enow.com Web Search

Search results

  1. Results from the WOW.Com Content Network
  2. Supplemental air carrier - Wikipedia

    en.wikipedia.org/wiki/Supplemental_air_carrier

    This was the definition of a CAB-regulated air carrier, so it excluded Part 45s. Further, contracts were to go to carriers with militarily useful aircraft. [131] The aim was to renew the country's commercial cargo fleet, viewed as dangerously inadequate. [132]

  3. Polio - Wikipedia

    en.wikipedia.org/wiki/Polio

    Poliomyelitis (/ ˌ p oʊ l i oʊ ˌ m aɪ ə ˈ l aɪ t ɪ s / POH-lee-oh-MY-ə-LY-tiss), commonly shortened to polio, is an infectious disease caused by the poliovirus. [1] Approximately 75% of cases are asymptomatic; [5] mild symptoms which can occur include sore throat and fever; in a proportion of cases more severe symptoms develop such as headache, neck stiffness, and paresthesia.

  4. Instrument flight rules - Wikipedia

    en.wikipedia.org/wiki/Instrument_flight_rules

    IFR in between cloud layers in a Cessna 172. In aviation, instrument flight rules (IFR) is one of two sets of regulations governing all aspects of civil aviation aircraft operations; the other is visual flight rules (VFR).

  5. Ultra high frequency - Wikipedia

    en.wikipedia.org/wiki/Ultra_high_frequency

    There is a considerable amount of lawful unlicensed activity (cordless phones, wireless networking) clustered around 900 MHz and 2.4 GHz, regulated under Title 47 CFR Part 15. These ISM bands —frequencies with a higher unlicensed power permitted for use originally by Industrial, Scientific, Medical apparatus—are now some of the most crowded ...

  6. Internal Revenue Code section 409A - Wikipedia

    en.wikipedia.org/wiki/Internal_Revenue_Code...

    Section 409A was enacted, in part, in response to the practice of Enron executives accelerating the payments under their deferred compensation plans in order to access the money before the company went bankrupt, and also in part in response to a history of perceived tax-timing abuse due to limited enforcement of the constructive receipt tax ...

  7. Computer security - Wikipedia

    en.wikipedia.org/wiki/Computer_security

    An example of a physical security measure: a metal lock on the back of a personal computer to prevent hardware tampering. Computer security (also cybersecurity, digital security, or information technology (IT) security) is the protection of computer software, systems and networks from threats that can lead to unauthorized information disclosure, theft or damage to hardware, software, or data ...

  8. 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.