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Topic: Ka band

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	Ka band - Wikipedia, the free encyclopedia
		band (K-above band) is a portion of the K band of the microwave band of the electromagnetic spectrum.
		The 20/30 GHz band is used in communications satellites, downlink 18.3–18.8 GHz and 19.7–20.2 GHz, and high-resolution, close-range targeting radars aboard military airplanes.
		band” is frequently used to refer to the recommended operating frequencies of WR-28 rectangular waveguide, which is 26.5 to 40.0 GHz.
	en.wikipedia.org /wiki/Ka_band (113 words)

	Ka - Wikipedia, the free encyclopedia
		Look up ka in Wiktionary, the free dictionary.
		Ka (Dark Tower), a sort of karma in Stephen King's Dark Tower series and many other Stephen King books
		Ford Ka, model of car made by Ford
	en.wikipedia.org /wiki/Ka (214 words)

	What is Ka band?
		The Ka band uplink uses frequencies between 27.5GHz and 31Ghz and the downlink uses frequencies between 18.3 and 18.8Ghz and between 19.7 and 20.2Ghz.
		Ka band dishes can be much smaller than C band dishes.
		Ka band dishes vary from 2' to 5' in diameter.
	www.tech-faq.com /ka-band.shtml (97 words)

	The 8th Ka Band Utilization 2002 Conference (Site not responding. Last check: 2007-10-31)
		In 2002, the 8th Ka Band Utilization Conference will be held in conjunction with the European Mobile/Personal Satcoms (EMPS) Conference, as in 1998, to explore the possible synergies between the multimedia and other services expected at Ka Band with the expansion of the capabilities of mobile systems through S-UMTS and T-UMTS.
		We believe that Ka Band satellite systems can still provide the optimum solution for the distribution of broadband signals to users everywhere in the world, but at a slower pace and when the appropriate applications have been developed and made available at an affordable price.
		GPS-aided navigation is a killer application for which Ka Band is a natural, when coupled with the provision of broadband communications and entertainment to mobile platforms, especially aircraft.
	www.iicgenova.it /kaconf/2002/home2002.html (888 words)

	Ka Band Wildblue Satellite Internet Service is on the way
		Ka Band satellite internet employs “spot beams” rather than broadcasting over an entire Continent….a far more efficient use of the available bandwidth resulting in lower monthly service cost to end users (as low as $49 per mo.).
		Ka Band satellite internet doesn't’t require a very large dish (the dish is about the size of a trash can lid) to produce high speed internet in either direction (downloads and uploads are very fast), resulting in a lower equipment cost to consumers.
		Additionally, there is only one ka band satellite available for internet service over the U.S. right now and should anything happen to that "bird", service would be suspended for an unknown amount of time until another satellite could be launched and made ready for service.
	www.vsatus.com /page13.htm (601 words)

	Ka Band -Affordable Satellite Internet On The Way !
		Ka Band satellite internet is an all new approach to sending and receiving internet traffic from space (satellites used for internet are at least 23,000 miles from Earth).
		Ka Band employs “spot beams” rather than broadcasting over an entire Continent.a far more efficient use of the available bandwidth resulting in lower monthly service cost to end users (as low as $49 per mo.).
		Ka Band doesn’t require a very large dish (the dish is about the size of a trash can lid) to produce high speed internet in either direction (downloads and uploads are very fast), resulting in a lower equipment cost to consumers.
	forum.ecoustics.com /bbs/messages/34579/120309.html (600 words)

	[No title]
		The band will be home to a new generation of satellites capable of generating multiple narrow-beam spot beams on the surface of the Earth, as well as larger beams.
		This band is allocated domestically and internationally on a co-primary basis to the inter-satellite service, the fixed service, the mobile service, and the radiolocation service.
		New Ka- band offerings can be tailored to provide a broad array of specialized communications services ranging from videoconferencing to telemedicine; and these services may be styled to accommodate highly individualized methods of operation and demands of potential customers.
	www.fcc.gov /Bureaus/International/Orders/1997/fcc97378.txt (10902 words)

	EPA: Federal Register: Ka-Band Satellite Application and Licensing Procedures
		The 29.5-30.0 GHz band is also allocated on a primary basis to the Mobile-Satellite Service (MSS); however, in accordance with the International Telecommunication Union (ITU) Radio Regulation S5.529, use of the 29.5-30.0 GHz band by the MSS in Region 2 is limited to satellite networks which are both in the FSS and MSS.
		We believe it is in the public interest, as we establish the Ka- band satellite service, to continue our policy of maximizing the number of satellites that can be accommodated in orbit.
		This is because the U.S. band plan designates the corresponding downlink frequency band at 17.7-18.8 GHz on a priority basis to the GSO FSS, with NGSO FSS operations on a non-interference basis only to any service or system that has superior status or licensing priority.
	www.epa.gov /fedrgstr/EPA-IMPACT/1997/November/Day-18/i30205.htm (8590 words)

	Questio about DirectV's new Ka Band Satellites - High Def Forum - Your High Definition Community & High Definition ...
		I understand Directv is all set to launch a bunch of Ka band satellites for its HD expansion.
		Ka band, as most of you know, is at a much higher frequency band than the Ku band currently used by Directv.
		The average user dish will be correctly pointed at Ku band frequencies, but will be mispointed at Ka band frequencies (the beamwidth is much narrower at Ka band).
	www.highdefforum.com /showthread.php?t=6528 (637 words)

	Frequency Spectrum (Police Traffic Radar Handbook)
		Frequency tolerance for Ka band radars typically ±100 MHz.
		Military radar band nomenclature (L, S, C, X, Ku, K and Ka bands) originated during World War II as a secret code so scientists and engineers could talk about frequencies without divulging them.
		Military radar band nomenclature is widely used today in radar, satellite and terrestrial communications, and electronic countermeasure applications, both military and commercial.
	copradar.com /preview/xappA/xappA.html (241 words)

	Ka Band
		The principal interest in the band is for the delivery of interactive multimedia services.
		Antennas can also be made larger; since gain of an antenna increases with the square of the frequency, the same size antenna as in C or Ku band will naturally have a higher gain (although this will be necessary to offset the free-space loss over the path, which will be higher by the same degree).
		Since increased antenna size is already necessary to compensate for additional free-space loss, beam shaping can be used to increase gain in those directions that are experiencing fading (although this is at the expense of gain in other directions).
	www.argospress.com /Resources/satellite/bb-kaband.htm (610 words)

	Advantech Satellite Networks Demonstrates First DVB-S2 Ka Band Two-Way System
		This hub provides broadband connectivity to northern Canada using three Ka Band spot beams of the Anik F2 Satellite.
		He went on to say: “Our first hub was deployed in Ka band in 2000, and we have delivered over 1,000 terminals to operate in Ka band.
		The major advantage of Ka band from the stand-point of the end user is lower service pricing.
	www.prweb.com /releases/200644/5/prweb381560.htm (693 words)

	Site: Third Ka-Band Utilization Conference
		The explosion in communications, overcrowding of lower bands, and success of the NASA ACTS, ITALSAT and other international initiatives have provided the impetus for proposals for a large number of national, regional and global systems in Ka-band (30 GHz uplink/ 20 GHz downlink).
		A special case exists in the realm of data relay satellites which are employing Ka-band intersatellite links and high data rate downlinks.
		The uplink band (GHz) and the downlink band (GHz) are adjacent to the commercial communications band and components developed for either application may be useful in the other.
	www.wtec.org /loyola/satcom2/b_11.htm (3653 words)

	What is the Ka-Band Solid State Amplifier? (Site not responding. Last check: 2007-10-31)
		To funnel more data through a smaller antenna, or to pack the data using less transmitter power, engineers look to higher radio frequencies.
		The newest frequency band being considered for deep space communications, known as Ka-band, is four times higher frequency than the currently used X-band.
		This technology experiment on DS1 consists of a very compact, rugged device that amplifies the Ka-band signal produced by the transponder before it is transmitted through the spacecraft's antenna.
	www.qrg.northwestern.edu /projects/vss/docs/Communications/3-what-is-ka-band.html (75 words)

	Valentine V1 Ka Band False Alarms... - FerrariChat.com
		Some fixed "Your Speed Is xx mph" signs based on K band will cause the V1 to show a 2nd ghost Ka signal for about 5 seconds depending on conditions.
		False Ka signals are often due to nearby cars with cheap radar detectors that "leak" emissions (superheterodyne design).
		I occaisionally get a Ka coming from the opposite direction and passing by me, now I know those too, are probably just another detector.....
	www.ferrarichat.com /forum/showthread.php?t=58812 (1901 words)

	Audio Allies Definition for: Ka-Band
		In 1987 the FCC allocated a frequency on yet another band, Ka, for police radar use.
		Ka-Band incorporates Ka-band, Ka Wide-Band, and Ka Super Wide-Band.
		With Ka came the introduction of photo radar (also known as "photo-cop").
	www.audioallies.com /GetFeatureDesc.asp?Feature=Ka-Band (190 words)

	Networking: Internet Satellite: KU band vs KA band
		Some use the Ku band while others use the Ka band.
		Ku band is a higher frequency which means you can get by with a smaller dish however the trade off is that higher freqs tend to fade a lot more in rain and snow.
		Ka equipment is cheaper, slightly more reliable but not as fast.
	www.experts-exchange.com /Networking/Q_21453041.html (551 words)

	Ka-Band Internet -> How does it work @ Kusat.com
		Ka 65cm Kit (Ethernet)'; return true;" onMouseOut="this.className='header2off' ;span55.className='header2textoff'; window.status='' ;return true;" onclick="window.location.href='/go.php?path=/ka/hardware.php';">
		Not unlike C-Band, Ku-Band or any other satellite receive station, Ka signals received by the outdoor unit on the antenna are downconverted into a frequency range that can be carried through coaxial cable - the lower portion of the L-Band (950-1450 MHz).
		Signals sent to the outdoor unit travel in the 1800 to 2300MHz range, which is why it is critical to use only certified RG6 coaxial cable for Ka-Band installations (such as CommScope 5729 or 5773 RG6 coaxial cable).
	www.kusat.com /go.php?path=/ka/how.php (513 words)

	broadband » News » Space Lag - Will Ka band keep satellite alive?
		While providers have created new acceleration techniques to help the use of satellite VPN's, the ever-present latency monster will always hinder the technology's advancement until the technology changes.
		The shift to Ka band technology could double or triple the bandwidth available via satellite (Hughes is promising up to 10Gbps via their oft-delayed Spaceway project), but it too will be hindered by latency.
		It's like, you'll have a 200Mb packet, and it'll take a week to get there, but it'll be a bigun.
	www.broadbandreports.com /shownews/42138 (934 words)

	FCC Reinstates DISH Ka-Band License - DBSTalk.Com
		The main problems with Ka is that rainfade could be a real problem, requiring much more power from the satellite to overcome it, some estimates that it could require up to 10x the amount of power of Ku band.
		Looks like they convinced the FCC that using one or two of the 46 transponders would be enough to qualify as a Ka sat to keep their license.
		The main advantage of Ka band is that with two slots they could provide all the broadcast stations in HDTV (about 750 stations per slot).
	www.dbstalk.com /showthread.php?t=9661 (884 words)

	Radar Detector range testing by retired cop
		Ka-band is the newest band and it is rare to have false alerts on this band.
		Currently this band is 25% of the traffic enforcement radar used by police in the USA today.
		Radar Roy utilized his Stalker Ka band hand held radar gun and affixed to a tripod at full power during this test.
	www.radarbusters.com /support/product-tests/2.asp (387 words)

	GB . Projects . KaBandReceiver
		See the scientific justification for a GBT 1 cm receiver in GBT Memo 137, 'The Case for Equipping the GBT With 26.5-40 GHz Receivers' by D. Frayer and P. Vanden Bout, August, 1995.
		The Ka band receiver is also poised to make important contributions to our understanding of small scale CMB anisotropy; and an important pathfinder for the wideband spectrometer.
		KaCalSpec -- How to deal with Ka band cal diodes in the calibration database and GFM, as well as a general specification for Ka band continuum calibration in GFM
	wiki.gb.nrao.edu /bin/view/Projects/KaBandReceiver (425 words)

	Advanced Ka Band SATCOM Test Facility (Site not responding. Last check: 2007-10-31)
		To develop and test ground terminal hardware for Ka band satellite communications, and to support various applications such as protocol testing and video-teleconferencing over the NASA Advanced Communications Technology Satellite (ACTS).
		Current activities include the development of a small tracking antenna capability for mobile applications, and the fabrication of more compact terminal hardware for man-portability.
		The facility is available for testing experimental Ka Band terminal equipment and for general satellite communications support.
	www.rl.af.mil /tech/facilities/akbstf.html (94 words)

	Digisat: MT3300 - Ka-Band TWTA Detail (Site not responding. Last check: 2007-10-31)
		This frequency band will become the prime carrier of global wireless Internet services because it will offer a faster performing service at a lower price point and bandwidth on par with terrestrial offerings.
		These systems are expected to handle at least 20 times more traffic than lower band systems.
		The MT3300 Ka-Band Antenna Mount TWT Amplifier is a perfect fit for your uplink application.
	www.digisat.org /detail.asp?ci=81&objtype=pro (178 words)

	Ka'naitch - Band page with free MP3 music downloads on SoundClick
		Ka'naitch are a ska, punk, jazz, rock band from Liverpool in the north-west of England.
		We started on the 15th September 2002 and practise Mondays and Wednesdays in school and Sundays at Joe's house.
		PATRICK BECAME THE BAND'S BASSIST AND TOM BECAME THE DRUMMER.
	www.soundclick.com /bands/pageartist.cfm?bandID=109846 (241 words)

	Is there a future FTA KA FSS band around the corner? - SatelliteGuys.US
		Will the KA LNB work with our current recievers or we may have to buy the new ones that's handle C, KU and KA bands?
		I guess there is no answer to a new KA band freqs, yet at this time?
		Currently, if you want to get a Ka band LNB, they are about $199 each and you'll need three to cover the full frequency range available.
	www.satelliteguys.us /showthread.php?t=41684 (463 words)

	Dual-band satellite emulator enables on-the-move satcom testing
		The DBSE provides equivalent satellite translation functionality at a distance of 200 feet to 33,000 feet from the DBSE within up to a 120 ° azimuth and a 30 ° vertical arc.
		It also provides translation from uplink to downlink frequency and translation from uplink to downlink polarization, in each of two bands.
		The DBSE was developed to provide simulated operation of up to six Ka- or Ku-band satellite earth terminals for maintenance and training purposes.
	rfdesign.com /mag/radio_dualband_satellite_emulator (310 words)

	The Ka-Band Utilization Conference (Site not responding. Last check: 2007-10-31)
		Both satellites have demonstrated the usefulness of Ka-Band through novel system approaches including digital communications, on demand rain compensation, hopping spot beams, on board switching, integrated services, and demand-assigned channels of varying bandwidth to suit user needs.
		The programs also developed flight and ground components as needed to stimulate the use of this new frequency band, and a wealth of information about Ka-Band propagation characteristics in Europe and the United States.
		The conference, held annually under the auspices of ASI, CRC, CRL, ESA, the Italian PTT, NASA, and NASDA and with the support of several communications satellite manufacturers and service providers from around the world, is organized and managed by the IIC - Istituto Internazionale delle Comunicazioni Genova, Italy
	www.iicgenova.it /kaconf (256 words)

	M/A-COM Launches New X- To Ka-Band Triplers And X-Band And Ka-Band Amplifiers (Site not responding. Last check: 2007-10-31)
		Built-in circuitry ensures that power supply sequencing can be in any order, for both power-up and power-down.
		The units consist of a tripler followed by a Ka-band amplifier and band pass filter (BPF).
		The amplifier restores output signal strength and the BPF reduces out of band products.
	www.macom.com /macom_prodnews.asp?ID=732 (553 words)

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