Martin Brenner's, Pilot Balloon Resources 

Pibal Theodolites Forward

A collection of information about Pibal Theodolites
Created and maintained by Martin Brenner

Pilot Balloon Observation Theodolites 

This web site is a result of my research on pilot balloon theodolites.  Please proceed here at your own intellectual peril!  You can email comments to mbrenner@csulb.edu 

 

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Photo of radiosonde & balloon from NOAA Photo Library