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No unread posts Problems logging on to CREG journal online?

David Gibson

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Thu 05 Mar 2015 14:37

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Mon 13 Jul 2015 10:10

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No unread posts Online access to CREG journals

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Wed 02 Jan 2013 13:31

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No unread posts BCRA events for 2013

David Gibson

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5358

Mon 10 Dec 2012 14:46

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No unread posts 2012 BCRA Cave Technology Symposium - Update

David Gibson

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6930

Fri 18 May 2012 17:34

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

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Thu 26 Jan 2012 18:27

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No unread posts BCRA Cave Technology Symposium - New Date

David Gibson

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Fri 20 Jan 2012 14:00

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No unread posts Any new built Heyphones, Nicolas?

MatthiasM

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Fri 20 Jan 2012 13:56

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No unread posts BCRA Cave Technology Symposium - postponed

David Gibson

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6352

Wed 04 Jan 2012 16:03

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No unread posts CREG Newsletter – December 2011

David Gibson

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5726

Sun 04 Dec 2011 18:15

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No unread posts Stock of CREG journals

David Gibson

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5499

Thu 24 Nov 2011 19:25

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No unread posts Cave & Karst Science, Cave Technology Issue

David Gibson

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4460

Sun 30 Oct 2011 14:40

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No unread posts White power LED achieves 230 lumen per watt

David Gibson

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5628

Fri 20 May 2011 10:33

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

David Gibson

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6219

Fri 25 Feb 2011 11:34

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No unread posts HeyPhone project - reminder of current status

David Gibson

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7008

Mon 31 Jan 2011 12:39

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

David Gibson

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7618

Sat 20 Nov 2010 12:47

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No unread posts Batteries for the 21st Century

David Gibson

3

26166

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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6144

Wed 07 Jul 2010 14:18

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

David Gibson

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9447

Sun 23 May 2010 10:05

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No unread posts Books on Radiolocation and Cave Communications

David Gibson

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6738

Wed 19 May 2010 20:08

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No unread posts CO2 detector for cave air

David Gibson

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10155

Mon 10 May 2010 09:20

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No unread posts Fuel Cells

David Gibson

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5586

Wed 05 May 2010 10:16

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No unread posts White power LED achieves 200 lumen per watt

David Gibson

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6889

Thu 25 Feb 2010 14:57

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No unread posts Looking for help / information

Phil Walker

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6785

Tue 09 Feb 2010 18:17

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No unread posts Waterproofing standards

David Gibson

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6430

Fri 04 Dec 2009 18:57

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No unread posts TOKO inductor

iw3igc

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24292

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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8142

Thu 16 Apr 2009 23:36

Rob Gill View the latest post

No unread posts PCB stock update and HeyPhone web site

David Gibson

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12184

Wed 12 Mar 2008 10:27

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No unread posts PCB stock

David Gibson

13

40979

Fri 08 Jun 2007 20:43

iw3igc View the latest post

No unread posts DQ Radio-location PCBs

David Gibson

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12091

Mon 30 Apr 2007 09:27

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No unread posts Brian Pease radiolocation PCBs

Rob Gill

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11820

Mon 23 Apr 2007 22:22

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No unread posts Corrections to HeyPhone documentation

David Gibson

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14474

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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13039

Wed 28 Feb 2007 11:57

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No unread posts PCBs for Flashgun Slave Units

David Gibson

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12270

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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10455

Thu 01 Feb 2007 10:02

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