Nothing on how it actually works on the site. GPS? Affected by metal? Work in horizontal orientation?
Northern Star Mask Compass
- Thread starter Nicholas_D
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Nicholas_D
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Some additional info from a fire magazine (Northern Star 8-Directional Electronic Compass and Guidance System). Here’s what I found on how it works. Digging up the patent may explain better.
It goes on to say that it’s being tested by defense agencies.
And the picture they have is of a full face mask. Not a ton of info, but it’s more than what’s listed on the website.
It goes on to say that it’s being tested by defense agencies.
And the picture they have is of a full face mask. Not a ton of info, but it’s more than what’s listed on the website.
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