Directions for Magnetic Measurements
Directions for Magnetic Measurements
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Magnetograph temperatures will be obtained directly from the photographic record of the Z thermograph, if possible, based on the mean of the H and Z thermometer readings (corrected) . If the varia- tion in temperature is so small that the thermograph trace appears as a straight line between two consecutive thermometer readings, the magnetograph temperatures may be obtained by interpolation be- tween the thermometer readings.
The daily means and the mean for the month will be computed on all the... monthly tabulation sheets, but the hourly means are required for declination only. A day from which some hourly values are missing or on which a change of base-line value occurred will be omitted in taking means. Missing hourly values may be supplied by GENEKAL DIRECTIONS. Ill interpolation when they are only few in number and occur in a period comparatively free from disturbance.
Magnetic character of day. The magnetic character of each day will be indicated roughly by the figures 0, 1, 2 on the monthly tabulation for each element, and the character of each Greenwich day as a whole will be tabulated on the same scale, and this tabulation (in duplicate) will be forwarded to the office as soon as possible after the end of the quarter.
What to read after Directions for Magnetic Measurements?
You can find similar books in the "Read Also" column, or choose other free books by Daniel L Daniel Lyman Hazard to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
Magnetograph temperatures will be obtained directly from the photographic record of the Z thermograph, if possible, based on the mean of the H and Z thermometer readings (corrected) . If the varia- tion in temperature is so small that the thermograph trace appears as a straight line between two consecutive thermometer readings, the magnetograph temperatures may be obtained by interpolation be- tween the thermometer readings.
The daily means and the mean for the month will be computed on all the... monthly tabulation sheets, but the hourly means are required for declination only. A day from which some hourly values are missing or on which a change of base-line value occurred will be omitted in taking means. Missing hourly values may be supplied by GENEKAL DIRECTIONS. Ill interpolation when they are only few in number and occur in a period comparatively free from disturbance.
Magnetic character of day. The magnetic character of each day will be indicated roughly by the figures 0, 1, 2 on the monthly tabulation for each element, and the character of each Greenwich day as a whole will be tabulated on the same scale, and this tabulation (in duplicate) will be forwarded to the office as soon as possible after the end of the quarter.
What to read after Directions for Magnetic Measurements?
You can find similar books in the "Read Also" column, or choose other free books by Daniel L Daniel Lyman Hazard to read onlineMoreLess
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