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			 Contents of journal 131 September 2025
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- CREG Journal 131 (0-24)
 (PDF 12.4MB) 
         Individual articles may be available below
 
- This issue has a cover date of September 2025 and was published on 7 September 2025.
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- Front Cover (1)
 (PDF 480KB) 
     
 
- Ken Smith places a Pinger in an air bell in an underwater cave in the Nullarbor Plain, Australia. Photo: Dr Richard Harris
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- Contents (2)
 (PDF 185KB) 
     
 
- List of contents and masthead information.
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- News and Notes (2)  For download see previous item
 
- Autumn 2025 Field Meeting, Hidden Earth, Editorial Team.
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- The Technology of Cave Diving Habitats (3-7)
 (PDF 7.4MB) 
     
 
- Andy Pitkin introduces the technology involved in the habitats that cave divers use for decompression after deep dives. Included here are breathing gas management, minimising the fire risk and communication.
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- Pinger 2.0: an Updated Transmitter for Radiolocation in Flooded Passages, Part 1 (8-10)
 (PDF 202KB) 
     
 
- Following their description of a new cylindrical coil antenna in the previous issue, Aren Leishman and Ken Smith and provide details of the associated new transmitter circuit.
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- ResCon 25 (11)
 (PDF 1.2MB) 
     
 
- Technology was on show at the recent ResCon rescue conference. Tony Haigh reports.
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- Using VLF Geophysics for Detecting New Cave Systems (12-16)
 (PDF 1.4MB) 
     
 
- Atanas Rusev describes the use of VLF geophysics as an effective tool in cave detection. He illustrates this with several case studies that show how the technology has been used in the field.
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- How to Modify the Cave-Link Menus (17-20)
 (PDF 1023KB) 
     
 
- Christopher Ross describes how to modify the Cave-Link menus to suit your specific needs.
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- Could Caves Hold the Key to Earthquake Prediction? (21-24)
 (PDF 544KB) 
     
 
- Matt Rowberry and Ivo Baroň from the Czech Academy of Sciences and Tomáš Trčka from Brno University	of Technology describe the tricky process of detecting rock	strain induced electromagnetic anomalies in caves.
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undertaking charitable activities on behalf of the BCA.   
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