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Timeline for How do you aim a signal mirror?

Current License: CC BY-SA 3.0

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Apr 28, 2017 at 22:14 comment added Jamie Hanrahan bitsmack, glad to know about that inexpensive option. Conversely, I bought one of the "Starflash"-branded mirrors that REI also sells for $10. It does not seem to have the true retroflective aiming aid. Be careful!
Apr 28, 2017 at 21:21 comment added bitsmack I have a $10 mirror with this mesh from REI like this one. It's really helpful!
Apr 28, 2017 at 19:03 history edited Jamie Hanrahan CC BY-SA 3.0
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Apr 28, 2017 at 19:01 comment added Jamie Hanrahan @cobaltduck Now I am looking for an explanation of just how the "retroreflecting coating" on that grid works. I know how retroreflectors work but I don't quite see the application here. (p.s.: Don't you just hate it when you read about something you didn't know about and your reaction is "I must buy one!!!"? At least this is a not-expensive case!)
Apr 28, 2017 at 18:54 comment added Jamie Hanrahan Well, thanks! I +1'd yours, because as I noted, a) an improvised mirrors may be all you have, and b) the retroreflecting aimer doesn't work at shallow angles (say if the sun is near the horizon and your target is near the opposite horizon). Also +1'd for great diagrams. (You know, if you added an arrow with a 90 deg. bend in it, extending up and left from the lower orange dot, bouncing off of the back of the mirror, and returning to the user's eye, that might address the Q raised by Aaron. Just a suggestion.)
Apr 28, 2017 at 12:23 comment added cobaltduck I did not know these existed. I have to go get one. I'll note that my answer is intended for mirrors whose aiming hole contains nothing but air. Everyone who +1'd my answer should +1 this one as well.
Apr 28, 2017 at 0:26 history edited Jamie Hanrahan CC BY-SA 3.0
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Apr 28, 2017 at 0:19 history edited Jamie Hanrahan CC BY-SA 3.0
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Apr 28, 2017 at 0:12 history edited Jamie Hanrahan CC BY-SA 3.0
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Apr 28, 2017 at 0:03 review First posts
Apr 28, 2017 at 2:26
Apr 28, 2017 at 0:01 history answered Jamie Hanrahan CC BY-SA 3.0