In Subject 2467, [email removed] (Mark F. Cook) replies:
>
> In Subject 2453, [email removed] (Richard Johnson) writes about a new
> in-helmet HUD system for infantry.
>
> > . Is it radiation hardened?
>
> As a MilSpec device, it *has* to be, otherwise the DoD won't authorize
> the purchase. As an employee of a military contractor (among other things),
> trust me on this one. :-)
I might conjecture that the limiting component regarding radiation hardening
would be the human inside. I'm thinking more along the lines of the possible
source of the EMP vice the EMP itself.
> > . Can the signals from other people's units be jammed, foiled,
> > confused?
> > (I assume the current position info is telemetry, not passive)
>
> Not neccessarily. If they have the equivalent of a SINS (Ships Internal
> Navigation System), they don't need telemetry. Just spin up the gyro,
> feed it a very accurate initial position, and you're ready to go. Subs
> use these because they can't get navsat signals when they're at operational
> depths. (Right, Carl?)
True enough Mark. Though I think and individual SINS is a bit much. All the
soldier needs (and this was used in Desert Storm) is a receiver that picks
up the satellite signals that then correlate to a given position. Any
reasonable tech level world would have such a system. For an invasion force
from off world, it would be prudent to deploy such a system as part of the
invasion itself! The idea here is less moving parts and most likely less
bulky that an individual gyro. Plus, it would be more stable from an
individual point of view.
> > . Does it have RFI that gives away your position?
>
> MilSpec would prevent it from having enough to do that.
I think too much credit is given MilSpecs. The thing to always remember is
that the enemy is just a step behind you and in some cases ahead of you. In
other words, you design something with lower leakage, then I design a detector
with increased sensitivity.
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| *-=Carl=-* INTERNET - [email removed] | Time is nature's way to keep |
| DELPHI - WULFGAR | everything from happening |
| Carl Fago Portland, OR | all at once. -anon. |
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