This memo to Daniel Hunt at the NSF from John Firor addresses the situation with a few TWERLE balloon systems that have entered the Northern Hemisphere due to malfunctioning cut-down devices.
TWERLE balloon systems in Northern Hemisphere
1975-08-14
John Firor
archival document
Balloons, sounding
Tropical meteorology
TWERLE Records
https://aspace.archives.ucar.edu/repositories/2/resources/21
Copyright University Corporation for Atmospheric Research (UCAR). This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License.
http://n2t.net/ark:/85065/d71z42pd
