The British Caving Association Any views expressed are not necessarily those of the BCA    FAQ   Search   Memberlist   Usergroups   Register   Profile   Log in to check your private messages   Log in  Cave Radio & Electronics Moderator: David Gibson Users browsing this forum: None    The British Caving Association Forum Index -> Cave Radio & Electronics Mark all topics read  Topics   Replies   Author   Views   Last Post  How earth-current antennas really work 0 David Gibson 280 Wed 07 Jul 2010 13:18 David Gibson Any new built Heyphones, Nicolas? 2 MatthiasM 2656 Fri 04 Jun 2010 12:30 saycomp Solar panel: maximum power point tracking (MPPT) 0 David Gibson 386 Sun 23 May 2010 09:05 David Gibson Books on Radiolocation and Cave Communications 0 David Gibson 370 Wed 19 May 2010 19:08 David Gibson CO2 detector for cave air 3 David Gibson 619 Mon 10 May 2010 08:20 David Gibson Batteries for the 21st Century 2 David Gibson 1380 Mon 10 May 2010 08:09 David Gibson Fuel Cells 0 David Gibson 388 Wed 05 May 2010 09:16 David Gibson White power LED achieves 200 lumen per watt 0 David Gibson 629 Thu 25 Feb 2010 13:57 David Gibson Looking for help / information 1 Phil Walker 856 Tue 09 Feb 2010 17:17 David Gibson Waterproofing standards 0 David Gibson 952 Fri 04 Dec 2009 17:57 David Gibson TOKO inductor 5 iw3igc 12560 Wed 20 May 2009 13:34 MatthiasM Rename of this forum to CAVE RADIO & ELECTRONICS 1 David Gibson 1979 Thu 16 Apr 2009 22:36 Rob Gill Spare set of HeyPhone boards available 0 David Gibson 4126 Fri 09 May 2008 21:41 David Gibson PCB stock update and HeyPhone web site 1 David Gibson 5909 Wed 12 Mar 2008 09:27 David Gibson PCB stock 13 David Gibson 25103 Fri 08 Jun 2007 19:43 iw3igc DQ Radio-location PCBs 0 David Gibson 6864 Mon 30 Apr 2007 08:27 David Gibson Brian Pease radiolocation PCBs 0 Rob Gill 6721 Mon 23 Apr 2007 21:22 Rob Gill Corrections to HeyPhone documentation 1 David Gibson 8571 Wed 28 Mar 2007 17:49 David Gibson HeyPhone kit picking list 0 David Gibson 7488 Wed 28 Feb 2007 10:57 David Gibson PCBs for Flashgun Slave Units 0 David Gibson 7175 Mon 19 Feb 2007 16:44 David Gibson Welcome to the HeyPhone forum 0 David Gibson 6390 Thu 01 Feb 2007 09:02 David Gibson Display topics from previous: All Topics1 Day7 Days2 Weeks1 Month3 Months6 Months1 Year     The British Caving Association Forum Index -> Cave Radio & Electronics All times are GMT Page 1 of 1 Jump to: Select a forum General----------------CavingGeneral ChatThis Forum BCA----------------BCABCA Web Services Organisations----------------Cambrian Caving CouncilCouncil of Northern Caving ClubsCouncil of Southern Caving ClubsDerbyshire Caving AssociationDevon and Cornwall Underground CouncilGhar Parau FoundationBritish Cave Research Association Hidden Earth----------------Hidden Earth - The National Caving Conference Projects----------------National Cave RegistryCave Radio & Electronics  New posts    No new posts    Announcement New posts [ Popular ]    No new posts [ Popular ]    Sticky New posts [ Locked ]    No new posts [ Locked ] You cannot post new topics in this forum You cannot reply to topics in this forum You cannot edit your posts in this forum You cannot delete your posts in this forum You cannot vote in polls in this forum Powered by phpBB © 2001, 2005 phpBB Group