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  2. Code 3 (TV series) - Wikipedia

    en.wikipedia.org/wiki/Code_3_(TV_series)

    Code 3 is an American crime drama that aired in syndication in 1956 and 1957. [5] [3] [1] [6] The stories were all based on actual files of the Los Angeles sheriff's office. [4] Stories were presented from the viewpoint of Assistant Sheriff George Barrett.

  3. Television antenna - Wikipedia

    en.wikipedia.org/wiki/Television_antenna

    A short antenna pole next to a house Multiple Yagi TV aerials. Antennas are commonly placed on rooftops and sometimes in attics. Placing an antenna indoors significantly attenuates the level of the available signal. [19] [20] Directional antennas must be pointed at the transmitter they are receiving; in most cases great accuracy is not needed ...

  4. Twin-lead - Wikipedia

    en.wikipedia.org/wiki/Twin-lead

    For this reason, when attaching a twin-lead line to a coaxial cable connection, such as the 300 Ω twin-lead from a domestic television antenna to the television's 75 ohm coax antenna input, a balun with a 4:1 ratio is commonly used. Its purpose is double: First, it transforms twin-lead's 300 Ω impedance to match the 75 Ω coaxial cable ...

  5. List of Antenna TV affiliates - Wikipedia

    en.wikipedia.org/wiki/List_of_Antenna_TV_affiliates

    The following is a listing of affiliates for Antenna TV, [1] a classic television network, which was launched on January 1, 2011, by Tribune Broadcasting [2] and is now owned by Nexstar Media Group. [ 3 ]

  6. Space–time block code - Wikipedia

    en.wikipedia.org/wiki/Space–time_block_code

    These codes achieve rate-1/2 and rate-3/4 respectively. These two matrices give examples of why codes for more than two antennas must sacrifice rate — it is the only way to achieve orthogonality. One particular problem with , / is that it has uneven power among the symbols it transmits.

  7. Antenna diversity - Wikipedia

    en.wikipedia.org/wiki/Antenna_diversity

    Antenna diversity is especially effective at mitigating these multipath situations. This is because multiple antennas offer a receiver several observations of the same signal. Each antenna will experience a different interference environment. Thus, if one antenna is experiencing a deep fade, it is likely that another has a sufficient signal ...

  8. Emergency service response codes - Wikipedia

    en.wikipedia.org/wiki/Emergency_service_response...

    Code 1: A time critical event with response requiring lights and siren. This usually is a known and going fire or a rescue incident. Code 2: Unused within the Country Fire Authority. Code 3: Non-urgent event, such as a previously extinguished fire or community service cases (such as animal rescue or changing of smoke alarm batteries for the ...

  9. List of Telemundo affiliates (table) - Wikipedia

    en.wikipedia.org/wiki/List_of_Telemundo...

    Stations are listed alphabetically by state and city of license. Notes: 1) Two boldface asterisks appearing following a station's call letters (**) indicate a station that was an original Telemundo-owned station either from the network's inception as NetSpan in 1984 or as part of the relaunch as Telemundo in 1987;