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Cave Radio
Induction Loop

Hot News Welcome to Avalon What are we doing Activity Reports Year by year Tall stories European Caves Our discoveries Cave protection Technical Pages Anialarra Explos Picture galleries Software The Avalon Flash Articles & Docs

Description of some devices that were build or are being used by members of SC AVALON


Testverslag Lithium-ion boormachines (Nederlands)
Comparatif Perforatrices Li-ion (Fran?is)
Bosch 36V Li versus Hilti 36V TE6A-Li-ion


The Laser-inclinometer
How to build your own electronical laser-inclinometre
and make surveying a lot easier.
The Leica "Disto"
A laser rangefinder, that can be of great help in surveying
The Cave-radio
John Hey's cave-radio, the very first ever build in Belgium
(now also known as "Nicola System")
Cave-radio 2001
An article about the more recent version of our cave-radio's (unfortunately, only in Dutch...)


Build your own LED-headlight (PDF)
A PDF-presentation about how to build a 15-led headlamps based on a regular Oldham or FX headpiece  (only in Dutch...)  


The Induction loop
A device that allows you to make precise surface locations
Contacteer/contact us:  SC Avalon vzw
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