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Q: Why are radios signals broadcast in kilohertz and megahertz?
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Can military radios broadcast signals that household radios can pick up on FM?

They could if they wanted to. But if they have military-type information to swap, thenthey really have no desire to do it in the FM commercial broadcast band at frequenciesbetween 88 and 108 MHz, where household radios are equipped to receive.


What was used to broadcast from the moon during the Apollo 11 mission?

The LM had an antenna array that could beam signals to Earth. When the astronauts were out on EVA, their suits had radios which beamed signals to the LM, which in turn sent the signals to Earth. The LM acted as relay between the Earth and the suit radios.


How did radios affect Popular culture?

Radios were first used to broadcast system for emergency use, then eventually use to broadcast baseball, presidential speeches, and so fourth.


How do XM radios work exactly?

XM radios use signals transmitted by satellites in order to broadcast. A signal is broadcast from the ground station and sent to one of two XM satellites that then are able to broadcast the signal to all the receivers owned by XM customers on the ground. The satellites take the signal they are sent, which is basically a mass of encoded data, and descramble the audio as well as the encrypted information with it which includes such things as the song title, artist, and genre in order to send them to the personal receivers in the correct format.


What is a bilinear amplifier?

it amplifies both the incomeing and outgoing signals on CB radios


Do crystal radio sets still work now that everything has gone digital?

Yes because only television signals from some stations have gone digital. Crystal radios will pick up stations broadcasting on the A.M. broadcast band (540k to 1600K). These signals are amplitude modulated and crystal radios pick these up really well. You could also use them for Shortwave and pick up some stations. Am, FM and shortwave are still not digital.


What is the highest and lowest radio signals that your radio signals that your radio can pick up for AM and FM?

Radio signals have several characteristics ... wavelength, field strength, amplitude, advertising cost,popularity, frequency, etc. The question doesn't specify which characteristic it wants measured in orderto name the "highest" and "lowest".We'll assume it's referring to the frequency of the various radio signals.In the USA, commercial AM broadcast stations all have carrier frequencies between 0.55 MHz and 1.7 MHz.Typical consumer AM radios are designed to operate across that range.In the USA, commercial FM broadcast stations all have carrier frequencies between 88 MHz and 108 MHz.Typical consumer FM radios are designed to operate across that range.


What can you use radiowaves for?

Radiowaves can be used for communication. Radio stations use radiowaves to broadcast their content to radios.


How people communicate using radios?

Morris code, tele-graph, light signals on ships.


How do boats communicate with one another?

They have radios stationed in all boats. <><><> Well, there are radios in MOST ships, and many boats. Besides radio, ships communicate with each other by horn signals. There is a standard set of signals that indicate actions that a ship is about to take.


How can an integrated circuit signal info?

Items such as radios and transistors use integrated circuit signals. They send signals by opening and closing electrical circuits in sequence.


Can you use two way radios to transmit video signals?

No the circuits are not designed to handle video frequency