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  2. Clear-channel station - Wikipedia

    en.wikipedia.org/wiki/Clear-channel_station

    List of clear-channel stations. The following two tables show all of the class-A stations in North America. First is the Canada, Mexico, and contiguous United States table, for the former class I-A and class I-B stations. General Order 40 allocations are in bold. Second is the Alaska table, for the former class I-N stations.

  3. List of WLAN channels - Wikipedia

    en.wikipedia.org/wiki/List_of_WLAN_channels

    Wireless LAN (WLAN) channels are frequently accessed using IEEE 802.11 protocols. The 802.11 standard provides several radio frequency bands for use in Wi-Fi communications, each divided into a multitude of channels numbered at 5 MHz spacing (except in the 45/60 GHz band, where they are 0.54/1.08/2.16 GHz apart) between the centre frequency of the channel.

  4. XM Satellite Radio - Wikipedia

    en.wikipedia.org/wiki/XM_Satellite_Radio

    The termination resulted in Clear Channel Investments, Inc. paying Bear Stearns a total of $83.1 million, which was the value of Clear Channel's stake in XM. The accreted value of the debt was $92.9 million, and the fair value of the collar was an asset of $6.0 million, which resulted in a net gain of $3.8 million for Clear Channel.

  5. QAM (television) - Wikipedia

    en.wikipedia.org/wiki/QAM_(television)

    QAM (television) Appearance. QAM is a digital television standard using quadrature amplitude modulation. It is the format by which digital cable channels are encoded and transmitted via cable television providers. QAM is used in a variety of communications systems such as Dial-up modems and WiFi. In cable systems, a QAM tuner is linked to the ...

  6. Traffic message channel - Wikipedia

    en.wikipedia.org/wiki/Traffic_message_channel

    Traffic Message Channel ( TMC) is a technology for delivering traffic and travel information to motor vehicle drivers. It is digitally coded using the ALERT C or TPEG protocol into Radio Data System (RDS) [1] carried via conventional FM radio broadcasts. It can also be transmitted on Digital Audio Broadcasting or satellite radio.

  7. iHeartMedia - Wikipedia

    en.wikipedia.org/wiki/IHeartMedia

    iHeartMedia, Inc., or CC Media Holdings, Inc., is an American mass media corporation headquartered in San Antonio, Texas. It is the holding company of iHeartCommunications, Inc., formerly Clear Channel Communications, Inc., a company founded by Lowry Mays and Red McCombs in 1972, and later taken private by Bain Capital and Thomas H. Lee Partners in a leveraged buyout in 2008.

  8. Time-division multiple access - Wikipedia

    en.wikipedia.org/wiki/Time-division_multiple_access

    Time-division multiple access ( TDMA) is a channel access method for shared-medium networks. It allows several users to share the same frequency channel by dividing the signal into different time slots. [1] The users transmit in rapid succession, one after the other, each using its own time slot. This allows multiple stations to share the same ...

  9. Near-field communication - Wikipedia

    en.wikipedia.org/wiki/Near-field_communication

    Near-field communication (NFC) is a set of communication protocols that enables communication between two electronic devices over a distance of 4 centimetres (1.6 in) or less. NFC offers a low-speed connection through a simple setup that can be used for the bootstrapping of capable wireless connections. [2]