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  2. Radar jamming and deception - Wikipedia

    en.wikipedia.org/wiki/Radar_jamming_and_deception

    The most important method to counter radar jammers is operator training. Any system can be fooled with a jamming signal but a properly trained operator pays attention to the raw video signal and can detect abnormal patterns on the radar screen. The best indicator of jamming effectiveness to the jammer is countermeasures taken by the operator.

  3. Radio jamming - Wikipedia

    en.wikipedia.org/wiki/Radio_jamming

    Radio jamming is the deliberate blocking of or interference with wireless communications. [1] [2] In some cases, jammers work by the transmission of radio signals that disrupt telecommunications by decreasing the signal-to-noise ratio.

  4. Mobile phone jammer - Wikipedia

    en.wikipedia.org/wiki/Mobile_phone_jammer

    Example of a mobile phone jammer, produced by Jammerspro. A mobile phone jammer or blocker is a device which deliberately transmits signals on the same radio frequencies as mobile phones, disrupting the communication between the phone and the cell-phone base station, effectively disabling mobile phones within the range of the jammer, preventing them from receiving signals and from transmitting ...

  5. Outlawed anti-drone radio jammers are being marketed on ... - AOL

    www.aol.com/news/anti-drone-companies-market...

    A spokesperson for eBay said the company looked into the products and determined they were lawful white-noise machines or similar audio blockers, not FCC-prohibited radio signal jammers.

  6. Electronic countermeasure - Wikipedia

    en.wikipedia.org/wiki/Electronic_countermeasure

    The jammer's continuous transmissions will provide a clear direction to the enemy radar, but no range information. [1] Deception may use a transponder to mimic the radar echo with a delay to indicate incorrect range. [1] Transponders may alternatively increase return echo strength to make a small decoy appear to be a larger target. [1]

  7. FCC investigating Amazon for reportedly selling illegal radio ...

    www.aol.com/finance/fcc-investigating-amazon...

    Each offense of selling or using an illegal radio jamming device carries a fine of over $100,000, the FCC said.

  8. Counter-IED equipment - Wikipedia

    en.wikipedia.org/wiki/Counter-IED_equipment

    Convoy Jammer System HP 3260 H: Modular jamming system intended to protect surrounding vehicles and personnel against RCIED. Designed for maximum frequency coverage and protection range, the system is used for both, civilian and military motorcades.

  9. Digital radio frequency memory - Wikipedia

    en.wikipedia.org/wiki/Digital_radio_frequency_memory

    As the signal is stored in memory, it can be used to create false targets both behind (reactive jamming) and ahead of (predictive jamming) the target intended for protection. Slight variations in frequency can be made to create Doppler (velocity) errors in the victim receiver as well.

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