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  2. List of amateur radio transceivers - Wikipedia

    en.wikipedia.org/wiki/List_of_amateur_radio...

    The (American version) radio's main receiver covers 30 kHz through 60 MHz, 142 MHz through 152 MHz, and 420 through 450 MHz (plus 1240 through 1300 MHz with the "X" model). The sub-receiver tunes between 118 and 174 MHz, and from 220 to 512 MHz (VFO ranges).

  3. Alinco - Wikipedia

    en.wikipedia.org/wiki/Alinco

    Alinco ( Alinco Inc.) (TYO: 5933) is a Japanese manufacturer of radio and amplification equipment, and in the Japanese market, metal products, construction equipment, and exercise equipment. [ 1 ] Corporate affairs

  4. List of most-viewed YouTube videos - Wikipedia

    en.wikipedia.org/wiki/List_of_most-viewed...

    Specifically, to count as a legitimate view, a user must intentionally initiate the playback of the video and play at least 30 seconds of the video (or the entire video for shorter videos). Additionally, while replays count as views, there is a limit of 4 or 5 views per IP address during a 24-hour period, after which point, no further views ...

  5. Test card - Wikipedia

    en.wikipedia.org/wiki/Test_card

    Test cards typically contain a set of patterns to enable television cameras and receivers to be adjusted to show the picture correctly (see SMPTE color bars).Most modern test cards include a set of calibrated color bars which will produce a characteristic pattern of "dot landings" on a vectorscope, allowing chroma and tint to be precisely adjusted between generations of videotape or network feeds.

  6. Amateur television - Wikipedia

    en.wikipedia.org/wiki/Amateur_television

    Analog big-dish satellite television receivers may be re-purposed for inexpensively receiving ATV in this band. Such receivers can decode FM television when an outdoor antenna is connected to the LNB input. Due to the low cost and ease of repurposing old analog satellite receivers, this is the most popular band for FM amateur TV.

  7. Marine VHF radio - Wikipedia

    en.wikipedia.org/wiki/Marine_VHF_radio

    A marine VHF set is a combined transmitter and receiver and only operates on standard, international frequencies known as channels. Channel 16 (156.8 MHz) is the international calling and distress channel.

  8. Traffic message channel - Wikipedia

    en.wikipedia.org/wiki/Traffic_message_channel

    The TomTom RDS-TMC Traffic Receiver acquires information through an FM signal broadcast by Clear Channel's regional providers. By connecting a compatible TomTom navigation device to the RDS-TMC Traffic Receiver, users receive traffic information via the TMC connection. Traffic alerts appear in the traffic bar on the right side of the screen.

  9. Parabolic antenna - Wikipedia

    en.wikipedia.org/wiki/Parabolic_antenna

    Because of the high cost of waveguide runs, in many parabolic antennas the RF front end electronics of the receiver is located at the feed antenna, and the received signal is converted to a lower intermediate frequency (IF) so it can be conducted to the receiver through cheaper coaxial cable. This is called a low-noise block downconverter ...