MAPAN Journal Volume 21

Number 1, January – March 2006

Stability Characteristics of Industrial Platinum Resistance
Thermometers Supplied by Different Manufacturers

Yasser A. Abdelaziz
3
Evaluation of Surface Roughness Using a Image Processing and Machine Vision System
B. Dhanasekar and B. Ramamoorthy
9
Estimation of Overall Uncertainty in Spin Concentration Measurement
of Paramagnetic Centres in Different Materials by EPR Spectroscopy

Manju Arora and S.K. Gupta
17
Evaluation of Uncertainty in Pressure and Vacuum Measurements
Using Direct Comparison and Least Square Error Fitting Methods

D. Arun Vijayakumar
23
Re-evaluation of Measurement Uncertainty of Ultrasonic Interferometer Manometer,
a Primary Pressure Standard Established at NPL, India

D.R. Sharma and D. Arun Vijayakumar
37
Status of NPL, India in CCM.V-K1 Intercomparison in Viscosity
Tripurari Lal and Surender Singh Yadav
47
Forty sixth List of Members 60
Form IV 62


Number 2, April – June 2006

Quantum Standards for Electrical Units
Ashok K. Gupta
65
Digital Processing of Speckle Interferometry to Measure Film Thickness and Surface Deformations
M. Necklawy, M. Bahrawy, A. Hassan, N. Farid and Arif Sanjid M.
81
Development of a Fast Image Processing Algorithm for Auto-Focusing of an Image in Contact-Less Measurement
N. J. Padte and N. Ramakrishnan
87
Uncertainty with its Components and Application in Degree of Equivalence in Calibration of Strip-Lamp & Optical-Pyrometer
N.K. Srivastava and Y.P. Singh
91
Calibration of Gauge Blocks Using Automatic Phase Stepping Interferometer at NPLI with Nanometer Uncertainty
Arif Sanjid M., K.P. Chaudhary and R.P. Singhal
103
Digital PRT : A Case Study for Uncertainty Estimation
J.K. Gupta and Rina Sharma
111
Fortyseventh List of Members 119


Number 3, July – October 2006

Preface 125
Current Status of Pressure Standards at NPLI and our experiences with the key comparison data base (KCDB)
A. K. Bandyopadhyay, Sanjay Yadav and Nita Dilawar
127
New calibration device for capacitance diaphragm gauge in the range 10 Pa to 13 kPa
S.Y.Woo, I.M.Choi
147
Automated Mass Handling for High Performance Pressure Balances
Martin Girard, Pierre Delajoud
155
The Temperature Compensation of High Precision Pressure Sensor Based on the Cubic Spline Interpolation
Fan Shangchun, Zhang Qiuli andA  Qin Jie
167
Calculation of effective area at zero pressure on large diameter piston-cylinder assembly using dimensional measurement data for being used as the first primary pressure standard of NIMT
Patipat Wongthep and Tawat Changpan
171
Realization of Gallium Triple Point at the National Institute for Standards (NIS) in Egypt
M. G. AHMED and K. ALI
177
Fortyeight List of Members and Instructions to Contributors 184 -185


Number 4, October – December 2006

Preface 189
Cesium Primary Frequency References
Steven R. Jefferts, Thomas P. Heavner and Elizabeth A. Donley
191
Recent Progress in Optical Frequency Standards
Kensuke Matsubara, Tetsuya Ido and Mizuhiko Hosokawa
201
Time Scales
Patrizia Tavella
213
International Atomic Time Scales and Related Time Transfer
W. Lewandowski
223
Time Transfer through GPS, and the Harmonization of GPS, GLONASS and Galileo for Timing
P. Banerjee and D. Matsakis
229
Review of Two-Way Satellite Time and Frequency Transfer
Michito Imae
243
Microwave Synthesis for Atomic Frequency Standards
A. Sen Gupta
249
Development and Implementation of the CIPM Mutual Recognition Arrangement in the Time and Frequency
Activities of Asia Pacific Region

R. B. Warrington and H. S. Lee
263
Instructions to Contributors 271