NBS Special Publication, Issues 556-559U.S. Government Printing Office, 1979 |
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Page v
... Clock Output 90 E. Using Oscilloscope Photography for Greater Measurement Accuracy . 92 5.4.3 USING THE WWV / WWVH ... CLOCKS 68 858 22 2 21 8888 86 87 • 92 93 94 96 . 97 . 98 . 100 . 100 5.6 FINDING THE PROPAGATION PATH DELAY . 5.6.1 ...
... Clock Output 90 E. Using Oscilloscope Photography for Greater Measurement Accuracy . 92 5.4.3 USING THE WWV / WWVH ... CLOCKS 68 858 22 2 21 8888 86 87 • 92 93 94 96 . 97 . 98 . 100 . 100 5.6 FINDING THE PROPAGATION PATH DELAY . 5.6.1 ...
Page viii
... CLOCK . 10.1.10 CLOCK CALIBRATION 10.1.11 RESULTS . 181 Programs for Computing Free - Space Path Delay . 182 . 182 . 182 . 183 • 184 10.1.12 Precautions . A. Interference · C. B. Outages . viii 167 171 175.
... CLOCK . 10.1.10 CLOCK CALIBRATION 10.1.11 RESULTS . 181 Programs for Computing Free - Space Path Delay . 182 . 182 . 182 . 183 • 184 10.1.12 Precautions . A. Interference · C. B. Outages . viii 167 171 175.
Page ix
... CLOCKS 11.2 THE PERFORMANCE OF FREQUENCY SOURCES 11.3 USING RELATIVE FREQUENCY STABILITY DATA 11.4 RESONATORS 11.5 PRIMARY AND SECONDARY STANDARDS 11.6 QUARTZ CRYSTAL OSCILLATORS 191 . 193 194 • . 196 . 197 . 199 11.6.1 TEMPERATURE AND ...
... CLOCKS 11.2 THE PERFORMANCE OF FREQUENCY SOURCES 11.3 USING RELATIVE FREQUENCY STABILITY DATA 11.4 RESONATORS 11.5 PRIMARY AND SECONDARY STANDARDS 11.6 QUARTZ CRYSTAL OSCILLATORS 191 . 193 194 • . 196 . 197 . 199 11.6.1 TEMPERATURE AND ...
Page x
... CLOCK 18 Figure 2.3 CLASSES OF TIME SCALES & ACCURACIES 19 Figure 2.4 Figure 2.5 Figure 2.6 Figure 4.1 Figure 4.2 Figure 4.3 Figure 4.4 DATING OF EVENTS IN THE VICINITY OF A LEAP SECOND STANDARD TIME ZONES OF THE WORLD REFERENCED TO UTC ...
... CLOCK 18 Figure 2.3 CLASSES OF TIME SCALES & ACCURACIES 19 Figure 2.4 Figure 2.5 Figure 2.6 Figure 4.1 Figure 4.2 Figure 4.3 Figure 4.4 DATING OF EVENTS IN THE VICINITY OF A LEAP SECOND STANDARD TIME ZONES OF THE WORLD REFERENCED TO UTC ...
Page xiii
... CLOCK SYNCHRONIZATION PRINTOUT OF NBC LINE - 10 DATA 148 148 Figure 8.6 Figure 8.7 Figure 8.8 TELEVISION NETWORK FREQUENCIES RELATIVE TO THE NBS FREQUENCY STANDARD AS PUBLISHED IN THE NBS TIME & FREQUENCY BULLETIN COMPUTATION OF ...
... CLOCK SYNCHRONIZATION PRINTOUT OF NBC LINE - 10 DATA 148 148 Figure 8.6 Figure 8.7 Figure 8.8 TELEVISION NETWORK FREQUENCIES RELATIVE TO THE NBS FREQUENCY STANDARD AS PUBLISHED IN THE NBS TIME & FREQUENCY BULLETIN COMPUTATION OF ...
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235 shingles accuracy addition aerosol aldehydes alkoxy antenna applied aromatic Atkinson atmospheric atomic benefits benzaldehyde Bureau of Standards calibration Chem chemical chemical kinetics chemistry clock compounds concentrations cost savings crystal oscillator DUT1 emission energy Environmental estimated evaluation Figure formaldehyde formation free radicals frequency source fuel HCHO HO₂ hydrocarbons input internal isobutene kcal ketones kinetic laboratory lead Loran-C lubricating oil measured mechanism metals method microseconds National Bureau Niki NO₂ o-cresol obtained olefins oscillator oscilloscope output oxidation percent peroxy Peroxyacyl nitrate phase Photochemistry photolysis Phys Pitts Pollution present value pressure problem pulse radio rate constants re-refined oil reaction Recycled Oil Relative rate relative to OH resonance samples signal skywave smog chamber specific stations studies Table techniques temperature tion toluene troposphere venting virgin waste oil WWVB WWVH
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Page 114 - THE INSTITUTE FOR BASIC STANDARDS provides the central basis within the United States of a complete and consistent system of physical measurement; coordinates that system with measurement systems of other nations; and furnishes essential services leading to accurate and uniform physical measurements throughout the Nation's scientific community, industry, and commerce.
Page 23 - That the functions of the bureau shall consist in the custody of the standards; the comparison of the standards used in scientific investigations, engineering, manufacturing, commerce, and educational institutions with the standards adopted or recognized by the Government; the construction, when necessary, of standards, their multiples and subdivisions; the testing and calibration of standard measuring apparatus; the solution of problems which arise in connection with standards; the determination...
Page v - In no case does such identification imply recommendation or endorsement by the National Bureau of Standards , nor does it imply that the...
Page 195 - The second is the duration of 9, 192, 631, 770 periods of the radiation corresponding to the transition between the two hyperfine levels of the ground state of the cesium- 133 atom (13th CGPM, 1967).
Page 95 - ... (a) cause or significantly contribute to an increase in mortality or an increase in serious irreversible or incapacitating reversible illness; or (b) pose a substantial present or potential hazard to human health or the environment when improperly treated, stored, transported, or disposed of, or otherwise managed.
Page 232 - THE INSTITUTE FOR MATERIALS RESEARCH conducts materials research leading to improved methods of measurement, standards, and data on the properties of well-characterized materials needed by industry, commerce, educational institutions, and Government; provides advisory and research services to other Government agencies; and develops, produces, and distributes standard reference materials.
Page 232 - ... these efforts; builds and maintains competence in the necessary disciplines required to carry out this research and technical service; develops engineering data and measurement capabilities; provides engineering measurement traceability services; develops test methods and proposes engineering standards and code changes; develops and proposes new engineering practices; and develops and improves mechanisms to transfer results of its research to the utlimate user. The Laboratory consists of the...