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The terms scan and scanning have several meanings:

  • The term scan has the following meanings:
    1. To examine sequentially, part by part. *
    2. In data processing, image scanning is to optically analyze a two or three dimensional image and digitally encode it (digitize it) for storage in a computer file.
    3. The resulting computer file from image scanning (commonly used in the anime and manga art communities).
    4. Also in data processing, to examine successively every character or bit in a digital computer file as part of a data retrieval function. *
    5. In radar, one complete rotation of the interrogating antenna. *
    6. In SONAR, to search 360° or a specific search sector by the use of phased array of transducers. *
    7. To sweep, i.e., rotate, a beam about a point or about an axis. *
    8. To analyze writing and verse regarding rhythmic and especially metrical structure.
    9. The name of the medical procedure examining a baby in the womb Ultrasound.
    10. To subject a document to the process of OCR including optical recognition of printed text or printed sheet music.
    11. SCAN is an acronym for Strategic Creative Analysis.
    12. Scan is a swedish meat company, see http://www.scan.se
    13. Scan is the student newspaper at Lancaster University.

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AirNav: Airport Information - Detailed airport information, including all airport and navigational aid communications frequencies.

BC245 Interface Software - Windows-based for remote control your Uniden Scanner BC-245XLT. Download.

FCC-WTB Wireless Telecommunications Bureau - Division of the FCC that regulates wireless communications. Contains databases that assist in identifying frequency information.
Meta Description: [ Wireless Telecommunications Bureau Home Page. The Wireless Telecommunications Bureau (WTB) handles nearly all FCC domestic wireless telecommunications programs and policies. Wireless communications services include Amateur, Cellular, Paging, PCS, Public Safety, and more. ]

FlightRadio.com - Aircraft Frequencies - Listing of aviation frequencies, plus links to live air-traffic control feeds.

Live Marine Radio - Discussion of monitoring of Coast Guard and Navy signals. Live audio signals are supplied when available.
Meta Description: [ iscanmarine: iScanMarine ]

Live Scanner Broadcasts - Live police, fire, emergency and airport scanner broadcasts.

Live Scanner Listeners Club - Yahoo-based club for live scanner enthusiasts.
Meta Description: [ LiveScannerAudio: Live Radio Scanner Internet Streaming ]

LivePoliceScan - A compilation of live scanner feeds from around the world.
Meta Description: [ HomeWorldNet.com - streaming media portals. *Live online Police, Fire & EMS scanner portal. *Web TV portal. *Web radio portal ]

Low VHF Scanning - Information on long distance scanner reception from Europe and how it occurs. Hear and identify American signals. With equipment and logging information.

Media Monitoring Guide - Scanner frequencies for radio and TV media in the top-50 markets. Includes links to sources.
Meta Description: [ Hear news first, Listen to news teams live from the scene of the incidents or traffic live from the helicopters! ]

MilAir - A guide to monitoring military aircraft communications. Includes frequencies, maps, archived recorded military communications, and photographs.

National Radio Data - Nationwide online scanner frequency database. Includes amateur callsign search and Civil Aviation Registry.
Meta Description: [ SCANNER FREQUENCIES Database, Police, Fire, Rescue, Racing Frequencies, Airport, Railroad, Taxi, Amateur Radio, Ham Radio Call Signs. ]

PerCon Corp - A developer and publisher of government related databases, specializing in FCC and FAA data. The Spectrum frequency database is designed for the scanning hobby market.

Police Scanner Portal - Find information about police scanners including live police scanner feeds, scanner frequency resources, and scanner audio files.
Meta Description: [ Find everything about police scanners; general police scanner info, police scanner frequencies, live police scanner feeds, police scanner websites & more police scanner stuff! ]

Radio Scanner Guide - With help for new scanning enthusiasts, including equipment reviews and recommendations, information for beginners, frequency guides, scanning tips and links.
Meta Description: [ A guide to selecting Radio Scanners; divides both new and used radio scanners into 6 categories, based on their specifications and features - e.g. analog trunking scanners, digital trunking scanners, etc; provides specifications on each model ]

Realistic Scanner Modifications - Modification information for Radio Shack scanners.

Scanner Dweebs Radio Scanner Webring - Supports and promotes the radio scanning hobby. Includes related links.
Meta Description: [ Radio Scanning Webring is for the little bit of a scanner dweeb in all Scanner Hobbyists. Sites belonging to this ring contain material of a Radio Scanner nature. This Webring supports web pages tha ]

Scanner Recorder - Download a switched recorder that can record scanner broadcasts via a PC.

Scanning Reference - Provides links to laws, rules, regulations, and technical references.

ScanShack - A web site dedicated to providing information concerning the hobby of radio scanning. Home of the scanner dweeb cartoon.
Meta Description: [ Comic strip Adventures of Scanner Dweeb police scanner radio scanner scanning scanner scanner scanner scanner comic strips scanner comic ]

Strong Signals Resource Page - News and reviews for beginners and experts alike. FAQs, message boards and an online scanner community.

Stupid Scanner Tricks - Tips and tricks, free e-mail, auctions and message boards.

The Monitoring Post - Canadian site featuring WxSat images, International Space Station communications, equipment details and DIY projects for the scanning enthusiast.
Meta Description: [ Canadian site featuring wxsat images, equipment details and DIY projects. ]

Trunking Technologies - Provides information, database, and links for trunking radio scanners.

Vox Recorder - Free download allows recording of an audio source only when an audio signal is present.

Worldwide Scanner Frequencies - Listings for public service communications in the US, Australia, and around the world.
Meta Description: [ Contains police frequencies , frequency lists , nasa , space shuttle frequencies , scanner radio , usaf callsigns , worldwide frequencies , usa , australia state listings ]

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