May 2020
Intermediate to advanced
262 pages
6h 48m
English
Content preview from Hands-On Edge Analytics with Azure IoT
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Medium frequency
The medium frequency band sits between 300 kHz and 3 MHz with wavelengths of 1 km and 100 m respectively. One of the most popular applications using this frequency range is AM radio. AM radio is based on technology developed in the early 1900s and saw widespread adoption in the 1920s.
Have you ever listened to the radio and wondered what the number representing the radio station meant? In Toronto, Canada, for example, there is a radio station on the AM band called 680 News. The 680 actually refers to the frequency that is used to broadcast this station, 680 kHz:
The AM in AM radio stands for amplitude modulation, a method ...
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