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- Fri Jul 19, 2013 12:22 pm
- Forum: Geiger Counter
- Topic: High Altitude Radiation
- Replies: 8
- Views: 28549
Hi, We recently launched a GM tube up to an altitude of 31km on the 28 June this year. You may be interested in our results! Here is a profile histogram of what we recorded: https://www.dropbox.com/s/e38b9plxvrjic6s/counts_v_pressure.pdf As you can see, the peak on the graph confirmed the Pfotzer ma...