Letter Re: Critical Capabilities for Retreat Defense: "Move, Shoot, and Communicate"

Permalink | Print

Dear James,
A couple of things to ponder: IR Cyalume sticks are costly and have a limited shelf life. High intensity IR LEDs can be easily built into an "intrusion illumination" system that can be actuated by a number of means (trip wire, seismic, passive motion detection, command, etc.) LEDs are cheap and a simple, reusable, battery powered unit with indefinite shelf life can be cobbled
together for a few dollars.
Visible and IR LEDs can be made into lights for a variety of uses including illumination and signaling. See: http://www.trailquest.net/TQaltgear.html#LED
Years ago, I had an odd dream. I dreamt that I was awakened by a noise from my living room. I arose, shotgun in hand and silently rolled a small, clear plastic ball into the room. After a few seconds' delay the ball glowed and lit the room with the characteristic glow of a cyalume stick. The implications were obvious - a flashless, noiseless, nonexploding, nondestructive illuminating "grenade" might have a use in certain circumstances (especially if it emits in the IR end of the spectrum.) These days, however, I'd opt to build a small, tetrahedral array out of tubing (think of a caltrop, one LED would always point skyward) using visible or IR diodes with a battery and a timer chip to provide a delay. I'm not certain what the EMP issues would be, but LEDs would take up very little storage space inside a grounded locker or can.
For electronics bugs, it's also worth noting that inexpensive laser diodes can be used to build a secure, line-of-sight communications system that can, with appropriate tweaking, "broadcast" over several kilometers. No FCC license is required.See: http://captain.haddock.8m.com/laser/laser1.html and http://instruct1.cit.cornell.edu/courses/ee476/FinalProjects/s2003/kmc29/index.htm

All Content on This Web Site Copyright 2005-2013 All Rights Reserved - James Wesley, Rawles - SurvivalBlog.com

About this Entry

This page contains a single entry by Jim Rawles published on December 28, 2005 2:11 PM.

Two Letters Re: Rourke on: A Mouse in the House? Retreat Pest Control was the previous entry in this blog.

Four Letters Re: The Best All-Around Dog Breed for a Retreat? is the next entry in this blog.

Find recent content on the main index or look in the archives to find all content.

Monthly Archives

Visitor Map



counter customisable
Unique visits since July 2005. More than 300,000 unique visits per week.