Hi,
I'd like to get in touch with Phil Underwood regarding the Shetland Attack Pony, but his phil at furbrain dot org dot uk address now fails.
Thanks,
--
Luc Le Blanc
http://www.speleo.qc.ca/Auriga
Search found 4 matches
- Sun 26 Apr 2020 23:59
- Forum: Cave Radio & Electronics
- Topic: Contacting SAP's Phil Underwood
- Replies: 1
- Views: 5389
- Sat 11 Jul 2015 12:12
- Forum: Cave Radio & Electronics
- Topic: Surface-cave communication while moving underground
- Replies: 4
- Views: 12070
Re: Surface-cave communication while moving underground
Found it, but Michael Lake's stock is sold out:
http://www.speleonics.com.au/business/index.html
--
Luc Le Blanc
http://www.speleo.qc.ca/Auriga
http://www.speleonics.com.au/business/index.html
--
Luc Le Blanc
http://www.speleo.qc.ca/Auriga
- Sat 11 Jul 2015 12:03
- Forum: Cave Radio & Electronics
- Topic: Surface-cave communication while moving underground
- Replies: 4
- Views: 12070
Re: Surface-cave communication while moving underground
What kind of earth return do SWT need? I guess hand-body-rubber boots don't make a proper contact. Is a trailing wire enough, or must a spike be used? The passage I'm thinking about is water-washed bare rock. Yes, Michael Lake's e-mail address is welcome. -- Luc Le Blanc http://www.speleo.qc.ca/Auriga
- Fri 26 Jun 2015 19:05
- Forum: Cave Radio & Electronics
- Topic: Surface-cave communication while moving underground
- Replies: 4
- Views: 12070
Surface-cave communication while moving underground
Following negotiations between local authorities and a private hydroelectric powerhouse operator, at mid-August, throughput will be augmented in order to lower the water level in the artificial reservoir that happens to feed a glacio-tectonic cave that runs under city houses. The drying out of this ...