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View Diary: Check out Palin’s glasses at the debate (w poll) (86 comments)

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  •  Wouldn't the "channel" be kind of hidden? (1+ / 0-)
    Recommended by:
    la urracca

    I mean we are talking NSA stuff here.  I don't think it would be possible to jam or affect the Secret Service's or high military classified tech.

    But then I am not an engineer.

    •  You can't hide a signal (1+ / 0-)
      Recommended by:

      You can encrypt it so that nobody can tell what it means, but that wouldn't prevent somebody else from broadcasting the theme from H.M.S. Pinafore at a very high amplitude to drown out whatever information she was supposed to be getting.

      •  Oh cool. Gilbert & Sullivan! (1+ / 0-)
        Recommended by:

        We'll know something's up if Palin starts singing the Major-General's Song from Pirates of Penzance.  Rather appropriate, too, if you're familiar with the lyrics.

        Barack Obama, 44th President of the United States

        by winsock on Mon Sep 29, 2008 at 03:12:31 PM PDT

        [ Parent ]

      •  If Palin started rifffing Gilbert and Sullivan (2+ / 0-)
        Recommended by:
        m4gill4, winsock

        in the middle of her speech I think I would just die from pure happiness.

        Three little maids from school are we,
        Pert as a school-girl well can be,
        Filled to the brim with girlish glee,
        Three little maids from school!

        Or talking about McCain:

        For my military knowledge, though I’m plucky and adventury,
        Has only been brought down to the beginning of the century;
        But still, in matters vegetable, animal, and mineral,
        I am the very model of a modern Major-General.

        But still, in matters vegetable, animal, and mineral,
        He is the very model of a modern Major-General.

        Greatest the blame, least the shame

        by houyhnhnm on Mon Sep 29, 2008 at 03:16:39 PM PDT

        [ Parent ]

      •  Yes - you can hide the signal (4+ / 0-)

        Using Frequency Hopping Spread Spectrum signals Link

        A spread-spectrum transmission offers three main advantages over a fixed-frequency transmission:

          1. Spread-spectrum signals are highly resistant to narrowband interference. The process of re-collecting a spread signal spreads out the interfering signal, causing it to recede into the background.
          2. Spread-spectrum signals are difficult to intercept. An FHSS signal simply appears as an increase in the background noise to a narrowband receiver. An eavesdropper would only be able to intercept the transmission if they knew the pseudorandom sequence.
          3. Spread-spectrum transmissions can share a frequency band with many types of conventional transmissions with minimal interference. The spread-spectrum signals add minimal noise to the narrow-frequency communications, and vice versa. As a result, bandwidth can be utilized more efficiently.

        -6.25 -7.08 The glass is neither half-full nor half-empty. The glass is just twice as large as it needs to be.

        by Unit Zero on Mon Sep 29, 2008 at 03:44:17 PM PDT

        [ Parent ]

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