Search found 3 matches

by John Rabson
Sun 21 Oct 2018 09:05
Forum: Cave Radio & Electronics
Topic: Cave Radio Design
Replies: 2
Views: 352

Re: Cave Radio Design

A general set of desiderata would be a good idea. May I point out a couple of ergonomic aspects which are sometimes overlooked? Members of cave rescue organisation will no doubt wish to comment on these. Working in a cave rescue situation can be extremely fraught. It was pointed out at the meeting a...
by John Rabson
Thu 02 Aug 2018 08:42
Forum: Cave Radio & Electronics
Topic: Studies on the Ellora & Ajanta Caves (India)
Replies: 1
Views: 436

Studies on the Ellora & Ajanta Caves (India)

I have received following from vinialjstailor@gmail.com: I hope you can help me with this enquiry or maybe point me in the right direction of where to look or who to ask. I am Visiting India in November (14th November - 15th December) and i am going to be doing some Studies on the Ellora & Ajanta Ca...
by John Rabson
Mon 16 Sep 2013 17:27
Forum: Cave Radio & Electronics
Topic: Heyphone
Replies: 8
Views: 15384

Re: Heyphone (parts list)

This is a reply to an enquiry received some weeks ago. Unfortunately, the emails concerned got stratified for which I apologise. If anybody finds any errors or omissions, please would they let me know. The components list for the Heyphone (with a few updates) is at bcra.org.uk/creg/heyphone/pdf/heyp...