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Topic: Taldom transmitter

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	Transmitter - Wikipedia, the free encyclopedia
		Often the transmitter frequency is not the frequency produced by the oscillator, but one of its harmonics.
		For microwave transmitters, special semiconductor components or vacuum tubes, such as the klystron or cavity magnetron, are needed, because signals of these frequencies and power levels cannot be processed with normal semiconductors.
		To reduce transmission line loss the transmitter building is usually immediately adjacent to the antenna for VHF and UHF sites, but for lower frequencies it may be desirable to have a distance of a few score or several hundred metres between the building and the antenna.
	en.wikipedia.org /wiki/Transmitter (1688 words)

	World Encyclopedia (Site not responding. Last check: 2007-09-12)
		A transmitter is an electronic device which with the aid of an antenna propagates an electromagnetic signal such as radio, television, or other telecommunications.
		With standard frequency transmitters the carrier frequency of the transmitter is produced by an atomic clock and brought by frequency slicing and multiplication to the desired value.
		When transmitting antennas for long and medium-wave transmitters become usually radiating transmitting poles used, which are isolated either against earth and are fed at the toe or also as grounded constructions are implemented, which are fed over with the pardunen connected hilfsseile.
	www.worldencyclopedia.net /index.php?title=Transmitter (1901 words)

	TRANSMITTER FACTS AND INFORMATION (Site not responding. Last check: 2007-09-12)
		This is usally a purely functional building, which may contain apparatus for both radio and television transmitters.
		The final output is given as transmitter_power_output (TPO), although this is not what most stations are rated by.
		In industrial process control a transmitter converts a measurement from a primary device into a form that can be connected, usually by wires, to some display or control device located a distance away.
	www.sultrysearch.com /transmitter (1605 words)

	Re: [Swprograms] DRM on VOR
		Voice of Russia currently transmits DRM broadcasts in Russian, English, German and French toward Europe, using a short-wave transmitter in Taldom, Russia, operated by RTRN's Moscow Regional Centre, and a medium-wave transmitter 603kHz in Zehlendorf, Germany, operated by DRM member T-Systems International Media and Broadcast.
		The medium-wave transmitter, made by DRM member Telefunken, has been modified to operate in single-channel simulcast mode, which means that the Voice of Russia's broadcasts can be sent in analog and DRM formats.
		This network includes a second short-wave transmitter operated by the Moscow Regional Centre, a short-wave transmitter in Irkutsk, a short-wave transmitter in Khabarovsk, and a T-Systems International medium-wave transmitter, built by Telefunken, in Wachenbrunn, Germany.
	www.hard-core-dx.com /archive/swprograms/msg00511.html (513 words)

	AWR - On The Air In Russia
		Some of these transmitters had been in use during the Cold War as jamming transmitters in an attempt to discourage listeners in Russia from tuning in to radio broadcasts from foreign countries.
		At first, the two transmitters were synchronised on the same channel, though two years later, the two units were operating on separate channels.
		The specific transmitter in use at that time is designated as RV193, a Russian made transmitter with a power of 250 kW.
	radiodx.com /spdxr/awr_russia.htm (1350 words)

	Science Fair Projects - List of masts
		Electric devices on them are fed via cables running through the coils of a parallel resonance circuit which is switched in parallel to the transmitter output.
		For high power transmitters in the MW range, masts with lengths around half of the radiated wavelength are preferred because they focus the radiated power better to the ground than constructions with heights of quarter wavelengths, which are preferred of economical reasons for low power medium wave transmitters.
		For longwave transmitters, however, the construction of masts with heights of half-wave wavelength is, because of economical reasons (and perhaps problems with the flight safety), in most cases impossible.
	www.all-science-fair-projects.com /science_fair_projects_encyclopedia/List_of_masts (1517 words)

	Taldom
		If you listen to ‘Voice of Russia’ DRM broadcast from Taldom (near Moscow) then this is a photo of the transmitter antenna used.
		This SSB transmitter provided about 100 kW peak output power using a push-pull PA. After modification the output power was increased to 200-220 kW (approx).
		Good transmit linearity is required for OFDM broadcasts, when testing the transmitter using the 2 tone method nonlinear products were better than -38 to -42 dB for all RF input levels.
	www.drmradio.co.uk /html/taldom.html (267 words)

	[No title]
		The transmitter is on an uninhabited island, to the north of Badu Island, in the middle of Torres Strait.
		Taldom transmitter is a large broadcasting facility for shortwave and longwave near Taldom, Russia.
		In the meantime, it is reported that members of the Experimental Group are melting solder, tuning transmitters, stringing feedlines, and polishing their keys in eager anticipation of the issuance of the license itself, which will allow then to commence operations on 600 Meters.
	www.worldofradio.com /dxld5104.txt (12417 words)

	AWR 30th Anniversary
		For a period of seven years, AWR was on the air from the two transmitters at another Deutsche Welle relay station and this was Radio Mediterranean on the island of Malta.
		However, due to transmitter loads, sometimes Julich is unable to carry the AWR relay and so this programming is then switched over to the other Deutsche Telekom station at Wertachtal.
		When Wertachtal carries the AWR relay, the power output on one of the 500 kW transmitters is reduced to 125 kW, simply because that is all that is needed for the AWR relay.
	radiodx.com /spdxr/AWR_30th.htm (1239 words)

	[No title]
		I couldn't go to the transmitter site, but the station director said that the antenna is only about 7 meters off the ground.
		The address reported in WRTH is a house and the owner said there was a radio transmitter in the back when he moved in a few years ago, which he would be willing to sell fairly cheap.
		The CRI outlet from Russia is not marked on the schedule: It`s 7175 for the 2200-2300 broadcast, originating from Taldom.
	www.angelfire.com /ok/worldofradio/dxld0136.txt (5115 words)

	Longwave (Site not responding. Last check: 2007-09-12)
		Unlike shortwave radio, longwave signals do not reflect nor refract using the ionosphere, so there are fewer phase-caused fadeouts.
		In Europe, North Africa and Asia, longwave radio frequencies between 153 and 281 kHz are used for domestic and international broadcasting.
		List of the most important longwave broadcasting transmitters (Source: http://de.wikipedia.org/wiki/Langwelle).
	pedia.newsfilter.co.uk /wikipedia/l/lo/longwave.html (307 words)

	FM List RUSSIA
		ERP [in kW] is transmitter power [in kW] times 10 to the power of 1/10 of the antenna gain [in dB].
		Most Russian FM transmitter have gains of about 5 dB, so ERP is appr.
		The signal strength at the receiver is then the same, as if there were a transmitter with a much higher power transmitting in all directions, including the useless ones.
	www.susi-und-strolch.de /eibi/dx/fm-rus.html (338 words)

	New Norwegian AM transmitter
		The antenna mast is among the tallest manmade constructions in Europe, and definitely the tallest on Norwegian soil.
		Until then a few highpowered transmitters and a large number of low powered fillers were used to cover the country.
		By the mid 70s the network of VHF- transmitters basically had replaced AM for domestic broadcasting, and the new frequency plan eliminated all the AM fillers and boosted power of a few remaining allocations, which were primarily intended for reaching remote parts of the country, neighbouring countries and the oceans surrounding the country.
	www.dxlc.com /longwave/ingoy.html (1022 words)

	[No title]
		Alongside with the 2500 kW longwave giant on 261 also two 250 kW shortwave transmitters are in use by Radio Rossii there, and in previous winter seasons a mix from Taldom appeared on 60 metres when one of the transmitters used 49 metres instead.
		They already have the transmitter ready: a homebrew 300 W effective output (500 W nominal, though they had 2 KW authorized), from 3 x 6DQ5 tubes plus other four same tubes modulating them.
		The carriers of both SW transmitters are a little unstable, especially as the transmitters warm up just after sign on.
	www.angelfire.com /ok/worldofradio/dxld0140.txt (3020 words)

	SHORTWAVE RADIO TRANSMITTERS IN RUSSIA
		All of these sites are used to broadcast the Voice of Russia and Radio Rosii programs, but you should also be advised, that some of these transmitters are also used to relay some of the major international broadcasters.
		This site has 80 kW transmitters, which are sometimes combined together for 160 kW outputs.
		The big one is also known as Popovka and houses many 200 kW transmitters, which are sometimes combined together to run 800 kW.
	home.earthlink.net /~dxchicago/shortwave_radio_transmitters_in_.htm (1242 words)

	Transmitter \| TutorGig.co.uk Encyclopedia (Site not responding. Last check: 2007-09-12)
		Many transmitting plants have very high radio towers, which are masterpieces of engineering.
		1974-1991: Konstantynow for 2000kilowatt longwave transmitter, 646.38 metres
		Popular Music See all 9 results in Transmitter..
	www.tutorgig.co.uk /ed/Transmitter (2029 words)

	Digital Broadcasting Newsletter (Site not responding. Last check: 2007-09-12)
		Voice of Russia currently transmits DRM broadcasts in Russian, English, German and French toward Europe, using a short-wave transmitter in Taldom, Russia, operated by RTRN's Moscow Regional Centre, and a medium-wave transmitter 603 KHz in Zehlendorf, Germany, operated by DRM member T-Systems International MediaandBroadcast.
		The medium-wave transmitter, made by DRM member TELEFUNKEN, has been modified to operate in Single Channel Simulcast Mode, which means that Voice of Russia's broadcasts can be sent in both analog and DRM formats.
		This network includes a second shortwave transmitter operated by the Moscow Regional Centre, a short-wave transmitter in Irkutsk, a short-wave transmitter in Khabarovsk, and a T-Systems International medium-wave transmitter, built by TELEFUNKEN, in Wachenbrunn, Germany.
	www.ahrt.hu /en/services/newsletter_AC0DDF3642B646578F38F95180A6584C.php (1314 words)

	[No title] (Site not responding. Last check: 2007-09-12)
		For IBC 9-14th September the Orfordness transmitter will start at 08:00 UTC instead of 16:00 UTC, and as well as normal audio there will be one or 2 new data applications.
		The new digital transmitter will operate alongside the current analogue transmitter for a period of several years, and then replace it completely.
		Luxembourg: RTL has not yet finished modifications on the 6095 transmitter, so the frequency will not be in operation until monday or tuesday.
	baseportal.com /cgi-bin/baseportal.pl?htx=/drmdx/archives (2584 words)

	[No title]
		The first open-carrier test-broadcasts from the new WRMI were made from a temporary transmitter, a modified old military unit, on November 11, 1993.
		This 1 kW transmitter was operated by Radio Estereo Amistad and it was intended to grow into a major relay service for coverage into North America.
		However, the transmitter was removed from service for modification on October 31, 1995, but this station never did return to the shortwave bands.
	www.worldofradio.com /dxld4096.txt (10148 words)

	Longwave Article, Longwave Information (Site not responding. Last check: 2007-09-12)
		Unlike shortwave radio, longwave signals do not reflect nor refract using the ionosphere, so there arefewer phase -caused fadeouts.
		The earliest radio transmitters, including the Alexandersonalternator, were all longwave transmitters.
		Longwave transmitting antennas take up large amounts of space, and have been the cause of controversy in the United States andEurope due to fears over proximity to high-power radio waves.
	www.anoca.org /khz/kw/longwave.html (366 words)

	IBOC Update - Jul 7, 2004
		A spokesman for Russian broadcaster Voice of Russia announced the successful commencement of DRM operation on both its MW and SW outlets at the quarterly meeting of the Digital Radio Mondiale (DRM) consortium, held in the Moscow headquarters of the Russian Television and Radio Network (RTRN) and Voice of Russia on June 16 to 18.
		Voice of Russia currently transmits DRM broadcasts in Russian, English, German and French toward Europe, using a short-wave transmitter in Taldom, Russia, and a medium-wave transmitter on 603kHz in Zehlendorf, Germany.
		For example, the power output of a transmitter can be objectively measured using a wattmeter.
	beradio.com /iboc_update/iboc_update_20040707 (1846 words)

	RE: High power low frequency transmitters (Site not responding. Last check: 2007-09-12)
		I actually got to see the WMT ELF transmitter during a trip for my company once up in michigan.
		On a side note, if you remember watching "Hunt for Red October", there is a scene where the communications officer says he is receiving a voice message through the ELF.
		"Continental Electronics has delivered AM transmitters at the 2 Megawatt level to the broadcasting organizations of several countries.
	www.pupman.com /listarchives/newarchive/2003/Jan/msg00672.html (185 words)

	BNR • Radio Bulgaria • DX programme •
		ITU has announced the officially registered transmitter powers of all broadcasters.
		On short wave the most powerful transmitter belongs to Ukraine – 1000 kilowatts; on medium and long wave: in Europe Russia is the leader with a transmitter in Taldom, near Moscow putting out 2500 kilowatts on 261 kHz, in Asia –“Voice of Vietnam” with 2000 kilowatts on 1242 kHz.
		Rumors say that in fact, there are even more powerful transmitters in Russia, China and other countries but they are not officially announced.
	www.bnr.bg /RadioBulgaria/Emission_English/Theme_DX_Programme/Material/DX1504.htm (1093 words)

	ShortWave Radio Stations around the world!
		Broadcasters are listed by Call Letters, Frequency/Power Output, City, Country.
		There are no duplications below, each entry represents a transmitter.
		Several transmitters with the same Call Letters is not uncommon.
	www.vmgworldwide.com /ShortWave.htm (199 words)

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