{"id":15298,"date":"2024-08-02T14:57:02","date_gmt":"2024-08-02T12:57:02","guid":{"rendered":"https:\/\/www.ufe.cz\/research\/laboratory-of-the-national-time-and-frequency-standard-about-team\/laboratories\/laborator-statniho-etalonu-casu-a-frekvence-pridruzena-laborator-cmi\/"},"modified":"2025-12-18T10:51:27","modified_gmt":"2025-12-18T09:51:27","slug":"laboratory-of-the-national-time-and-frequency-standard","status":"publish","type":"page","link":"https:\/\/www.ufe.cz\/en\/research\/laboratory-of-the-national-time-and-frequency-standard\/laboratories\/laboratory-of-the-national-time-and-frequency-standard\/","title":{"rendered":"Laboratory of the National Time and Frequency Standard (CMI Associate Laboratory)"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-page\" data-elementor-id=\"15298\" class=\"elementor elementor-15298 elementor-10743\" data-elementor-post-type=\"page\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-235290f elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"235290f\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-38ee4e2\" data-id=\"38ee4e2\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-c65ab34 elementor-widget elementor-widget-text-editor\" data-id=\"c65ab34\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p><strong>Main tasks:<\/strong><\/p><ul><li>Physical realization of the TAI second.<\/li><li>Generation of the national time scale UTC(TP).<\/li><li>Linking the atomic clocks in the Czech Republic to UTC(TP), time transfer from\/to LNTFS via global navigation systems or optical links.<\/li><li>Participation on generating the UTC time scale in cooperation with BIPM. Reporting of the atomic scales in the Czech Republic to BIPM.<\/li><li>Generation of standard frequencies with very high short-term frequency stability.<\/li><\/ul><div><strong>Services:<\/strong><\/div><div><ul><li>Dissemination of UTC(TP) via Internet using the Network Time Protocol and Time Stamp Authorities.<\/li><li>High-accuracy calibrations of industrial atomic frequency sources, ultra-stable quartz oscillators, and GPS-disciplined frequency sources and clocks.<\/li><li>Consultations and expertises.<\/li><\/ul><p><strong>Equipment:<\/strong><\/p><ul><li>High-performance Cesium-beam atomic clocks 5071A.<\/li><li>Time-transfer GPS receivers GTR-50 designed in \u00daFE in cooperation with DICOM, spol. s r.o.<\/li><li>Network Time Protocol (NTP) servers and Time Stamp Authorities (TSA) designed by CESNET, z.s.p.o.<\/li><li>Ultra-stable 5\u00a0MHz BVA reference oscillators Oscilloquartz 8600-BC5GE.<\/li><li>Time interval analyzer TSC 5110A.<\/li><li>Phase Noise Detector FSS1000E with FFT Spectrum Analyzer SR760.<\/li><li>Laboratory comparators based on dual-mixer time-difference multiplacation, universal time interval counters SR620.<\/li><li>Optical receivers and transmitters for transmission via optical fiber links desinged in \u00daFE.<\/li><\/ul><\/div>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-721df97 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"721df97\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-0d8e824\" data-id=\"0d8e824\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-2ba6112 elementor-widget elementor-widget-gallery\" data-id=\"2ba6112\" data-element_type=\"widget\" data-settings=\"{&quot;columns&quot;:3,&quot;lazyload&quot;:&quot;yes&quot;,&quot;gallery_layout&quot;:&quot;grid&quot;,&quot;columns_tablet&quot;:2,&quot;columns_mobile&quot;:1,&quot;gap&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:10,&quot;sizes&quot;:[]},&quot;gap_tablet&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:10,&quot;sizes&quot;:[]},&quot;gap_mobile&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:10,&quot;sizes&quot;:[]},&quot;link_to&quot;:&quot;file&quot;,&quot;aspect_ratio&quot;:&quot;3:2&quot;,&quot;overlay_background&quot;:&quot;yes&quot;,&quot;content_hover_animation&quot;:&quot;fade-in&quot;}\" data-widget_type=\"gallery.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-gallery__container\">\n\t\t\t\t\t\t\t<a class=\"e-gallery-item 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href=\"https:\/\/www.ufe.cz\/wp-content\/uploads\/2024\/08\/lab-lntfs-equip2-large.jpg\" data-elementor-open-lightbox=\"yes\" data-elementor-lightbox-slideshow=\"2ba6112\" data-elementor-lightbox-title=\"lab-lntfs-equip2-large\" data-e-action-hash=\"#elementor-action%3Aaction%3Dlightbox%26settings%3DeyJpZCI6MTA3ODEsInVybCI6Imh0dHBzOlwvXC93d3cudWZlLmN6XC93cC1jb250ZW50XC91cGxvYWRzXC8yMDI0XC8wOFwvbGFiLWxudGZzLWVxdWlwMi1sYXJnZS5qcGciLCJzbGlkZXNob3ciOiIyYmE2MTEyIn0%3D\">\n\t\t\t\t\t<div class=\"e-gallery-image elementor-gallery-item__image\" data-thumbnail=\"https:\/\/www.ufe.cz\/wp-content\/uploads\/2024\/08\/lab-lntfs-equip2-large-300x199.jpg\" data-width=\"300\" data-height=\"199\" aria-label=\"\" role=\"img\" ><\/div>\n\t\t\t\t\t\t\t\t\t\t\t<div class=\"elementor-gallery-item__overlay\"><\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t<a class=\"e-gallery-item elementor-gallery-item elementor-animated-content\" href=\"https:\/\/www.ufe.cz\/wp-content\/uploads\/2024\/08\/lab-lntfs-equip3-large.jpg\" data-elementor-open-lightbox=\"yes\" data-elementor-lightbox-slideshow=\"2ba6112\" data-elementor-lightbox-title=\"lab-lntfs-equip3-large\" data-e-action-hash=\"#elementor-action%3Aaction%3Dlightbox%26settings%3DeyJpZCI6MTA3ODMsInVybCI6Imh0dHBzOlwvXC93d3cudWZlLmN6XC93cC1jb250ZW50XC91cGxvYWRzXC8yMDI0XC8wOFwvbGFiLWxudGZzLWVxdWlwMy1sYXJnZS5qcGciLCJzbGlkZXNob3ciOiIyYmE2MTEyIn0%3D\">\n\t\t\t\t\t<div class=\"e-gallery-image elementor-gallery-item__image\" data-thumbnail=\"https:\/\/www.ufe.cz\/wp-content\/uploads\/2024\/08\/lab-lntfs-equip3-large-300x199.jpg\" data-width=\"300\" data-height=\"199\" aria-label=\"\" role=\"img\" ><\/div>\n\t\t\t\t\t\t\t\t\t\t\t<div class=\"elementor-gallery-item__overlay\"><\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>Main tasks: Physical realization of the TAI second. Generation of the national time scale UTC(TP). Linking the atomic clocks in the Czech Republic to UTC(TP), time transfer from\/to LNTFS via global navigation systems or optical links. Participation on generating the UTC time scale in cooperation with BIPM. Reporting of the atomic scales in the Czech [&hellip;]<\/p>\n","protected":false},"author":5,"featured_media":10746,"parent":15283,"menu_order":32,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"footnotes":""},"acf":[],"_links":{"self":[{"href":"https:\/\/www.ufe.cz\/en\/wp-json\/wp\/v2\/pages\/15298"}],"collection":[{"href":"https:\/\/www.ufe.cz\/en\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.ufe.cz\/en\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.ufe.cz\/en\/wp-json\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/www.ufe.cz\/en\/wp-json\/wp\/v2\/comments?post=15298"}],"version-history":[{"count":0,"href":"https:\/\/www.ufe.cz\/en\/wp-json\/wp\/v2\/pages\/15298\/revisions"}],"up":[{"embeddable":true,"href":"https:\/\/www.ufe.cz\/en\/wp-json\/wp\/v2\/pages\/15283"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.ufe.cz\/en\/wp-json\/wp\/v2\/media\/10746"}],"wp:attachment":[{"href":"https:\/\/www.ufe.cz\/en\/wp-json\/wp\/v2\/media?parent=15298"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}