designs --Down Beat
The paper deals with propagation of radio waves in multimode waveguides of arbitrary height. In this work the boundaries are assumed to be perfectly reflec
Scientists probing Mercurys surface with radio waves now believe that the closest planet to the sun has a hot equator but no internal heat source, as previously thought. They have no clues as to
A Lyons area woman with no academic pedigree has published a scientific paper in the International Journal of Forestry Research about the adverse effects of radio waves on aspen seedlings.
In Da Club: Radio Waves Volume 3 (Summer 2012) Trance | VA 320 kbps | MP3 | unmixed | 23 August 2012 | 03:00:28 | 419 Mb Uploaded: turbobit.net, uploaded.net, rapidgator.net In Da Club: R
In this fun science fair project idea learn about the multiple sources of radio waves and fin out how difficult it is to block them.
Radio Waves stock music and background music ... 663 stock music clips and loops. Production music starting at $20. Download and buy high quality tracks. BROWSE NOW |||
Originally Posted by jackalope Oh Good Lord .... am radio waves are bad? I dont think Ive ever read one article about ELF activities that has made s
Magnapop - Radio Waves Lyrics. Stick a message in my mind I would open any time Open up to see you Any time Youre living in a hotel Guarded by a camera And I can never s
Medjugorje Radio WAVE (2018-02-08): You might be surprised by the answer. We re-visit an amazing and prophetic message from last weeks Mejanomics, as well as a Friend of Medjugorje showing how many things can change so quickly.
youtube]http://www.youtube.com/watch?v=XNheX-E2z7g[/youtube]. http://www.emfnews.org/headset.html. Cell phones are really just radio transmitters emitting signals through radio waves. These waves are a form of electromagnetic radiation, or EMR. When the cell phone is turned on it locates itself by broadcasting a series of signals to the cell phone carriers closest cell phone tower. The carrier then relays that information to the nearest mobile telephone switching office. When making a call the phone sends its data to the carriers nearest tower, to the switching office and then to the switching office in the area code of the number being called. Once the connection is made the cell phones transmitter packages your voice or text data onto a second radio wave that is created for the purpose of transmitting the information. This second wave is called the Information-Carrying Radio Wave, or ICRW. When the call is received by the recipients switching office a connection is made through the nearest ...
In the second part of the thesis radio wave propagation at millimeter-wave frequencies was studied. In this work empirical characterization of scattering patterns of two built surfaces, i.e. brick and glass wall, was done. This information can be utilized in geometry-based channel modelling. In addition, we performed ray tracing simulations with the antenna structures developed in the first part of the thesis, in a conference room scenario to estimate optimum antenna configuration. To evaluate realistic conditions of radio wave propagation in indoor environments, human shadowing was also considered. It was shown that the preliminary information about radio wave propagation in the defined scenario can be obtained by performing ray tracing simulations and realistic antenna configurations can be replaced with Gaussian shaped antenna patterns before final antenna design development ...
The first primitive radio transmitters (called Hertzian oscillators) were built by German physicist Heinrich Hertz in 1887 during his pioneering investigations of radio waves. These generated radio waves by a high voltage spark between two conductors. Beginning in 1895, Guglielmo Marconi developed the first practical radio communication systems using these transmitters. Spark transmitters couldnt transmit audio (sound) and instead transmitted information by radiotelegraphy, the operator tapped on a telegraph key which turned the transmitter on and off to produce pulses of radio waves spelling out text messages in Morse code. These spark-gap transmitters were used during the first three decades of radio (1887-1917), called the wireless telegraphy or "spark" era. Because they generated damped waves, spark transmitters were electrically "noisy". Their energy was spread over a broad band of frequencies, creating radio noise which interfered with other transmitters. Two short-lived competing ...
Vitamins E and C reduce oxidative stress in rat endometrium exposed to 900 MHz radiofrequency fields emitted from mobile phones The authors examined 900 MHz mobile phone-induced oxidative stress that promotes production of reactive oxygen species (ROS) and investigated the role of vitamins E and C, which have antioxidant properties, on endometrial tissue against possible mobile phone-induced endometrial impairment in rats. The animals were randomly grouped (eight each) as follows: 1) Control group (without stress and radiofrequency (RF) radiation), 2) sham-operated rats stayed without exposure to RF radiation (exposure device off), 3) rats exposed to 900 MHz RF radiation (RF radiation group) and 4) a 900 MHz exposed + vitamin-treated group (RF radiation + Vit group). A 900 MHz was applied to RF radiation and RF radiation + Vit group 30min/day, for 30 days using an experimental exposure device. Endometrial levels of nitric oxide (NO, an oxidant product) and malondialdehyde (MDA, an index of lipid ...
SOMC surgeon Dr. Henry Childers is now providing a new approach in varicose vein treatment, using radio waves in a tube to shrink and close the diseased veins in a less invasive procedure. The tube is inserted (left), radio waves are emitted (center) to collapse the vein and the tube is removed (right).. Southern Ohio Medical Center has announced that Dr. Henry Childers is now performing a procedure that treats the underlying cause of painful varicose veins.. Dr. Childers is one of the first physicians in the area to use the VNUS ClosureFAST catheter, a tube that uses radio waves to heat, shrink and close diseased large leg veins in approximately three minutes of RF treatment.. The entire ClosureFAST procedure, from insertion of the catheter to removal, generally takes less than 20 minutes with little pain or bruising for the patient, Dr. Childers said.. "Patients are very happy with this treatment approach and were very pleased to be able to bring it to our community," Dr. Childers said. ...
Now, years later, sitting in a chemo chair with an IV dripping poison into his veins, Kanzius thought back to that strange quirk of nature. If radio waves could heat metal while leaving the rest of the body untouched, then perhaps they could also kill malignant cells while leaving the healthy ones untouched. And so he began to experiment. He set up a transmitter in his garage using a couple of his wifes pie pans, stuck a metal probe into a raw hotdog, and blasted it with radio waves. The metal probe got warm; hot enough to start to cook the hotdog next to it, while the remainder stayed cold. A big idea was born. A better way. As Johns disease progressed he eventually began to receive care at M.D. Anderson in Houston, one of the worlds premier cancer centers. He explained his radio wave concept to his oncologist, who in turn introduced him to Dr. Steven Curley, who was, well, skeptical. But the more John talked about the science behind his idea, the more Dr. Curley came to believe that the ...
A radio base station apparatus (101) transmits and receives radio signals to and from a radio terminal apparatus (202) in a communication system in which the radio terminal apparatus (202) performs movements, whereby the radio terminal apparatus (202) can communicate with a plurality of radio base station apparatuses. The radio base station apparatus (101) comprises: a terminal power information acquiring unit (22) for acquiring terminal power information indicating the degree of change, relative to the positional change of the radio terminal apparatus (202), in the radio signal reception power of the radio terminal apparatus (202) residing within a cell formed by the local radio base station apparatus; and a movement control unit (12) for controlling the timing of the movement of the radio terminal apparatus (202) from the local radio base station apparatus to another radio base station apparatus on the basis of the terminal power information acquired by the terminal power information acquiring
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Radiofrequency radiation (RFR), e.g. electromagnetic waves emitted by our cell phones and Wi-Fi, are referred to as non-ionizing. This means that in contrast to the ionizing radiation, which does induce ionization of water and biologically important macromolecules, RFR does not have a capacity for such effects. Unlike, for example X-rays, the energy of RFR is not enough to break electrons off the molecules. However, is RFR completely safe for public health? Traditionally, the.... Key words: Cancer; Electrohypersensitivity; Oxidative stress; Radiofrequency radiation ...
Headline: Bitcoin & Blockchain Searches Exceed Trump! Blockchain Stocks Are Next!. The Radio Market report covers market characteristics, size and growth, segmentation, regional and country breakdowns, competitive landscape, market shares, trends and strategies for this market. It traces the markets historic and forecast market growth by geography. It places the market within the context of the wider Radio market, and compares it with other sectors.. The Radio Market comprises of establishments producing and transmitting audio programs to the public. This is mainly done through radio networks and radio stations. Radio networks create, package, and sell content to radio stations, that operates FM/AM equipment to send and receive radio waves to broadcast and communicate the programs. The market is further classified into broadcast radio and satellite radio, and it does not include internet or web radio.. Browse more detail information about Radio at: http://www.absolutereports.com/10468694. The ...
Headline: Bitcoin & Blockchain Searches Exceed Trump! Blockchain Stocks Are Next!. The Radio Market report covers market characteristics, size and growth, segmentation, regional and country breakdowns, competitive landscape, market shares, trends and strategies for this market. It traces the markets historic and forecast market growth by geography. It places the market within the context of the wider Radio market, and compares it with other sectors.. Browse more detail information about Radio Market at: http://www.absolutereports.com/10275836. The Radio Market comprises of establishments producing and transmitting audio programs to the public. This is mainly done through radio networks and radio stations. Radio networks create, package, and sell content to radio stations, that operates FM/AM equipment to send and receive radio waves to broadcast and communicate the programs. The market is further classified into broadcast radio and satellite radio, and it does not include internet or web ...
While "traditional" (if there is such a thing) wireless power systems are specifically designed with a transmitter and receiver in mind, Nokias system isnt finicky about where it gets its wireless waves. TV, radio, other mobile phone systems -- all of this stuff just bounces around the air and most of it is wasted, absorbed into the environment or scattered into the ether. Nokia picks up all the bits and pieces of these waves and uses the collected electromagnetic energy to create electrical current, then uses that to recharge the phones battery. A huge range of frequencies can be utilized by the system (theres no other way, really, as the energy in any given wave is infinitesimal). Its the same idea that Tesla was exploring 100 years ago, just on a tiny scale ...
This great QSL Card was in my mailbox when I got home last night - real mailbox! Even more remarkable, it crossed the Atlantic in just 4 days - I submitted the report Sunday! An email reply came back in a few hours after I sent in the report stating that a reply would be forthcoming ...
After years of bold theorizing, Bo Thide of the Swedish Institute of Space Physics and a team in Italy have finally proven that it’s possible to simultaneously transmit multiple radio channels over exactly the same wireless frequency. In theory, according to Thide, we could potentially transmi...
If youve ever had an MRI (magnetic resonance image) youll know they give amazingly clear pictures of our insides. And they do it using plain old radio waves, water and resonance. The hydrogen atoms in water are just protons, and those protons act like tiny magnets. The protons have a resonant frequency that they vibrate at under the right conditions (ie inside the huge magnetic field of an MRI machine). And that resonant frequency is in the radio range. So when youre in the MRI machine, radio waves are hitting the water in your body, making the protons (hydrogen atoms) vibrate (resonate) at that same frequency. Vibrating protons give off their own radio signal, and that signal is used to build a picture of your watery leg/brain/belly. Its magnetic. Its resonance. Its imaging. Resonance also plays a crucial role in our ability to see - resonating electrons are responsible for our visible world. If you see something, its because electrons in that thing are absorbing frequencies (colours) of ...
To make it easier to diagnose and study sleep problems, researchers at MIT and Massachusetts General Hospital have devised a new way to monitor sleep stages without sensors attached to the body. Their device uses an advanced artificial intelligence algorithm to analyze the radio signals around the person and translate those measurements into sleep stages: light, deep, or rapid eye movement (REM).
The MRI machine is a large, cylindrical (tube-shaped) machine that creates a strong magnetic field around the patient. The magnetic field, along with a radiofrequency, alters the hydrogen atoms natural alignment in the body. Computers are then used to form a two-dimensional (2D) image of a body structure or organ based on the activity of the hydrogen atoms. Cross-sectional views can be obtained to reveal further details. MRI does not use radiation, as do X-rays or computed tomography (CT scans).. A magnetic field is created and pulses of radio waves are sent from a scanner. The strong magnetic field causes the hydrogen atoms in your body to align along the same axis. The radio waves knock the nuclei of the atoms in your body out of this aligned position. As the nuclei realign back into proper position, they send out radio signals. These signals are received by a computer that analyzes and converts them into an image of the part of the body being examined. This image appears on a viewing ...
The MRI machine is a large, cylindrical (tube-shaped) machine that creates a strong magnetic field around the patient. This magnetic field, along with a radiofrequency, alters the hydrogen atoms natural alignment in the body. Computers are then used to form two-dimensional (2D) images of a body structure or organ based on the activity of the hydrogen atoms. Cross-sectional views can be obtained to reveal further details. MRI does not use radiation, as do x-rays or computed tomography (CT scans).. A magnetic field is created and pulses of radio waves are sent from a scanner. The radio waves knock the nuclei of the atoms in your body out of their normal position. As the nuclei realign back into proper position, the nuclei send out radio signals. These signals are received by a computer that analyzes and converts them into an image of the part of the body being examined. This image appears on a viewing monitor. Some MRI machines look like narrow tunnels, while others are more open.. Magnetic ...
A radio host in Seoul is on a mission to reach North Koreans over the airwaves. Reuters Ju-min Park says more North Koreans are tuning in to foreign stations in order to learn about whats going on outside the countrys tightly-controlled borders.
It was a moment meant for jubilation.. Words seemingly could not describe the elation that overwhelmed the Diamondbacks faithful that famous night in November as Luis Gonzalezs flare sailed out of the reach of Yankees shortstop Derek Jeter to clinch Game 7 and the 2001 World Series championship for Arizona. The franchise was celebrating its finest moment in history. Diamondbacks Spanish broadcasters Miguel Quintana and Oscar Soria were celebrating theirs as well.. The Diamondbacks duo somehow found the words.. "It was fantastic," said Soria, who serves as the color commentator. "There had not been a more dramatic World Series that I remember because it meant so much to so many people. It was right after Sept. 11, and it was an emotional time to be in the United States. There will never be another one like that.". The Diamondbacks are one of 14 teams that regularly broadcast baseball games in Spanish, and Quintana and Soria broadcast all 162 of them. Along with radio analyst Richard Saenz -- ...