Cave Radio & Electronics

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CREG Journal Issue 127 (September 2024) Now Published

Last post by David Gibson « Sat 31 Aug 2024 21:07

by David Gibson » Sat 31 Aug 2024 21:07

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Sat 31 Aug 2024 21:07
How to post messages - IMPORTANT

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by David Gibson » Sat 23 Mar 2024 11:28

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Sat 23 Mar 2024 11:28
CREG Committee - minutes of meetings

Last post by David Gibson « Sat 09 Mar 2024 13:39
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by David Gibson » Sat 17 Sep 2022 10:43

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Last post by David Gibson
Sat 09 Mar 2024 13:39
CREG subscribers in the EU

Last post by David Gibson « Sat 28 Aug 2021 11:17
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by David Gibson » Mon 23 Aug 2021 16:21

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Last post by David Gibson
Sat 28 Aug 2021 11:17
CREG as a BCRA sub-committee

Last post by David Gibson « Fri 20 Aug 2021 11:01

by David Gibson » Fri 20 Aug 2021 11:01

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Fri 20 Aug 2021 11:01

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CREG-Announce Mailing List

Last post by David Gibson « Mon 07 Mar 2016 12:10

by David Gibson » Mon 07 Mar 2016 12:10

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Last post by David Gibson
Mon 07 Mar 2016 12:10
CREG Journal 93 now published

Last post by David Gibson « Thu 03 Mar 2016 18:05

by David Gibson » Thu 03 Mar 2016 18:05

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Last post by David Gibson
Thu 03 Mar 2016 18:05
Journal 92 now published

Last post by David Gibson « Mon 30 Nov 2015 18:08

by David Gibson » Mon 30 Nov 2015 18:08

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Last post by David Gibson
Mon 30 Nov 2015 18:08
CREG Field Meeting - 22/23 August 2015

Last post by gingerlycolors « Fri 21 Aug 2015 19:05
Replies: 4
by Rob Gill » Sat 27 Jun 2015 11:30

4 Replies

11862 Views

Last post by gingerlycolors
Fri 21 Aug 2015 19:05
Lidar Lite 2 module

Last post by caver.adam « Fri 14 Aug 2015 19:23

by caver.adam » Fri 14 Aug 2015 19:23

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Last post by caver.adam
Fri 14 Aug 2015 19:23
Surface-cave communication while moving underground

Last post by speleoluc « Sat 11 Jul 2015 12:12
Replies: 4
by speleoluc » Fri 26 Jun 2015 19:05

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12000 Views

Last post by speleoluc
Sat 11 Jul 2015 12:12
PC Boards for Radiolocation available

Last post by Radiolocation « Wed 01 Jul 2015 21:49

by Radiolocation » Wed 01 Jul 2015 21:49

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Last post by Radiolocation
Wed 01 Jul 2015 21:49
CREG Journal 90 published

Last post by Rob Gill « Sat 27 Jun 2015 14:24

by Rob Gill » Sat 27 Jun 2015 14:24

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Last post by Rob Gill
Sat 27 Jun 2015 14:24
Problems logging on to CREG journal online?

Last post by David Gibson « Thu 05 Mar 2015 14:37

by David Gibson » Thu 05 Mar 2015 14:37

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Thu 05 Mar 2015 14:37
Determining the Guide Number of an LED

Last post by David Gibson « Wed 04 Mar 2015 12:40

by David Gibson » Wed 04 Mar 2015 12:40

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6477 Views

Last post by David Gibson
Wed 04 Mar 2015 12:40
CREG field meeting: change of date to 22/3 Aug 2015

Last post by David Gibson « Tue 03 Mar 2015 16:31

by David Gibson » Tue 03 Mar 2015 16:31

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6195 Views

Last post by David Gibson
Tue 03 Mar 2015 16:31
CREG field meeting, 25-26 April 2015

Last post by Rob Gill « Mon 02 Mar 2015 23:06
Replies: 1
by David Gibson » Mon 08 Dec 2014 14:42

1 Replies

7091 Views

Last post by Rob Gill
Mon 02 Mar 2015 23:06
Heyphone

Last post by Daniel Chailloux « Sat 14 Feb 2015 16:12
Replies: 8
by dlbritton » Fri 09 Aug 2013 17:19

8 Replies

22475 Views

Last post by Daniel Chailloux
Sat 14 Feb 2015 16:12
How Earth-Current Antennas Really Work

Last post by David Gibson « Tue 16 Dec 2014 16:26
Replies: 6
by David Gibson » Mon 01 Dec 2014 18:18

6 Replies

11457 Views

Last post by David Gibson
Tue 16 Dec 2014 16:26
CREG field meeting, 1-2 November 2014

Last post by David Gibson « Mon 13 Oct 2014 09:45
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by David Gibson » Mon 15 Sep 2014 13:44

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Last post by David Gibson
Mon 13 Oct 2014 09:45
CREG journal 85 now in press / Subscription Rates

Last post by David Gibson « Fri 16 May 2014 16:41

by David Gibson » Fri 16 May 2014 16:41

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6770 Views

Last post by David Gibson
Fri 16 May 2014 16:41
DIY Geophysical techniques

Last post by David Gibson « Sat 14 Dec 2013 14:22
Replies: 11
by TheBitterEnd » Sun 08 Dec 2013 21:58

11 Replies

21925 Views

Last post by David Gibson
Sat 14 Dec 2013 14:22
Reading the CREG journal online

Last post by David Gibson « Thu 12 Dec 2013 14:23

by David Gibson » Thu 12 Dec 2013 14:23

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6308 Views

Last post by David Gibson
Thu 12 Dec 2013 14:23
CREG Journal 84 published

Last post by David Gibson « Thu 05 Dec 2013 12:32

by David Gibson » Thu 05 Dec 2013 12:32

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6181 Views

Last post by David Gibson
Thu 05 Dec 2013 12:32
CREG Journal 83 Published

Last post by David Gibson « Sat 21 Sep 2013 19:40

by David Gibson » Sat 21 Sep 2013 19:40

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6661 Views

Last post by David Gibson
Sat 21 Sep 2013 19:40
LED lighting: how the world has got brighter

Last post by Rob Gill « Sat 10 Aug 2013 13:10
Replies: 1
by David Gibson » Wed 07 Aug 2013 16:36

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8417 Views

Last post by Rob Gill
Sat 10 Aug 2013 13:10
Dowsing and the Doctrine of Naive Analogy

Last post by David Gibson « Mon 29 Jul 2013 16:39
Replies: 1
by David Gibson » Sat 08 Jun 2013 18:57

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Last post by David Gibson
Mon 29 Jul 2013 16:39
Data Longevity on CD-ROMs

Last post by David Gibson « Thu 04 Jul 2013 15:41

by David Gibson » Thu 04 Jul 2013 15:41

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Last post by David Gibson
Thu 04 Jul 2013 15:41
Online Payments to CREG

Last post by David Gibson « Fri 19 Apr 2013 14:50

by David Gibson » Fri 19 Apr 2013 14:50

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Last post by David Gibson
Fri 19 Apr 2013 14:50
CREG journal 81 published

Last post by David Gibson « Thu 11 Apr 2013 12:04

by David Gibson » Thu 11 Apr 2013 12:04

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Last post by David Gibson
Thu 11 Apr 2013 12:04
BCRA Cave Technology Symposium 20/21 April 2013

Last post by Rob Gill « Tue 12 Mar 2013 21:04
Replies: 3
by Rob Gill » Tue 20 Nov 2012 09:52

3 Replies

10230 Views

Last post by Rob Gill
Tue 12 Mar 2013 21:04
Cave Technology Symposium Cancelled

Last post by David Gibson « Tue 12 Mar 2013 14:50

by David Gibson » Tue 12 Mar 2013 14:50

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6556 Views

Last post by David Gibson
Tue 12 Mar 2013 14:50
3D Cave Photography

Last post by mfc « Fri 08 Feb 2013 09:08
Replies: 2
by mfc » Sun 03 Feb 2013 11:57

2 Replies

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Last post by mfc
Fri 08 Feb 2013 09:08
Online access to CREG journals

Last post by David Gibson « Wed 02 Jan 2013 13:31

by David Gibson » Wed 02 Jan 2013 13:31

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7354 Views

Last post by David Gibson
Wed 02 Jan 2013 13:31
CREG Journals now all in stock

Last post by David Cooke « Mon 24 Dec 2012 13:20
Replies: 3
by David Gibson » Fri 21 Dec 2012 15:44

3 Replies

10831 Views

Last post by David Cooke
Mon 24 Dec 2012 13:20
BCRA events for 2013

Last post by David Gibson « Mon 10 Dec 2012 14:46

by David Gibson » Mon 10 Dec 2012 14:46

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Last post by David Gibson
Mon 10 Dec 2012 14:46
2012 BCRA Cave Technology Symposium - Update

Last post by David Gibson « Fri 18 May 2012 17:34

by David Gibson » Fri 18 May 2012 17:34

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Last post by David Gibson
Fri 18 May 2012 17:34
CREG news: journal 76 / Boards for Disto A3

Last post by David Gibson « Thu 26 Jan 2012 18:27

by David Gibson » Thu 26 Jan 2012 18:27

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7145 Views

Last post by David Gibson
Thu 26 Jan 2012 18:27
BCRA Cave Technology Symposium - New Date

Last post by David Gibson « Fri 20 Jan 2012 14:00

by David Gibson » Fri 20 Jan 2012 14:00

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6514 Views

Last post by David Gibson
Fri 20 Jan 2012 14:00
Any new built Heyphones, Nicolas?

Last post by David Gibson « Fri 20 Jan 2012 13:56
Replies: 6
by MatthiasM » Tue 19 May 2009 21:54

6 Replies

19238 Views

Last post by David Gibson
Fri 20 Jan 2012 13:56
BCRA Cave Technology Symposium - postponed

Last post by David Gibson « Wed 04 Jan 2012 16:03

by David Gibson » Wed 04 Jan 2012 16:03

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7969 Views

Last post by David Gibson
Wed 04 Jan 2012 16:03
CREG Newsletter – December 2011

Last post by David Gibson « Sun 04 Dec 2011 18:15

by David Gibson » Sun 04 Dec 2011 18:15

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7446 Views

Last post by David Gibson
Sun 04 Dec 2011 18:15
Stock of CREG journals

Last post by David Gibson « Thu 24 Nov 2011 19:25

by David Gibson » Thu 24 Nov 2011 19:25

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7168 Views

Last post by David Gibson
Thu 24 Nov 2011 19:25
Cave & Karst Science, Cave Technology Issue

Last post by David Gibson « Sun 30 Oct 2011 14:40

by David Gibson » Sun 30 Oct 2011 14:40

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6118 Views

Last post by David Gibson
Sun 30 Oct 2011 14:40
White power LED achieves 230 lumen per watt

Last post by David Gibson « Fri 20 May 2011 10:33

by David Gibson » Fri 20 May 2011 10:33

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7221 Views

Last post by David Gibson
Fri 20 May 2011 10:33
Cave Technology Symposium & C&KS call for papers

Last post by David Gibson « Fri 25 Feb 2011 11:34
Replies: 1
by David Gibson » Mon 03 Jan 2011 16:09

1 Replies

7879 Views

Last post by David Gibson
Fri 25 Feb 2011 11:34
HeyPhone project - reminder of current status

Last post by David Gibson « Mon 31 Jan 2011 12:39

by David Gibson » Mon 31 Jan 2011 12:39

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8629 Views

Last post by David Gibson
Mon 31 Jan 2011 12:39
Using AMSS on BBC R4 to send data to sub-surface locations

Last post by David Gibson « Sat 20 Nov 2010 12:47

by David Gibson » Sat 20 Nov 2010 12:47

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10153 Views

Last post by David Gibson
Sat 20 Nov 2010 12:47
Batteries for the 21st Century

Last post by TedScha « Thu 14 Oct 2010 15:21
Replies: 3
by David Gibson » Wed 03 Feb 2010 11:32

3 Replies

35668 Views

Last post by TedScha
Thu 14 Oct 2010 15:21
How earth-current antennas really work

Last post by David Gibson « Wed 07 Jul 2010 14:18

by David Gibson » Wed 07 Jul 2010 14:18

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7733 Views

Last post by David Gibson
Wed 07 Jul 2010 14:18
Solar panel: maximum power point tracking (MPPT)

Last post by David Gibson « Sun 23 May 2010 10:05

by David Gibson » Sun 23 May 2010 10:05

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11306 Views

Last post by David Gibson
Sun 23 May 2010 10:05
Books on Radiolocation and Cave Communications

Last post by David Gibson « Wed 19 May 2010 20:08

by David Gibson » Wed 19 May 2010 20:08

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8400 Views

Last post by David Gibson
Wed 19 May 2010 20:08
CO2 detector for cave air

Last post by David Gibson « Mon 10 May 2010 09:20
Replies: 3
by David Gibson » Wed 05 May 2010 10:15

3 Replies

13323 Views

Last post by David Gibson
Mon 10 May 2010 09:20
Fuel Cells

Last post by David Gibson « Wed 05 May 2010 10:16

by David Gibson » Wed 05 May 2010 10:16

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7033 Views

Last post by David Gibson
Wed 05 May 2010 10:16
White power LED achieves 200 lumen per watt

Last post by David Gibson « Thu 25 Feb 2010 14:57

by David Gibson » Thu 25 Feb 2010 14:57

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8437 Views

Last post by David Gibson
Thu 25 Feb 2010 14:57

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