Cave Radio & Electronics

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CREG Field Meeting May 17-18 2025 - POSTPONED

Last post by David Gibson « Wed 26 Feb 2025 16:40

by David Gibson » Wed 26 Feb 2025 16:40

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Last post by David Gibson
Wed 26 Feb 2025 16:40
CREG Journal Issue 129 (March 2024) Now Published

Last post by David Gibson « Wed 26 Feb 2025 16:04

by David Gibson » Wed 26 Feb 2025 16:04

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Last post by David Gibson
Wed 26 Feb 2025 16:04
CREG Committee - minutes of meetings

Last post by David Gibson « Sun 09 Feb 2025 14:34
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by David Gibson » Sat 17 Sep 2022 10:43

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Last post by David Gibson
Sun 09 Feb 2025 14:34
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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Last post by David Gibson
Fri 20 Aug 2021 11:01

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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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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

15236 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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7553 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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9170 Views

Last post by David Gibson
Thu 25 Feb 2010 14:57
Looking for help / information

Last post by David Gibson « Tue 09 Feb 2010 18:17
Replies: 1
by Phil Walker » Mon 25 Jan 2010 12:09

1 Replies

9516 Views

Last post by David Gibson
Tue 09 Feb 2010 18:17
Waterproofing standards

Last post by David Gibson « Fri 04 Dec 2009 18:57

by David Gibson » Fri 04 Dec 2009 18:57

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8902 Views

Last post by David Gibson
Fri 04 Dec 2009 18:57
TOKO inductor

Last post by MatthiasM « Wed 20 May 2009 14:34
Replies: 5
by iw3igc » Mon 23 Apr 2007 12:31

5 Replies

30928 Views

Last post by MatthiasM
Wed 20 May 2009 14:34
Rename of this forum to CAVE RADIO & ELECTRONICS

Last post by Rob Gill « Thu 16 Apr 2009 23:36
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by David Gibson » Thu 16 Apr 2009 14:19

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Last post by Rob Gill
Thu 16 Apr 2009 23:36
PCB stock update and HeyPhone web site

Last post by David Gibson « Wed 12 Mar 2008 10:27
Replies: 1
by David Gibson » Mon 22 Oct 2007 09:35

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Last post by David Gibson
Wed 12 Mar 2008 10:27
PCB stock

Last post by iw3igc « Fri 08 Jun 2007 20:43
Replies: 13
by David Gibson » Fri 02 Feb 2007 12:46

13 Replies

81810 Views

Last post by iw3igc
Fri 08 Jun 2007 20:43
DQ Radio-location PCBs

Last post by David Gibson « Mon 30 Apr 2007 09:27

by David Gibson » Mon 30 Apr 2007 09:27

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14803 Views

Last post by David Gibson
Mon 30 Apr 2007 09:27
Brian Pease radiolocation PCBs

Last post by Rob Gill « Mon 23 Apr 2007 22:22

by Rob Gill » Mon 23 Apr 2007 22:22

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14196 Views

Last post by Rob Gill
Mon 23 Apr 2007 22:22
Corrections to HeyPhone documentation

Last post by David Gibson « Wed 28 Mar 2007 18:49
Replies: 1
by David Gibson » Thu 01 Mar 2007 12:08

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17378 Views

Last post by David Gibson
Wed 28 Mar 2007 18:49
HeyPhone kit picking list

Last post by David Gibson « Wed 28 Feb 2007 11:57

by David Gibson » Wed 28 Feb 2007 11:57

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15650 Views

Last post by David Gibson
Wed 28 Feb 2007 11:57
PCBs for Flashgun Slave Units

Last post by David Gibson « Mon 19 Feb 2007 17:44

by David Gibson » Mon 19 Feb 2007 17:44

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14797 Views

Last post by David Gibson
Mon 19 Feb 2007 17:44
Welcome to the HeyPhone forum

Last post by David Gibson « Thu 01 Feb 2007 10:02

by David Gibson » Thu 01 Feb 2007 10:02

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13217 Views

Last post by David Gibson
Thu 01 Feb 2007 10:02

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