Knowledge

File:Usno-mc.jpg

Source 📝

261: 435:"}},"text\/plain":{"en":{"":"inception"}}},"{\"value\":{\"time\":\"+2008-12-20T00:00:00Z\",\"timezone\":0,\"before\":0,\"after\":0,\"precision\":11,\"calendarmodel\":\"http:\\\/\\\/www.wikidata.org\\\/entity\\\/Q1985727\"},\"type\":\"time\"}":{"text\/html":{"en":{"P571":"20 December 2008"}},"text\/plain":{"en":{"P571":"20 December 2008"}}}}": --> 335: 72: 355:"}},"text\/plain":{"en":{"":"determination method"}}},"{\"value\":{\"entity-type\":\"item\",\"numeric-id\":60671452,\"id\":\"Q60671452\"},\"type\":\"wikibase-entityid\"}":{"text\/html":{"en":{"P459":" 351:"}},"text\/plain":{"en":{"P1001":"United States of America"}}},"{\"value\":{\"entity-type\":\"property\",\"numeric-id\":459,\"id\":\"P459\"},\"type\":\"wikibase-entityid\"}":{"text\/html":{"en":{"":" 347:"}},"text\/plain":{"en":{"":"applies to jurisdiction"}}},"{\"value\":{\"entity-type\":\"item\",\"numeric-id\":30,\"id\":\"Q30\"},\"type\":\"wikibase-entityid\"}":{"text\/html":{"en":{"P1001":" 339:"}},"text\/plain":{"en":{"":"copyright status"}}},"{\"value\":{\"entity-type\":\"item\",\"numeric-id\":19652,\"id\":\"Q19652\"},\"type\":\"wikibase-entityid\"}":{"text\/html":{"en":{"P6216":" 343:"}},"text\/plain":{"en":{"P6216":"public domain"}}},"{\"value\":{\"entity-type\":\"property\",\"numeric-id\":1001,\"id\":\"P1001\"},\"type\":\"wikibase-entityid\"}":{"text\/html":{"en":{"":" 431: 528:{{Information |Description={{en|1=USNO Master Clock and Clock Ensemble, Washington D.C.}} |Source=http://tycho.usno.navy.mil/gif/clockvaults.jpg |Author=US Naval Observatory |Date= |Permission= |other_versions= }} <!--{{ImageUpload|full}}--> 43: 356: 340: 344: 336: 187:
All information on this site is public domain and may be distributed or copied unless otherwise specified. Use of appropriate byline/photo/image credits is requested.
432: 352: 348: 135: 127: 359:"}},"text\/plain":{"en":{"P459":"work of the federal government of the United States"}}}}": --> 700: 174: 271:
This file has been identified as being free of known restrictions under copyright law, including all related and neighboring rights.
245: 417: 690: 241: 793:
This file contains additional information, probably added from the digital camera or scanner used to create or digitize it.
382: 395: 366: 552: 442: 410: 325: 402: 567: 796:
If the file has been modified from its original state, some details may not fully reflect the modified file.
605: 134:. This provides the time standard for the US military. The large black object in the foreground is a 126:
US Naval Observatory's (USNO) Master Clock Ensemble, Washington D.C., made up of a large number of
83: 91: 51: 635: 577: 557: 270: 572: 8: 237: 740: 78: 315: 770: 685: 595: 155: 250: 510: 505: 42: 720: 675: 562: 542: 182: 521: 452: 376: 630: 478:
Click on a date/time to view the file as it appeared at that time.
730: 547: 240:, taken or made as part of that person's official duties. As a 620: 66: 655: 309:
Add a one-line explanation of what this file represents
780: 765: 760: 710: 536: 750: 586: 476: 138:(formerly Sigma-Tau) MHM-2010 active hydrogen maser. 90:
Commons is a freely licensed media file repository.
665: 418:
work of the federal government of the United States
357:
work of the federal government of the United States
236:This file is a work of a sailor or employee of the 645: 615: 279:https://creativecommons.org/publicdomain/mark/1.0/ 56:(600 × 357 pixels, file size: 36 KB, MIME type: 156:http://tycho.usno.navy.mil/gif/clockvaults.jpg 71: 169: 143: 113: 161: 151: 14: 588:The following other wikis use this file: 285:Creative Commons Public Domain Mark 1.0 147:20 December 2008 (original upload date) 538:The following 8 pages use this file: 228: 102: 771:User:YULdigitalpreservation/Hardware 223: 469: 13: 791: 553:Department of Defense master clock 314: 308: 259: 234: 120: 103: 49: 817: 798: 313: 299: 227: 70: 31: 21: 721:United States Naval Observatory 676:United States Naval Observatory 568:United States Naval Observatory 296: 121: 46:No higher resolution available. 583: 473: 295: 26: 1: 183:Security & Privacy Policy 36: 533: 321:Items portrayed in this file 199: 7: 788: 602:Usage on azb.wikipedia.org 10: 822: 777:Usage on zh.wikipedia.org 757:Usage on www.wikidata.org 747:Usage on sv.wikipedia.org 737:Usage on sr.wikipedia.org 727:Usage on sh.wikipedia.org 717:Usage on pl.wikipedia.org 707:Usage on ms.wikipedia.org 697:Usage on mk.wikipedia.org 682:Usage on ja.wikipedia.org 672:Usage on it.wikipedia.org 662:Usage on id.wikipedia.org 652:Usage on hr.wikipedia.org 642:Usage on gl.wikipedia.org 627:Usage on fa.wikipedia.org 612:Usage on es.wikipedia.org 592:Usage on ar.wikipedia.org 110: 105: 470: 269: 258: 226: 130:5071A cesium beam clocks 16: 403:United States of America 349:United States of America 298: 77:This is a file from the 41: 527: 506:22:25, 20 December 2008 396:applies to jurisdiction 345:applies to jurisdiction 246:U.S. federal government 146: 81:. Information from its 264: 84:description page there 578:User:Navy Smart/01 01 558:List of atomic clocks 263: 254:in the United States. 573:User:DevWala/sandbox 411:determination method 353:determination method 165:US Naval Observatory 132:(rack in background) 265: 809: 808: 584:Global file usage 531: 307: 276: 275: 222: 221: 193: 192: 178: 175:Reusing this file 99: 98: 79:Wikimedia Commons 32:Global file usage 813: 799: 731:Atomski časovnik 701:Атомски часовник 518: 480: 458:20 December 2008 420: 415: 405: 400: 367:copyright status 337:copyright status 305: 292: 289: 286: 283: 280: 262: 231: 230: 224: 218: 215: 212: 209: 204: 203: 172: 125: 117: 111: 95: 74: 73: 67: 61: 59: 821: 820: 816: 815: 814: 812: 811: 810: 787: 582: 532: 524: 516: 472: 471: 468: 467: 466: 465: 464: 463: 462: 461: 459: 449: 448: 447: 445: 430: 429: 428: 427: 426: 425: 424: 423: 422: 421: 416: 413: 407: 406: 401: 398: 389: 388: 387: 385: 373: 372: 371: 369: 334: 333: 332: 331: 330: 328: 312: 311: 310: 290: 287: 284: 281: 278: 260: 256: 248:, it is in the 216: 213: 210: 207: 202: 194: 139: 115: 108: 101: 100: 89: 88: 87:is shown below. 63: 57: 55: 48: 47: 12: 11: 5: 819: 807: 806: 803: 790: 786: 785: 784: 783: 775: 774: 773: 768: 763: 755: 754: 753: 745: 744: 743: 735: 734: 733: 725: 724: 723: 715: 714: 713: 705: 704: 703: 695: 694: 693: 688: 680: 679: 678: 670: 669: 668: 660: 659: 658: 650: 649: 648: 640: 639: 638: 633: 625: 624: 623: 618: 610: 609: 608: 600: 599: 598: 585: 581: 580: 575: 570: 565: 560: 555: 550: 545: 535: 530: 529: 526: 522: 519: 513: 508: 503: 499: 498: 495: 492: 489: 486: 483: 475: 460: 457: 455: 454: 453: 451: 450: 446: 441: 439: 438: 437: 436: 434: 409: 408: 394: 393: 392: 391: 390: 386: 381: 379: 378: 377: 375: 374: 370: 365: 363: 362: 361: 360: 358: 354: 350: 346: 342: 338: 329: 324: 322: 319: 318: 317: 316: 304: 303: 300: 297: 274: 273: 267: 266: 257: 232: 220: 219: 201: 198: 191: 190: 179: 167: 166: 163: 159: 158: 153: 149: 148: 145: 141: 140: 118: 109: 107: 104: 97: 96: 75: 65: 64: 45: 40: 39: 34: 29: 24: 19: 9: 6: 4: 3: 2: 818: 804: 801: 800: 797: 794: 782: 779: 778: 776: 772: 769: 767: 764: 762: 759: 758: 756: 752: 749: 748: 746: 742: 739: 738: 736: 732: 729: 728: 726: 722: 719: 718: 716: 712: 709: 708: 706: 702: 699: 698: 696: 692: 689: 687: 684: 683: 681: 677: 674: 673: 671: 667: 664: 663: 661: 657: 654: 653: 651: 647: 644: 643: 641: 637: 634: 632: 629: 628: 626: 622: 621:Reloj maestro 619: 617: 614: 613: 611: 607: 604: 603: 601: 597: 594: 593: 591: 590: 589: 579: 576: 574: 571: 569: 566: 564: 561: 559: 556: 554: 551: 549: 546: 544: 541: 540: 539: 525: 520: 514: 512: 509: 507: 504: 501: 500: 496: 493: 490: 487: 484: 482: 481: 479: 456: 444: 440: 419: 412: 404: 397: 384: 383:public domain 380: 368: 364: 341:public domain 327: 323: 320: 301: 294: 293: 272: 268: 255: 253: 252: 251:public domain 247: 243: 239: 233: 225: 211:Public domain 208:Public domain 206: 205: 197: 196: 188: 184: 181:Per source's 180: 176: 171: 168: 164: 160: 157: 154: 150: 142: 137: 133: 129: 124: 119: 112: 93: 86: 85: 80: 76: 69: 68: 62: 53: 44: 38: 35: 33: 30: 28: 25: 23: 20: 18: 15: 795: 792: 587: 563:Master clock 543:Atomic clock 537: 477: 474:File history 277: 249: 235: 195: 186: 131: 122: 92:You can help 82: 50: 22:File history 656:Atomski sat 606:آتوم ساعاتی 136:Symmetricom 128:Symmetricom 116:Usno-mc.jpg 114:Description 52:Usno-mc.jpg 802:_error 534:File usage 515:600 × 357 491:Dimensions 170:Permission 58:image/jpeg 27:File usage 691:アメリカ海軍天文台 636:ساعت اصلی 488:Thumbnail 485:Date/Time 443:inception 433:inception 238:U.S. Navy 200:Licensing 123:English: 789:Metadata 766:Q5260243 761:Q1000863 711:Jam atom 302:Captions 37:Metadata 751:GPS-tid 741:Цезијум 548:Caesium 517:(36 KB) 502:current 497:Comment 326:depicts 306:English 244:of the 106:Summary 54:‎ 666:Sesium 596:سيزيوم 523:Coenen 162:Author 152:Source 646:Cesio 616:Cesio 291:false 288:false 217:false 214:false 686:セシウム 631:ساعت 494:User 242:work 144:Date 17:File 282:PDM 185:: " 414:: 399:: 805:0 781:铯 189:" 177:) 173:( 94:. 60:)

Index

File
File history
File usage
Global file usage
Metadata
File:Usno-mc.jpg
Usno-mc.jpg
Wikimedia Commons
description page there
You can help
Symmetricom
Symmetricom
http://tycho.usno.navy.mil/gif/clockvaults.jpg
Reusing this file
Security & Privacy Policy
U.S. Navy
work
U.S. federal government
public domain
This file has been identified as being free of known restrictions under copyright law, including all related and neighboring rights.
depicts
copyright status<\/a>"}},"text\/plain":{"en":{"":"copyright status"}}},"{\"value\":{\"entity-type\":\"item\",\"numeric-id\":19652,\"id\":\"Q19652\"},\"type\":\"wikibase-entityid\"}":{"text\/html":{"en":{"P6216":"public domain<\/a>"}},"text\/plain":{"en":{"P6216":"public domain"}}},"{\"value\":{\"entity-type\":\"property\",\"numeric-id\":1001,\"id\":\"P1001\"},\"type\":\"wikibase-entityid\"}":{"text\/html":{"en":{"":"applies to jurisdiction<\/a>"}},"text\/plain":{"en":{"":"applies to jurisdiction"}}},"{\"value\":{\"entity-type\":\"item\",\"numeric-id\":30,\"id\":\"Q30\"},\"type\":\"wikibase-entityid\"}":{"text\/html":{"en":{"P1001":"United States of America<\/a>"}},"text\/plain":{"en":{"P1001":"United States of America"}}},"{\"value\":{\"entity-type\":\"property\",\"numeric-id\":459,\"id\":\"P459\"},\"type\":\"wikibase-entityid\"}":{"text\/html":{"en":{"":"determination method<\/a>"}},"text\/plain":{"en":{"":"determination method"}}},"{\"value\":{\"entity-type\":\"item\",\"numeric-id\":60671452,\"id\":\"Q60671452\"},\"type\":\"wikibase-entityid\"}":{"text\/html":{"en":{"P459":"work of the federal government of the United States<\/a>"}},"text\/plain":{"en":{"P459":"work of the federal government of the United States"}}}}">

copyright status
public domain
applies to jurisdiction
United States of America
determination method
work of the federal government of the United States
inception<\/a>"}},"text\/plain":{"en":{"":"inception"}}},"{\"value\":{\"time\":\"+2008-12-20T00:00:00Z\",\"timezone\":0,\"before\":0,\"after\":0,\"precision\":11,\"calendarmodel\":\"http:\\\/\\\/www.wikidata.org\\\/entity\\\/Q1985727\"},\"type\":\"time\"}":{"text\/html":{"en":{"P571":"20 December 2008"}},"text\/plain":{"en":{"P571":"20 December 2008"}}}}">

Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.