Time series for balloon-borne sensors are saved in directory "signal_ascii"
The naming convention for files is:
"2020:233:(hr):00:00:000.B(b_no)(pos).txt"
Where:
hr is the hour in UTC (taking values 04,05,...,22,23),
b_no is the balloon number (taking values 1,2,3),
and pos is the position of the sensor (taking the value HI or LO)
Each file has a header listing the year, day of year, hour, minute, second, and millisecond of the first datum in the time series, followed by dt.
After the header, the time series is listed in a single column, taking units of Pascals.
Microphones record only short-term variations in pressure, and ambient background pressure is typically recorded as a value near zero. During periods of fast vertical motion (ascent and descent), pressure changes more rapidly than sensors can correct for ambient pressure, leading to high absolute values in pressure.

Locations of balloon-bornes sensors are available in directory "balloon_trajectories." 
Each file lists the elevation (in meters), latitude, and longitude at given times.
Again each sensor is denoted by "B(b_no)(pos)," where:
b_no is the balloon number (taking values 1,2,3)
and pos is the position of the sensor (taking the value HI or LO)