2-1 Accuracy and Precision of the Variables
2-2 Radiosonde Telemetry Frequencies
3-1 Termination Due to Missing Temperature Data: Maximum Tolerable Amounts
5-1 Stability Index Station Base Levels
5-2 Altitudes of the Fixed Wind Levels
6-1 Ascension Rate Table
7-1 Deadlines (in minutes after release time R) for Transmission of Scheduled Synoptic Rawinsonde Observations
8-1 Specific Components Involved in Upper Air Observations
2-1 Schematic of a sonde with balloon, parachute, and train
4-1 Plot Temperature vs. Time showing incidents of missing and spurious data values
6-1a Theodolite of the type used at land stations
6-1b Theodolite of the type used at land stations
B-1 Sample compass declination chart
E-1 Assignment of Marsden Square numbers
E-2 Assignment of Marsden Square numbers for polar zones
E-3 Subdivisions of the Marsden 10-degree squares into one-degree squares for the eight octants (Q) of the globe