दीर्घ तरंग

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The दीर्घ तरंग रेडियो प्रसारण पट्टी 148.5 से 283.5 kHz (तदनुसार 1000 and 2000 मीटर के तरंग दैर्घ्य के बीच) के बीच पङने वाली सभी आवृत्तियाँ होतीं हैं।

यह समूह निम्न आवृत्ति (LF) पट्टी के अन्तर्गत आता है, जबकि यह पट्टी दीर्घ तरंग प्रसारण से अधिक आवृत्ति-रेंज तक होती है।

दीर्घ तरंग प्रसारण प्रेषित्रों की सूची[संपादित करें]

(Source: http://de.wikipedia.org/wiki/Langwelle)।

आवृत्ति स्टेशन नाम देश स्थिति एरियल प्रकार शक्ति टिप्पणी
153 kHz Deutschlandfunk Flag of Germany.svg जर्मनी Donebach Directional aerial, two guyed steel lattice masts, 363 m high, fed at the top 500 kW Night: 250 kW
Radio Romania Flag of Romania.svg रोमानिया Braşov T-aerial on 2 guyed steel lattice masts with a height of 250 metres 1200 kW  
NRK Finnmark Flag of Norway.svg नॉर्वे Ingoy Omnidirectional aerial, guyed steel lattice mast of 362 m height, fed at the top 100 kW  
Al Kasirha Flag of Algeria.svg अल्जीरिया Bechar Three guyed steel lattice masts 1000 kW  
162 kHz France Inter Flag of France.svg फ्रांस Allouis Two guyed steel lattice masts, height 350 m, fed on the top 2000 kW Time signal phase-modulated
171 kHz Medi 1 Flag of Morocco.svg मोरक्को Nador Directional aerial consisting of three guyed steel lattice masts, 380 metres tall 2000 kW  
Radio Rossii Flag of Russia.svg रूस Bolshakovo near Kaliningrad 150/75 kW  
Radio Rossii Flag of Ukraine.svg यूक्रेन Krasne near Lwow 150/75 kW inactive at present
177 kHz Deutschlandradio Kultur Flag of Germany.svg जर्मनी Zehlendorf near Oranienburg Omnidirectional aerial, cage aerial mounted on 359.7 m high guyed mast, triangle aerial on 3 150 m high guyed steel lattice masts 500 kW Since August 29th, 2005 between 2 and 5 a.m. CET DRM-Mode

Non-standard frequency (not divisible by 9)

183 kHz Europe 1 Flag of Germany.svg जर्मनी Felsberg Directional aerial, 4 insulated guyed steel lattice masts, heights: 282 m, 280 m, 276 m and 270 m, 2 234 metre tall guyed steel lattice masts, which are insulated against ground as backup antenna 2000 kW French Programme

Non-standard frequency (not divisible by 9)

189 kHz RÚV Flag of Iceland.svg आइसलैंड Gufuskalar near Hellissandur Slight oval bi-directivity aerial, top loaded parallel connected triangular loops, mast as a common member, all guys insulated except two radiating diametrically opposed grounded top guys, loops closed by copper straps in the ground from two conducting guy grounding points to base of the guyed steel lattice mast insulated against ground, height 412m 300 kW RÚV national programs 1 and 2 Rás 1 and Rás 2
RAI Flag of Italy.svg इटली Caltanissetta Omnidirectional aerial, guyed steel lattice mast, height 282 m 10 kW Inactive since August 2004
198 kHz BBC Radio 4 Flag of the United Kingdom.svg यूनाइटेड किंगडम Droitwich T-aerial on 2 guyed steel lattice masts insulated against ground with a height of 213 metres 500 kW Relays BBC World Service after the end of its own programmes.
BBC Radio 4 Flag of the United Kingdom.svg यूनाइटेड किंगडम Burghead Omnidirectional aerial, guyed steel lattice mast 50 kW  
BBC Radio 4 Flag of the United Kingdom.svg यूनाइटेड किंगडम Westerglen Omnidirectional aerial, guyed steel lattice mast, height 152 m 50 kW  
Polskie Radio Parlament/Program 1 Flag of Poland.svg पोलैंड Raszyn Omnidirectional aerial, guyed steel lattice mast insulated against ground, 335 m high 500 kW Only active during the daytime
Radio Majak Flag of Russia.svg रूस Sankt Petersburg - Olgino Omnidirectional aerial, 205 m high guyed steel lattice mast 150 kW
207 kHz RÚV Flag of Iceland.svg आइसलैंड Eiðar near Egilsstaðir Omnidirectional aerial, steel lattice mast insulated against ground, height 220m 100 kW RÚV national programs 1 and 2 Rás 1 and Rás 2
Deutschlandfunk Flag of Germany.svg जर्मनी Aholming Directional aerial, two guyed steel lattice masts, 265 m high, fed at the top 500 kW Night: 250 kW
216 kHz Radio Monte Carlo Flag of Monaco.svg मोनाको Roumoules Directional aerial, 3 300 metre high guyed steel lattice masts, 330 metre high guyed steel lattice mast as backup aerial 1200 kW Transmitter site exterritorial, exclave of Monaco
225 kHz Polskie Radio Program 1 Flag of Poland.svg पोलैंड Solec Kujawski Directional aerial, 2 guyed radio masts fed on the top, heights 330 m and 289 m 1000 kW Earlier transmitter site Konstantynów
234 kHz RTL Flag of Luxembourg.svg लक्ज़मबर्ग Beidweiler Directional aerial, 3 guyed grounded steel lattice masts, 290 m high, with vertical cage aerials 2000 kW Spare transmitter site Junglinster
Radio 1 Flag of Russia.svg रूस Krasny Bor transmitter Omnidirectional aerial, 271.5 metres tall guyed mast with cage antenna 1200 kW May be inactive at present
243 kHz Danmarks Radio Flag of Denmark.svg डेनमार्क Kalundborg Alexanderson aerial, carried from 2 118 Meter high free-standing steel lattice towers 300 kW Stop 15 फ़रवरी 2007
252 kHz RTA Algier Flag of Algeria.svg अल्जीरिया Tipaza Omnidirectional aerial, single guyed lattice steel mast 1500 kW French programme; during night-time half transmitter-power
RTÉ Radio 1 Flag of Ireland.svg आयरलैंड Clarkestown Omnidirectional aerial, guyed steel lattice mast, insulated against ground, height 248 m 500 kW Earlier used by Atlantic 252 and TeamTalk 252, decreases power at night to 100 kW, one website reported the callsign of this station to be EIRE
261 kHz Transmitter Burg Flag of Germany.svg जर्मनी Burg Omnidirectional aerial, cage aerial on 324 m high guyed, grounded steel lattice mast, 210 m high steel tube mast, insulated against ground 200 kW Inactive at the moment, formerly used by Radio Wolga and Radioropa Info
Radio Rossii Flag of Russia.svg रूस Taldom Omnidirectional aerial, central mast, 275 metre tall, surrounded by 5 guyed masts on a circle around 2500 kW Most powerful transmitter in the world
Radio Horizont Flag of Bulgaria.svg बुल्गारिया Vakarel One of the few Blaw-Knox Towers in Europe, 215m high 75 kW
270 kHz ČRO 1 - Radiožurnál Flag of the Czech Republic.svg चेकोस्लोवाकिया Topolna Directional aerial (maximum of radiation in East-West direction), two grounded 257 m high guyed steel lattice mast with cage aerials 500 kW  
279 kHz Musicmann279 Flag of the Isle of Mann.svg आइल ऑफ़ मैन ± 5 km off Ramsey Crossed field antenna 500 kW Tests originally planned to begin in early 2005 pending a summer 2005 launch; as of 2006, considerable uncertainty as to actual launch date; as of 2007, key personnel have resigned and company's future is uncertain. In October 2007 the Company's web sites disappeared.
Belaruskaje Radyjo 1 (BR1) Flag of Belarus.svg बेलारूस Sasnovy 500 kW  
Radio Mayak (RUS) Flag of Russia.svg रूस Yekaterinburg Omnidirectional aerial, guyed steel lattice mast of 256 m height, fed at the top 50 kW  



Height diagram of the antenna towers and antenna masts of longwave broadcasting stations
रेडियो वर्णक्रम
अत्यधिक निम्न आवृत्ति (ELF) परम निम्न आवृत्ति (SLF) अत्यन्त निम्न आवृत्ति (ULF) अति निम्न आवृत्ति (VLF) निम्न आवृत्ति (LF) मध्यम आवृत्ति (MF) उच्चावृत्ति (HF) अत्योच्चावृत्ति (VHF) अत्यन्त उच्चावृत्ति (UHF) परम उच्चावृत्ति (SHF) अत्यधिक उच्चावृत्ति (EHF)
3 Hz 30 Hz 300 Hz 3 किलो हर्ट्ज़ 30 किलो हर्ट्ज़ 300 किलो हर्ट्ज़ 3 मैगा हर्ट्ज़ 30 मैगा हर्ट्ज़ 300 मैगा हर्ट्ज़ 3 गीगा हर्ट्ज़ 30 गीगा हर्ट्ज़
30 Hz 300 Hz 3 किलो हर्ट्ज़ 30 किलो हर्ट्ज़ 300 किलो हर्ट्ज़ 3 मैगा हर्ट्ज़ 30 मैगा हर्ट्ज़ 300 मैगा हर्ट्ज़ 3 गीगा हर्ट्ज़ 30 गीगा हर्ट्ज़ 300 गीगा हर्ट्ज़