Re: Light communication as a Scout activity
- I think it would be more than just a new activity but it will also
improve scouting skills including the use of light as a form of
i've been discussing this with the Philippine Nat'l training staff and
we ought to hear a lot more improvements from you sir...
ES Francis Campos
Boy Scout of the Philippines
Public Relations Respondent
--- In ScoutRadio@yahoogroups.com, "n5gui" <n5gui@...> wrote:
> Thank you for the response.
> To the list of resources, I would add:
> Which includes the recent 173 mile optical QSOs
> Which is the archives of a freespace laser communications discussion
> Most of the information is aimed at long distance systems, and in
> the case of On Target, daylight distance with mirrors for sunlight
> signaling by Venture Scouts. Once a concept is refined these may
> provide excellent technical assistance, but their interests lie
> outside what I am suggesting.
> I presented a team concept in my original post. Let me suggest a
> possible concept for a single person device: two parallel tubes
> about two inches in diameter and forty-four inches long ( assuming
> the optics use 20X1000 mm lenses ) that with some hand grips might
> look like a long water gun. In receive only mode the Scout is sent
> out in a field that is criss-crossed with modulated laser beams.
> The Scout has instructions to listen to the messages of the various
> beams, two of which intersect at the location of a box where he is
> to leave his token and then proceed to his next intersection.
> In a two way communication mode, the Scout has fixed locations from
> which he is to establish communications, receive and relay messages,
> then proceed to another location.
> A single user device may need wider beam widths, or perhaps the
> communication locations can provide a support to steady the Scout's
> aim. A wall or picnic table should do. It may be similar to trying
> to point a rifle at a target. In fact the system probably needs a
> push to talk button that may well resemble a gun trigger.
> My suggestions are intended to convey a basic concept and thereby
> spark much more suitable uses. The equipment should then be
> designed to perform the necessary tasks. I do not want to limit the
> imagination of this group in suggesting uses by trying to pre-
> determine the equipment design.
> --- In ScoutRadio@yahoogroups.com, "Frank Krizan" <frank.krizan@>
> > Hi James,
> > I think this would be a great topic for discussion. I don't know
> of any other venue for
> > discussing this method of communication.
> > Here's a great source of info on experiments in Australia:
> > There's also Operation On-Target: http://ontargetbsa.org/about.htm
> > Looking forward to more thoughts.
> > 73, Frank KR1ZAN
> > Garland, TX