Browse Definitions:
Definition

HALO (High Altitude Long Operation)

A HALO (High Altitude Long Operation) aircraft is an aircraft designed to act as a very high altitude receiving and transmitting tower, circling a metropolitan area and providing broadband telecommunication service at data rates up to 5 Mbps to homes and up to 25 Mbps to business users with dedicated lines. Angel Technologies plans to launch a HALO-based series of metropolitan area networks ( MAN s). In each city, a single aircraft flying at about 52,000 feet will be able to service home and business users over a 60 mile area. Three aircraft will take turns, each flying an 8-hour shift. Users on the ground will mount a small external antenna outside their home or building. The airplane will link users with each other or with Internet service providers ( ISP s) and telephone company offices for connection to networks outside the metropolitan area. Tens or even hundreds of thousands of users can be serviced. Rates are not yet announced.

The aircraft, called the Proteus, is being built in California by Scaled Composites, a subsidiary of Wyman-Gordon Company. It is powered by twin turbofan engines and is designed to have an "efficient high-altitude loiter," to be easy to maneuver, and to sustain flight at altitudes as high as 60,000 feet for 14 hours with a payload of up to 2,000 pounds. Extendible wings allow it to carry a range of payloads. The first "proof of concept" Proteus has been successful in preliminary flight tests.

Unlike the telecommunication satellite systems now being developed, a HALO system can be launched for one city at a time. (The HALO aircraft flies at about a tenth of the lowest altitude of the LEO satellite.) An advantage of a high-altitude plane over other wireless solutions is that there is almost no interference. Transmitters will be powered with 40 Kilowatts at the 28 and 38 GHz frequency bands. An antenna can receive a signal through trees and during rainstorms. Angel plans to offer three levels of service:

  • For home and small business users using dial-up, 1 to 5 Mbps, providing low-cost Internet service, video on demand, and 2-way video conferencing
  • For larger businesses using dial-up or dedicated connection, 5 to 12.5 Mbps
  • For businesses with dedicated connections, up to 25 Mbps
This was last updated in March 2011

Start the conversation

Send me notifications when other members comment.

By submitting you agree to receive email from TechTarget and its partners. If you reside outside of the United States, you consent to having your personal data transferred to and processed in the United States. Privacy

Please create a username to comment.

-ADS BY GOOGLE

File Extensions and File Formats

Powered by:

SearchCompliance

SearchSecurity

  • black hat

    Black hat refers to a hacker who breaks into a computer system or network with malicious intent.

  • copyright

    Copyright is a legal term describing ownership of control of the rights to the use and distribution of certain works of creative ...

  • keylogger (keystroke logger or system monitor)

    A keylogger, sometimes called a keystroke logger or system monitor, is a type of surveillance technology used to monitor and ...

SearchHealthIT

  • population health management (PHM)

    Population health management (PHM) is a discipline within the healthcare industry that studies and facilitates care delivery ...

  • ICD-10-PCS

    The International Classification of Diseases, 10th Revision, Procedure Coding System (ICD-10-PCS) is a U.S. cataloging system for...

  • U.S. National Library of Medicine (NLM)

    The U.S. National Library of Medicine (NLM) is the largest biomedical library in the world.

SearchDisasterRecovery

  • business continuity plan (BCP)

    A business continuity plan (BCP) is a document that consists of the critical information an organization needs to continue ...

  • call tree

    A call tree -- sometimes referred to as a phone tree -- is a telecommunications chain for notifying specific individuals of an ...

  • mass notification system (MNS)

    A mass notification system is a platform that sends one-way messages to inform employees and the public of an emergency.

SearchStorage

  • hybrid hard drive (HHD)

    A hybrid hard drive (HHD), sometimes known as a solid-state hybrid drive (SSHD), is a mass storage device that combines a ...

  • USB flash drive

    A USB flash drive -- also known as a stick, thumb or pen drive -- is a plug-and-play portable storage device that uses flash ...

  • open source storage

    Open source storage is data storage software developed in a public, collaborative manner that permits the free use, distribution ...

SearchSolidStateStorage

  • RRAM or ReRAM (resistive RAM)

    RRAM or ReRAM (resistive random access memory) is a form of nonvolatile storage that operates by changing the resistance of a ...

  • JEDEC

    JEDEC is a global industry group that develops open standards for microelectronics.

  • M.2 SSD

    An M.2 SSD is a solid-state drive (SSD) that conforms to a computer industry specification written for internally mounted storage...

SearchCloudStorage

  • RESTful API

    A RESTful application program interface breaks down a transaction to create a series of small modules, each of which addresses an...

  • cloud storage infrastructure

    Cloud storage infrastructure is the hardware and software framework that supports the computing requirements of a private or ...

  • Zadara VPSA and ZIOS

    Zadara Storage provides block, file or object storage with varying levels of compute and capacity through its ZIOS and VPSA ...

Close