Yes, on shortwave or HF radio (they are the same) the Super Bowl will be broad cast from multiple locations. It can be found at this link http://mt-shortwave.blogspot.com/2008/02/superbowl-xlii-by-shortwave-radio.html
I believe it means "High Frequency".
It is the ionosphere, a general region that includes all of the thermosphere and parts of the two bordering layers. In this region, between 60 and 1000 kilometers above the Earth, ionized particles refract and reflect radio waves back toward the ground. This enables radio transmissions that are normally "line of sight" only to reach over the horizon for hundreds or thousands of miles. This includes broadcast radio (HF) and shortwave bands.
The really nice thing about radio waves is that they will make the electrons in a piece of copper wire move; this means that they generate electric currents in the wire. In fact it works both ways: alternating currents in a copper wire generate electromagnetic waves, and electromagnetic waves generate alternating currents. The electric currents at "radio frequencies" (rf) are used by radio and television transmitters and receivers. I use frequencies of 145MHz (VHF), 14MHz (20m HF) and 3.7MHz (80m HF).
Using HF (high frequency 3-30mHz) to talk to area hams in a converstional format Using HF to communicate with hams in other parts of the US and around the world Contesting . . . see how many other hams you can contact in the contest period. Message handling for military person . . . MARS (Military Affiliate Radio Service) Emergency message handling . . . ARES Providing backup battery-powered communications on the ground for police, fire, and other responders during emergencies that take down their regular radio service. Search and Rescue . . . providing communications in remote areas.
WARC stands for World Administrative Radio Conference which is organised by the International Telecommunications Union. The conference sets up international agreements on the use of radio frequency bands. One advantage of the 1979 conference was the allocation of new frequency bands for amateur radio use on HF. These bands are 30m, 17m & 12m and are generally referred to as the WARC bands.
radio shack
An HF transceiver can be purchased from many electrical shops or stores providing home radio equipment. They are used in local and in ham radio services.
I believe it means "High Frequency".
Energy of radio signal E = hf, Planck's constant times the frequency.
The organization HF Radio Club offers many services including GPS tracking, SMS messaging, phone calls, more channels and bases and other services are also offered.
R. Harun has written: 'Techniques of channel estimation for HF radio links'
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an overview of the basics of solar flares and other disturbances including CMEs and how they affect ionospheric HF radio propagation conditions for two way radio communications, maritime mobile radio communications, point to point radio communications and radio broadcasting.
26B typically refers to the specific frequency band within the HF (high frequency) spectrum, specifically around 26 MHz. This band is commonly used for various radio communication purposes, such as amateur radio, shortwave broadcasting, and maritime mobile communications.
the interior of what? in Australia school kids use satelite internet, and hf radio.
a device attached to a land line tele phone for connecting a HF,VHF radio set for communication
Kent Leslie Jones has written: 'An analysis of predictive adaptive routing in a HF packet radio network' -- subject(s): Packet transmission, Computer simulation, Radio, Ionospheric radio wave propagation