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Which country banned FM?
Norway
Norway has become the world’s first country to shutdown the Frequency Modulation (FM) radio broadcasting network and started its’ switching to Digital Audio Broadcasting (DAB) that offers a wider range of broadcasting options and greater sound quality.
How far will a 15 watt FM transmitter go?
At 15 watts, the range increases to 5 miles, at 40 watts to 10 miles and at 100 watts to 15 miles. The general rule of thumb is it will take four times the power to double the transmission distance. Increase the transmission range of the FM antenna without increasing the power by raising the antenna.
How far will a 50 watt FM transmitter go?
If 50 Watt ERP is used, it’s very likely that 20 miles of range will be achieved. This is because 50 Watt ERP is ample power to propagate a strong signal 20 miles. If a 1000 Watts of power is used, it is very likely that signal will only propagate just over 20 miles.
What is the range of an FM transmitter?
If the antenna can see 20 miles, but say 1 Watt ERP of power used, it’s very likely that about 1 mile of range will result. This is quite simply because there is not enough power to propagate the signal 20 miles.
Range and power of portable and mobile radios have an interesting relationship. With both portables and mobiles, the radio converts radio power into radio frequency power and is radiated out of the antenna. Range of a radio is dependent on both the power that’s available to it and also the frequency in which it’s working.
What is the effective range of a low power radio?
On the AM broadcast band, these devices are limited to an effective service range of approximately 200 feet (61 meters). See 47 CFR Sections 15
What was the original FM radio frequency range?
Early FM broadcasting in North America originally used the 42–50 MHz band (this range was also used by a class of experimental wideband AM stations known as apex broadcasters).