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David Gibson

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631

Tue 02 Jul 2013 11:54

David Gibson View the latest post

No unread posts Online access to CREG journals

David Gibson

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1000

Wed 02 Jan 2013 13:31

David Gibson View the latest post

No unread posts CREG Journals now all in stock

David Gibson

3

1080

Mon 24 Dec 2012 13:20

David Cooke View the latest post

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No unread posts CREG journal 85 now in press / Subscription Rates

David Gibson

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199

Fri 16 May 2014 16:41

David Gibson View the latest post

No unread posts Attachment(s) DIY Geophysical techniques

TheBitterEnd

11

1774

Sat 14 Dec 2013 14:22

David Gibson View the latest post

No unread posts Reading the CREG journal online

David Gibson

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356

Thu 12 Dec 2013 14:23

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No unread posts CREG Journal 84 published

David Gibson

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344

Thu 05 Dec 2013 12:32

David Gibson View the latest post

No unread posts CREG Journal 83 Published

David Gibson

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959

Sat 21 Sep 2013 19:40

David Gibson View the latest post

No unread posts Heyphone

dlbritton

2

796

Mon 16 Sep 2013 17:27

John Rabson View the latest post

No unread posts Attachment(s) LED lighting: how the world has got brighter

David Gibson

1

657

Sat 10 Aug 2013 13:10

Rob Gill View the latest post

No unread posts Dowsing and the Doctrine of Naive Analogy

David Gibson

1

1566

Mon 29 Jul 2013 16:39

David Gibson View the latest post

No unread posts Data Longevity on CD-ROMs

David Gibson

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816

Thu 04 Jul 2013 15:41

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No unread posts Online Payments to CREG

David Gibson

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882

Fri 19 Apr 2013 14:50

David Gibson View the latest post

No unread posts CREG journal 81 published

David Gibson

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792

Thu 11 Apr 2013 12:04

David Gibson View the latest post

No unread posts BCRA Cave Technology Symposium 20/21 April 2013

Rob Gill

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1331

Tue 12 Mar 2013 21:04

Rob Gill View the latest post

No unread posts Cave Technology Symposium Cancelled

David Gibson

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785

Tue 12 Mar 2013 14:50

David Gibson View the latest post

No unread posts 3D Cave Photography

mfc

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1013

Fri 08 Feb 2013 09:08

mfc View the latest post

No unread posts BCRA events for 2013

David Gibson

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854

Mon 10 Dec 2012 14:46

David Gibson View the latest post

No unread posts 2012 BCRA Cave Technology Symposium - Update

David Gibson

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2302

Fri 18 May 2012 17:34

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No unread posts CREG news: journal 76 / Boards for Disto A3

David Gibson

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1264

Thu 26 Jan 2012 18:27

David Gibson View the latest post

No unread posts BCRA Cave Technology Symposium - New Date

David Gibson

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1188

Fri 20 Jan 2012 14:00

David Gibson View the latest post

No unread posts Any new built Heyphones, Nicolas?

MatthiasM

6

6431

Fri 20 Jan 2012 13:56

David Gibson View the latest post

No unread posts BCRA Cave Technology Symposium - postponed

David Gibson

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2528

Wed 04 Jan 2012 16:03

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No unread posts CREG Newsletter – December 2011

David Gibson

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2064

Sun 04 Dec 2011 18:15

David Gibson View the latest post

No unread posts Stock of CREG journals

David Gibson

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1645

Thu 24 Nov 2011 19:25

David Gibson View the latest post

No unread posts Cave & Karst Science, Cave Technology Issue

David Gibson

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1293

Sun 30 Oct 2011 14:40

David Gibson View the latest post

No unread posts White power LED achieves 230 lumen per watt

David Gibson

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1970

Fri 20 May 2011 10:33

David Gibson View the latest post

No unread posts Cave Technology Symposium & C&KS call for papers

David Gibson

1

2337

Fri 25 Feb 2011 11:34

David Gibson View the latest post

No unread posts HeyPhone project - reminder of current status

David Gibson

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2584

Mon 31 Jan 2011 12:39

David Gibson View the latest post

No unread posts Using AMSS on BBC R4 to send data to sub-surface locations

David Gibson

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3208

Sat 20 Nov 2010 12:47

David Gibson View the latest post

No unread posts Batteries for the 21st Century

David Gibson

3

10909

Thu 14 Oct 2010 15:21

TedScha View the latest post

No unread posts How earth-current antennas really work

David Gibson

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2776

Wed 07 Jul 2010 14:18

David Gibson View the latest post

No unread posts Solar panel: maximum power point tracking (MPPT)

David Gibson

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4808

Sun 23 May 2010 10:05

David Gibson View the latest post

No unread posts Books on Radiolocation and Cave Communications

David Gibson

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3099

Wed 19 May 2010 20:08

David Gibson View the latest post

No unread posts CO2 detector for cave air

David Gibson

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4280

Mon 10 May 2010 09:20

David Gibson View the latest post

No unread posts Fuel Cells

David Gibson

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2673

Wed 05 May 2010 10:16

David Gibson View the latest post

No unread posts White power LED achieves 200 lumen per watt

David Gibson

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3184

Thu 25 Feb 2010 14:57

David Gibson View the latest post

No unread posts Looking for help / information

Phil Walker

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3181

Tue 09 Feb 2010 18:17

David Gibson View the latest post

No unread posts Waterproofing standards

David Gibson

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3211

Fri 04 Dec 2009 18:57

David Gibson View the latest post

No unread posts TOKO inductor

iw3igc

5

16763

Wed 20 May 2009 14:34

MatthiasM View the latest post

No unread posts Rename of this forum to CAVE RADIO & ELECTRONICS

David Gibson

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4395

Thu 16 Apr 2009 23:36

Rob Gill View the latest post

No unread posts Spare set of HeyPhone boards available

David Gibson

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6240

Fri 09 May 2008 22:41

David Gibson View the latest post

No unread posts PCB stock update and HeyPhone web site

David Gibson

1

8271

Wed 12 Mar 2008 10:27

David Gibson View the latest post

No unread posts PCB stock

David Gibson

13

32139

Fri 08 Jun 2007 20:43

iw3igc View the latest post

No unread posts DQ Radio-location PCBs

David Gibson

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9010

Mon 30 Apr 2007 09:27

David Gibson View the latest post

No unread posts Brian Pease radiolocation PCBs

Rob Gill

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8669

Mon 23 Apr 2007 22:22

Rob Gill View the latest post

No unread posts Corrections to HeyPhone documentation

David Gibson

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11013

Wed 28 Mar 2007 18:49

David Gibson View the latest post

No unread posts HeyPhone kit picking list

David Gibson

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9725

Wed 28 Feb 2007 11:57

David Gibson View the latest post

No unread posts PCBs for Flashgun Slave Units

David Gibson

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9167

Mon 19 Feb 2007 17:44

David Gibson View the latest post

No unread posts Welcome to the HeyPhone forum

David Gibson

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8203

Thu 01 Feb 2007 10:02

David Gibson View the latest post

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