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Greenwich Time Signal

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807:" uses 6 tones to signal exact time in some of its stations. They differ in the timing: Rai Radio 1 tells the hour. Rai Radio 2 usually tells the hour if at the end of a program and the half hour before every news bulletin. Rai Radio 3 signals the 45 minute of selected hours (at 6:45, 8:45, 13:45 and 18:45), before the news. The signals used to come from the Istituto Metrologico di Torino, the national study centre for measure and time, but now Rai itself produces the sound. Among the three, Radio2 uses a more modern jingle that is not exactly "pips", and then the signal can be trasmitted delayed with a couple of seconds. 2061: 129:), it is indicated by a seventh pip. In this case the first pip occurs at 23:59:55 (as usual) and there is a sixth short pip at 23:59:60 (the leap second) followed by the long pip at 00:00:00. The possibility of an extra pip for the leap second thus justifies the final pip being longer than the others, so that it is always clear which pip is on the hour. Before leap seconds were conceived in 1972, the final pip was the same length as the others. Although "negative" leap seconds can also be used to make the year shorter, this has never happened in practice. 474:'s Radio 2 Breakfast show, although usually only in jest since the actual event happened rarely. Different BBC Radio stations approach this issue differently. Radio 1 and Radio 2 generally take a relaxed approach with the pips, usually playing them over the closing seconds of a song or a jingle "bed" (background music from a jingle), followed by their respective news jingles. Many BBC local radio stations also played the pips over the station's jingle before the 2020 rebrand. BBC Radio 4 is stricter, as it is an almost entirely speech-based network. 65: 22: 387: 3430: 863:– In the NPO (Netherlands Public Broadcasting), the signals have been around since 1948, when six pips were used. In1991 they went down to three. Broadcast of the traditional pips stopped with the last transmission at 7:00 on 2 October 2018, leading way to a new design with three pips that count down to exactly the full hour and make way for a short tune. Other radio stations may still use the traditional beeps at every hour. 1001:, the most important music radio in Spain, broadcast a different version of GTS: two first pips sound and then a music is added on the background, using the rhythm to create the corporative jingle of the radio. This station in particular uses only 4 pips, typically the two last using two different frequencies (resulting in a modern rhythm). Other musical radios like 797:"), the intro got changed and added a jingle. In 2023 this jingle was replaced with a new one. This jingle is played twice, before the headlines, which are now read at 30 seconds to the hour, and then immediately following. The second iteration includes the tones counting down to the hour, which were left as a "memorial to the historical soundtrack". 1066:'s VOV3 and some local stations : Long An, Bình Dương, Bình Phước, Cần Thơ, An Giang. A 6-pip time signal is broadcast on the first and second channels of the Voice of Vietnam before the news and information programs at 6:00 AM, 12:00 PM, 6:00 PM, and 9:00 PM, following the "Praising the President Ho" melody. 734:
broadcasts three beeps every hour, the last one being longer than the others; between 05:00 and 18:00 on weekdays they are broadcast every half-hour and sometimes omitted at 21:00 when there is no news programme scheduled. The sister station, Deutschlandfunk Kultur omitted Pips altogether with their
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broadcasts a similar time signal every 15 minutes. In Radio Bandeirantes, there is 5-pips signal (called as "fifth signal"), broadcast every 15 minutes. In Radio Gaúcha, a 4-pips signal with 3 tones in 920 Hz and the last in 1360 Hz is broadcast every 15 minutes. The musical radio network
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A sudden total failure in the generation of the audio pulses that constitute the pips was experienced on 31 May 2011 and silence was unexpectedly broadcast in place of the 17:00 signal. The problem was traced to the power supply of the equipment which converts the signal from the atomic clocks into
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to mark the precise start of each hour. The pips were introduced in 1924, generated by the Royal Observatory, Greenwich, and from 1990 were generated by the BBC in London. The broadcast pips replaced an electrical time coordination system based on the railway telegraph network, which itself was an
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Many radio broadcasters around the world use the Greenwich Time Signal, or a variant thereof, as a means to mark the start of the hour. The pips are used in both domestic and international commercial and public broadcasting. Many radio stations use six tones similar to those used by the BBC World
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stations until the introduction of a new presentation package in 2020. A rare quarter-hour Greenwich Time Signal was heard at 05:15 weekdays on Wally Webb's programme on local radio in the east of England until it ended in March 2020, as part of his "synchronised cup of tea" feature.
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formerly used three short pips played at :57 to :59 of the clock ident and a longer three-second pip from :00 to :03 just before the start of news programmes. The longer three-second pip can however be crashed shortly after the :00 mark on certain special events or if there was time
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and all local radio stations use a similar 6-pip time signal on the hour. 5 short lower-pitched (0.25 s, 800 Hz) pips are played to count down the final 5 seconds of the old hour, and a longer, higher-pitched (0.5 s, 1600 Hz) pip is played to mark the beginning of the new
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who commissioned Marconi / Siemens in Charlton (close to Greenwich), to create the signal. The company gave the project to an 18 year old engineer, Harry Lampen Edwards who was seconded to the Observatory. The pips were originally controlled by two mechanical clocks located in the
558:– All news/talk stations (Radio Nacional, Radio Mitre, Radio Continental, Radio 10, Cadena 3, etc.) air the six pips similar to the BBC every hour, and 3 pips for every half-hour similar to Catalonia. Also some online radios like Comucosas Radio, plays the pips. 430:
The tone sent on the lines was inverted: the signal sent to the BBC was a steady 1 kHz tone when no pip was required, and no tone when a pip should be sounded. This let faults on the line be detected immediately by automated monitoring for loss of audio.
922:(5 little pips (since 2001 to 2003) and 4 little pips (since 2003 to now)) before newscast in each hour, but before 2001, the pips broadcasting only at midnight (5 little pips) on 31 December/1 January each New Year. In 1990-2002 they were used on(four pips) 852:
radio stations use the pips hourly before the news broadcast but only the top-of-the-hour pip is sounded. Until late 2012, the time signal is simply a short pip on the 59th second before the hour and a longer pip on the top of the hour. In a news report in
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The BBC does not allow the pips to be broadcast except as a time signal. Radio plays and comedies which have fictional news programmes use various methods to avoid playing the full six pips, ranging from simply fading in the pips to a version played on
84: 781:– On Israeli Public Broadcasting Corporation hourly radio news, 5 tones (part of a recording of Kol Israel's original beeps) play counting down to the hour. Right as the hour starts, a jingle starts playing, the end of which includes the IPBC's 944:
broadcasts 6 little beeps before each news bulletin. On Radio Cluj, it broadcasts 5 short beeps and 1 beep before local news. Radio Iași uses 16 beeps before local news. Pips were also used on regional stations before Radiojurnal when relaying
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does not broadcast the pips on Sundays, 3 May (Polish Constitution Day), 15 August (Polish Armed Forces Day) and 11 November (Polish Independence Day) at 9:00 in the morning, due to the broadcasts of The Holy Mass and the Special Presentation.
997:– The signal is broadcast by almost all radio stations, even by music stations, but depends on the frequency: music stations usually use pips on the hour, but most of the non-musical stations broadcast the signal every 30 minutes. Los 542:
an audible signal. Whilst repairs were underway the BBC elected to broadcast a "dignified silence" in place of the pips at 19:00. By 19:45 the same day the power supply was repaired and the 20:00 pips were broadcast as normal.
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in 1957 and the GTS equipment followed a few years later in the form of an electronic clock. Reliability was improved by renting two lines for the service between Herstmonceux and the BBC, with a changeover between the two at
201:. The pips were also used on Radio 6 Music for a rare occurrence. It took place between 2009 and 2011 on weekdays and the pips were played at 10:00 (end of the breakfast show) and at 19:00 (end of the drive show). On 534:, who was standing in for Terry Wogan on Radio 2, the pips went "adrift" by six seconds, and broadcast seven pips rather than six. This was traced to a problem with the pip generator, which was rectified by 118:) the first five of which last a tenth of a second each, while the final pip lasts half a second. The actual moment when the hour changes – the "on-time marker" – is at the very beginning of the last pip. 83: 977:
radio stations, 5 low-pitched short beeps and 1 high-pitched short beep is broadcast before the news and the information programmes at 5:30, 7:00, 13:00, 15:30, 18:30 (formerly at 19:00) and 22:00.
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radio stations, the pips are broadcast on the hour. 5 short pips and a long pip is broadcast between :55 and :00. The time signal broadcast at 15:00 EET is from Bulgarian Institute of Metrology.
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The BBC compensates for the time delay in both broadcasting and receiving equipment, as well as the time for the actual transmission. The pips are timed so that they are accurately received on
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The pips are available to BBC radio stations every fifteen minutes, but, except in rare cases, they are only broadcast on the hour, usually before news bulletins or news programmes. Normally,
592:. In Australia, the news pips are closer to 735 Hz and each of the six pips lasts for half a second. After each pip, there is half a second of silence. The pips were discontinued on 209:, Radio 4 uses the pips at 10:59:55 to mark the start of the two minutes silence and again at 11:01:55 to mark the end. From 2000 to 2008 BBC Radio 5 live used the pips weekdays at 06:00 955:- Russia's state radio channels broadcast 6 tones (5 little pips and 1 short beep). The duration of the 6th pip depends on the current hour: it's 100 ms at midnight (00:00) Moscow time ( 720:
broadcasts four very short pips every hour, which are almost invariably crashed. The last pip, which is as long as the other ones, marks the top of the hour. Some local stations of the
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in Portsmouth (1829) and later Greenwich (1833), which enabled navigators aboard ships moored in those places to set their chronometers for the determination of longitude on voyages.
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non broadcasting at midnight (after the National Anthem) and midday (with a bells from Vilniaus' Cathedral before Midday News), and on special transmissions, before and after mass.
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stations LR-1, LR-2 and LR-4 used to play the pips (5 pips and 1 beep) at 9:00, 12:00 and 15:00. The pips are not played on LR-3 Klasika. In present, the pips are no longer played.
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in 1992 to 2004 before the newscast and while welcoming new year. Since 12 September 2002 to 20 October 2014 the pips were broadcast on former commercial radio station
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also featured a special Christmas pantomime edition where the pips went "missing", and the problem was avoided there by only playing individual pips. The 2012 project
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uses GTS pips on their radio channels to mark the start of the hour at each main newscast just after playing the news theme music. Other stations do not use pips.
415:. Two clocks were used in case of a breakdown of one. These sent a signal each second to the BBC, which converted them to the audible oscillatory tone broadcast. 339:
As a pre-digital time transfer and transmission system, the pips have been a great technological success. In modern times, however, time can be transferred using
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broadcast the pips every hour except at 18:00 and 00:00, and at 22:00 on Sundays (at the start of the Westminster Hour) when they are replaced by the striking of
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discourages any other sound being broadcast at the same time as the pips; doing so is commonly known as "crashing the pips". This was most often referred to on
1172: 1690: 1961: 538:. Part of Humphrys' surprise was probably because of his deliberate avoidance of crashing the pips with the help of an accurate clock in the studio. 1524: 607: 107:
There are six pips (short beeps) in total, which occur on each of the 5 seconds leading up to the hour and on the hour itself. Each pip is a 1
1254: 897:. Polish Radio broadcasts 5 pips and 1 beep before the hour from the Laboratory of Time and Frequency of the Central Office of Measures in Warsaw. 1354: 1602: 681: 2434: 2429: 1882: 1852: 1825: 1768: 1574: 685: 655:
at 13:00 EST/EDT. It was Canada's longest running radio feature and had been broadcast every day from 5 November 1939 until 10 October 2023.
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Newer digital broadcasting methods have introduced even greater problems for the accuracy of use of the pips. On digital platforms such as
1122: 2040: 931: 755:– The national radio channel Kossuth broadcasts five stereophonic pips at the top of every hour, the fifth being longer than the others. 238: 1272: 959:) and increases by 20 ms every hour, up to 560 ms at 23:00 UTC+3 (the first 5 pips always are 100 ms long). Russia's state television 698:
broadcasts pips similar to the BBC on the hour at 07:00hrs daily at the start of the Big Breakfast show with Rob Stevens and Nadine.
2565: 495:, which incorporates a variant of the pips (though not actually broadcast exactly on the hour). The footage can be seen on his DVD 1033:
broadcasts a single tone on the hour before the hourly news broadcasts. This is also the case for all-news radio stations such as
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uses the signal at other times as well. The signal is generated at each quarter-hour and has on occasion been broadcast in error.
1932: 794: 2905: 2685: 1407: 197:. The pips were previously used at 19:00 on Saturday evenings at the start of Radio 1's 12-hour simulcast with digital station 115: 514:'s breakfast show. This was not strictly "crashing the pips" as they were not intended to be used as an accurate time signal. 166:, the pips are used at 07:00, 08:00 and 17:00 on weekdays, at 07:00 and 08:00 on Saturdays and at 08:00 and 09:00 on Sundays. 3454: 2617: 2560: 2186: 1081: 644: 439: 3209: 688:
and on the Regional Stations (3 little pips and 1 long pipe). The pips are not played at special programs and Transmission.
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at 06:30 just after the news, 09:00 as part of the "Tedious Link" feature, 10:00 (at the end of the show) and often before
1798:[For the first time since the establishment of the state: a historical change in the Kan Reshet Bet news report]. 374:
of the digital signal causes a delay, of usually between 2 and 8 seconds. In the case of satellite broadcasting, the
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programme broadcast a sequence that included a re-working of the Happy Birthday melody using the GTS as its base sound.
1909: 1020: 1044:– JRT broadcast the six pips before the news (on the hour) on radio as well as on television, before the start of the 785:
and an a cappella singing the name of the broadcaster "Kan". This jingle replaced the original 6 tones that played on
749:, are broadcast every half-hour during the day and on the hour at night, immediately before the news headline reports. 2951: 2298: 2084: 946: 941: 551:
Service; some shorten it to five, four, or three tones. On some broadcasters the final pip is of a different pitch.
3049: 2671: 2256: 1434: 302: 3168: 2580: 2570: 2200: 2033: 1715: 1497: 2060: 1628: 1532: 1058:– At the beginning of every hour, bells can be heard, then an announcer reads "It is now ... o'clock?", used on 492: 3098: 2849: 2775: 2634: 2214: 1180: 2898: 2154: 790: 3297: 2891: 2863: 2575: 2544: 2466: 2263: 2221: 648: 3084: 3000: 2993: 2930: 2713: 2098: 408: 403: 1258: 3230: 3133: 3021: 2937: 2835: 2650: 2277: 2105: 2026: 1553: 1362: 789:'s hourly newscasts - six tones, with the sixth tone being longer. As of 2017 (when public broadcaster 355: 351: 45: 1298: 906:
does not broadcast the pips on special reports and presentations. The pips are not being broadcast on
3119: 2610: 2492: 2460: 2161: 2133: 2119: 1603:"'Irrelevant and irritating': The familiar beeps heard every hour to disappear from radio broadcasts" 1147: 1059: 974: 915: 849: 3325: 2870: 2678: 907: 634: 329: 194: 1273:"Adjusting after a 'long' weekend at the Royal Observatory – Precision clocks and the leap second" 3415: 3028: 2979: 2958: 2720: 2699: 1878: 1821: 1764: 1654: 1570: 898: 74: 3154: 2529: 2270: 1118: 1107: 620: 446: 3070: 2657: 1742: 1228: 746: 344: 258: 175: 153: 934:
at from 06:00 to 18:00 (2 little pips at :58 and :59 and 1 beep at :00) before the newscast.
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transmits an audible signal every 15 minutes, composed by the first four notes of the song "
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The pips for national radio stations and some local radio stations are timed relative to
3364: 3311: 2986: 2884: 2706: 2398: 2372: 2367: 1988: 1795: 960: 673: 624: 603: 565: 424: 399: 298: 206: 41:, is a series of six short tones (or "pips") broadcast at one-second intervals by many 3410: 3357: 3304: 3272: 3105: 2965: 2228: 2049: 1937: 834:– All Lithuanian public & commercial radio stations broadcasting every hour, but 616: 223: 133: 3400: 3385: 3265: 3237: 3147: 3140: 2842: 2828: 2419: 2357: 2352: 2193: 1063: 903: 593: 395: 394:
The pips have been broadcast daily since 5 February 1924, and were the idea of the
216: 1202: 3405: 3290: 3202: 3161: 2782: 2524: 2168: 1326: 984: 782: 762: 731: 569: 507: 375: 230: 202: 198: 156:. No time signal is broadcast at 10:00 on Sundays, before the omnibus edition of 611: 3350: 3126: 3112: 3091: 3077: 3042: 2796: 2514: 2471: 2284: 2249: 2207: 2140: 2091: 1990:
Russia - Channel One - Vremya («Время») - Intro/Outro (Russia Day - 12/06/2022)
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In 1999, pip-like sounds were incorporated into the themes written by composer
1887: 1856: 1830: 1773: 1737: 1691:"The end of the long dash: CBC stops broadcasting official 1 p.m. time signal" 1663: 1579: 772: 378:
of the signal to and from the satellite adds about another 0.25 seconds.
3448: 3216: 3195: 3175: 3035: 2877: 2727: 2692: 2481: 2235: 1085: 1076: 1026: 894: 652: 573: 535: 523: 340: 306: 273: 21: 1466: 1385: 771:– Six pips are broadcast before news bulletins at 00:00, 07:00 and 13:00 on 386: 2944: 2734: 2486: 2476: 2454: 2403: 2305: 963:
broadcasts 6 tones too (at the end of a short melody) before newscasts and
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The Greenwich Time Signal was the first sound heard in the handover to the
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on 23 November 2023 to coincide with the station's 100th anniversary,
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on 1 January 1982, the pips were used to sound similar to the BBC's.
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Although normally broadcast only on the hour by BBC domestic radio,
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before newscast and welcoming the year. The pips were also used on
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To celebrate the 90th birthday of the pips on 5 February 2014, the
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was moved to its current term at the bottom of the hour (7:30 pm).
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In the late 1980s Radio 1 featured the pips played over a station
485:, the BBC developed a "pips" ring-tone which could be downloaded. 189:
was the only show where the pips were broadcast on the half-hour.
1774:"תאגיד השידור הציבורי "כאן"- אותות הפתיחה והסיום של החדשות ברדיו" 1055: 937: 752: 727: 724:
network also air four pips that are a little longer than Inter's.
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is diminished by the time lags involved in digital broadcasting.
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at 8:00 pm. The broadcast on TV was stopped in 1974 because the
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in which the sound was made into a small tune between the pips.
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plays the six pips at the top of every hour. Additionally, a
810: 800: 758: 691: 658: 371: 111: 317:-synchronised clock. The broadcast pips usefulness for time 1108:"Network Radio: New Time and Frequency distribution system" 742: 313:. On other stations, the pips are generated locally from a 918:
sińce 2023. The pips in commercial radio are broadcast on
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is played before the 7:00 and 9:00 news on Morning Report.
745:'s radio channels. The signals, which are provided by the 193:
continues to use the pips at the beginning of his show on
814: 804: 707: 589: 585: 581: 577: 467: 314: 310: 290: 126: 1933:"RNZ's pips are changing - Can you hear the difference?" 1796:"לראשונה מקום המדינה: שינוי היסטורי במהדורות כאן רשת ב" 710:'s radio services the pips are broadcast on the hour. 281:
used the pips to commemorate 90 years of BBC Radio.
602:- Some news stations, such as the national station 449:, but this practice was discontinued by the 1960s. 185:. As most stations only air the pips on the hour, 1738:"Time Synchronization with Hong Kong Time System" 545: 522:At 8 am on 17 September 2008, to the surprise of 3475:Telecommunications-related introductions in 1924 3446: 615:Atlântida FM, which broadcasts to the states of 328:as far as 160 kilometres (100 mi) from the 114:tone (about a fifth of a semitone above musical 1911:Vanaf vandaag: vernieuwde 'pips' op NPO Radio 1 893:- The main radio broadcaster using the pips is 672:- The pips are broadcast on Czech Public Radio 411:that had electrical contacts attached to their 1435:"The Radio 4 Pips – How you download the pips" 1229:"The comforting tone of the hourly radio pips" 2611: 2034: 390:The machine used to generate the pips in 1970 1522: 1495: 991:plays 5 pips at the start of each news hour. 1962:"Squawk-back radio: RNZ bird call turns 50" 1554:"The Pips return from a 3 hour break" 1408:"Pip, pip! Woman of Today is gone tomorrow" 1405: 793:got shut down and replaced by the IPBC or " 125:occurs (exactly one second before midnight 2618: 2604: 2041: 2027: 1716:"Yleisradion aikamerkki on radioklassikko" 1670:(in Brazilian Portuguese). 9 November 2020 1321: 1319: 1275:. Royal Museums Greenwich. Archived from 1257:. Royal Museums Greenwich. Archived from 1179:. Royal Museums Greenwich. Archived from 765:before starting its Delhi news bulletins. 418:The Royal Greenwich Observatory moved to 370:by the listener exactly on the hour. The 245:programmes. They are still used today on 2566:British East Mediterranean Relay Station 572:at the top of every hour, as well as on 385: 20: 1688: 1491: 1489: 1352: 1105: 16:Series of six pips broadcast by the BBC 3447: 2906:The Poet Laureate Has Gone To His Shed 1959: 1383: 1316: 440:Beijing 2008 Olympics closing ceremony 427:if the main line became disconnected. 2599: 2187:A History of the World in 100 Objects 2048: 2022: 1802:(in Hebrew). Israel. 3 September 2023 1128:from the original on 12 February 2024 1082:National Research Council Time Signal 1013:, and Europa FM use a similar effect. 645:National Research Council Time Signal 517: 219:do not currently broadcast the pips. 1498:"What happened to the Radio 4 pips?" 1486: 1299:"Greenwich Time Signal - the 'pips'" 461: 445:The pips were also broadcast by the 2686:John Finnemore's Souvenir Programme 2540:BBC News (international TV channel) 1664:"Como surgiu o sinal da Atlântida?" 1399: 1384:Lister, Charles (5 February 2014). 914:, other digital radio stations and 741:– A six-pip time signal is used on 13: 2435:Former newsreaders and journalists 1021:Sri Lanka Broadcasting Corporation 526:, the day's main presenter on the 63: 14: 3486: 2430:Current newsreaders and reporters 2007: 1355:"Baton Passed to London for 2012" 1353:Simpson, Peter (25 August 2008). 1203:"Leap second: Keeper of the pips" 1152:www.royalobservatorygreenwich.org 3429: 3428: 2059: 1960:Little, Paul (4 December 2023). 1689:Taekema, Dan (10 October 2023). 1406:Tom Leonard (28 February 2002). 226:broadcasts the pips every hour. 98:Problems playing this file? See 79: 2625: 1981: 1953: 1925: 1902: 1871: 1845: 1814: 1788: 1757: 1730: 1708: 1682: 1647: 1621: 1595: 1563: 1547: 1516: 1459: 1427: 1377: 1346: 940:- Romanian state radio channel 2776:BBC National Short Story Award 1468:'Pips' slip in BBC radio error 1291: 1265: 1247: 1221: 1195: 1165: 1140: 1099: 803:– The National Italian Radio " 546:Similar time signals elsewhere 90:The first five pips and 1 beep 1: 1581:ABC Radio incoming News sound 1255:"Leap years and leap seconds" 1092: 967:(the primetime news program). 536:switching it off and on again 229:Pips were also heard on many 3455:BBC World Service programmes 2545:BBC World Service Television 1523:Harry Wallop (31 May 2011). 1496:Denis Nowlan (1 June 2011). 1148:"The Greenwich Time Service" 1106:McIlroy, Jim (Spring 1990). 887:before its startup at 17:00. 606:, and the regional stations 303:National Physical Laboratory 56: 49:extension of the mechanical 7: 2714:Thanks a Lot, Milton Jones! 1233:BBC News (Magazine Monitor) 1070: 912:Polskie Radio dla Zagranicy 409:Royal Greenwich Observatory 402:, and the head of the BBC, 332:, which is the distance to 284: 10: 3491: 3470:Time in the United Kingdom 3465:International broadcasting 3460:Time signal radio stations 3231:From Our Own Correspondent 2672:I'm Sorry I Haven't a Clue 2106:From Our Own Correspondent 1890:. YouTube. 6 December 2007 381: 3424: 3378: 3342: 3282: 3185: 2922: 2813: 2758: 2642: 2633: 2553: 2502: 2467:Prince of Denmark's March 2412: 2386: 2315: 2178: 2069: 2058: 2014:The Greenwich Time Signal 1855:. YouTube. Archived from 1718:(in Finnish). 7 July 2008 1328:Sci/Tech – Six pip salute 1060:Voice of Ho Chi Minh City 947:Radio România Actualități 942:Radio România Actualități 649:Ici Radio-Canada Première 491:'s BBC Rave includes the 3001:Gardeners' Question Time 2679:The Infinite Monkey Cage 1502:Radio 4 and 4 Extra Blog 1359:South China Morning Post 883:– The pips are heard on 651:at 12:00 EST/EDT and on 330:Droitwich AM transmitter 139: 3416:Timeline of BBC Radio 4 2721:The Museum of Curiosity 1386:"The 'time pips' at 90" 761:– Six pips are used by 647:was broadcast daily on 2749:The Unbelievable Truth 2530:BBC Persian Television 1833:. YouTube. 9 June 2015 1776:. YouTube. 22 May 2017 1560:Retrieved 31 May 2011. 447:BBC Television Service 391: 301:synchronised with the 169:The pips were used on 68: 37:), popularly known as 26: 3396:Greenwich Time Signal 3071:The Listening Project 2445:Greenwich Time Signal 1743:Hong Kong Observatory 1088:indicator for 1300 ET 908:Polskie Radio Czwórka 899:Polskie Radio Jedynka 747:Hong Kong Observatory 477:As a contribution to 389: 372:encoding and decoding 187:The Chris Moyles Show 176:The Chris Moyles Show 154:Palace of Westminster 75:Greenwich Time Signal 67: 31:Greenwich Time Signal 25:Graph of the six pips 24: 3319:Something Understood 3259:The Westminster Hour 2700:Mark Steel's in Town 2510:BBC Learning English 1967:New Zealand Listener 1525:"Radio 4's pips die" 1261:on 22 February 2014. 1177:Astronomy & Time 916:Polskie Radio Trójka 663:China National Radio 436:London 2012 Olympics 362:, the pips—although 358:, satellite and the 3333:Thought for the Day 3252:Today in Parliament 3064:The Life Scientific 3050:The Kitchen Cabinet 2973:Crossing Continents 2913:With Great Pleasure 2857:Desert Island Discs 2292:World Have Your Say 1853:"NHK 1987年 ニュースOP集" 1475:, 17 September 2008 1413:The Daily Telegraph 1279:on 22 February 2014 1183:on 22 February 2014 576:talkback stations- 564:– Pips are used on 420:Herstmonceux Castle 366:accurately—are not 297:in the basement of 243:BBC Television News 3365:Test Match Special 3312:Prayer for the Day 3210:Broadcasting House 2987:The Food Programme 2885:Round Britain Quiz 2707:Meet David Sedaris 1859:on 2 February 2019 1609:. 23 November 2023 1209:. 30 December 2008 1173:"What's the time?" 625:Here Comes the Sun 604:Radio Bandeirantes 566:ABC Radio National 518:Technical problems 425:Broadcasting House 400:Frank Watson Dyson 392: 299:Broadcasting House 207:Remembrance Sunday 69: 27: 3442: 3441: 3411:BBC Radio 4 Extra 3374: 3373: 3358:Shipping Forecast 3305:The Daily Service 3273:The World Tonight 2966:Costing the Earth 2665:Ed Reardon's Week 2593: 2592: 2589: 2588: 2554:Transmitter sites 2316:Language services 2229:Front Line Family 2179:Former programmes 2148:Science in Action 2051:BBC World Service 1635:. 29 October 2023 1584:, 8 December 2017 1335:, 5 February 1999 1235:. 5 February 2014 617:Rio Grande do Sul 510:' early show and 462:Crashing the pips 224:BBC World Service 134:BBC World Service 85: 3482: 3432: 3431: 3401:BBC Home Service 3386:Radio 4 UK Theme 3266:The World at One 3148:Tweet of the Day 3141:Thinking Allowed 2871:Pick of the Week 2843:Brain of Britain 2829:Book of the Week 2640: 2639: 2620: 2613: 2606: 2597: 2596: 2561:Ascension Island 2503:Related articles 2420:BBC Media Action 2194:Caribbean Voices 2067: 2066: 2063: 2052: 2043: 2036: 2029: 2020: 2019: 2001: 2000: 1999: 1997: 1985: 1979: 1978: 1976: 1974: 1957: 1951: 1950: 1948: 1946: 1929: 1923: 1922: 1921: 1919: 1906: 1900: 1899: 1897: 1895: 1875: 1869: 1868: 1866: 1864: 1849: 1843: 1842: 1840: 1838: 1818: 1812: 1811: 1809: 1807: 1792: 1786: 1785: 1783: 1781: 1761: 1755: 1754: 1752: 1750: 1734: 1728: 1727: 1725: 1723: 1712: 1706: 1705: 1703: 1701: 1686: 1680: 1679: 1677: 1675: 1651: 1645: 1644: 1642: 1640: 1625: 1619: 1618: 1616: 1614: 1599: 1593: 1592: 1591: 1589: 1567: 1561: 1551: 1545: 1544: 1542: 1540: 1535:on 21 April 2013 1531:. 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1100: 1095: 1073: 985:Sindhi language 763:All India Radio 732:Deutschlandfunk 678:ČRo Radiožurnál 570:ABC Local Radio 548: 530:programme, and 520: 464: 384: 287: 231:BBC Local Radio 203:Remembrance Day 199:BBC Radio 1Xtra 142: 105: 104: 96: 94: 93: 92: 91: 88: 80: 77: 70: 64: 59: 17: 12: 11: 5: 3488: 3478: 3477: 3472: 3467: 3462: 3457: 3440: 3439: 3437: 3436: 3425: 3422: 3421: 3419: 3418: 3413: 3408: 3403: 3398: 3393: 3388: 3382: 3380: 3376: 3375: 3372: 3371: 3369: 3368: 3361: 3354: 3351:Radio 4 Appeal 3346: 3344: 3340: 3339: 3337: 3336: 3329: 3322: 3315: 3308: 3301: 3294: 3286: 3284: 3280: 3279: 3277: 3276: 3269: 3262: 3255: 3248: 3241: 3234: 3227: 3220: 3213: 3206: 3203:Any Questions? 3199: 3191: 3189: 3183: 3182: 3180: 3179: 3172: 3165: 3158: 3151: 3144: 3137: 3130: 3127:Start the Week 3123: 3116: 3113:Reith Lectures 3109: 3102: 3095: 3092:The Moral Maze 3088: 3081: 3078:The Media Show 3074: 3067: 3060: 3053: 3046: 3043:Inside Science 3039: 3032: 3025: 3018: 3011: 3004: 2997: 2990: 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Index


BBC Radio
stations
time balls
Greenwich Time Signal
media help
k
Hz
B5
leap second
UTC
BBC World Service
BBC Radio 4
Big Ben
Palace of Westminster
The Archers
BBC Radio 2
BBC Radio 1
The Chris Moyles Show
Newsbeat
Chris Moyles
Radio X
BBC Radio 1Xtra
Remembrance Day
Remembrance Sunday
BBC Radio 3
BBC Radio 5 Live
BBC World Service
BBC Local Radio
David Lowe

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