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To: freeperfromnj; Mo1; Howlin; StriperSniper

In a separate investigation, the FBI's Philadelphia field office is probing the discovery of an infrared sensor that was carefully concealed along the track bed of a Pennsylvania Southeast Transit Authority line.

The device — a commercially available wireless infrared transmitter made for home security use — was discovered, spraypainted black and tucked neatly into the trackside ballast, by a conductor. Such devices transmit a signal when something cuts across their infrared beam

Was it wired to anything???

1,192 posted on 05/20/2004 4:56:10 PM PDT by OXENinFLA

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To: OXENinFLA

wireless infrared transmitter

Oops, OK what's the range?

1,193 posted on 05/20/2004 4:57:49 PM PDT by OXENinFLA

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To: OXENinFLA

Was it wired to anything?

I don't know. But it makes me highly suspicious about the rocket launcher found near the tracks in Atlanta. May be more to that story as well.

1,223 posted on 05/20/2004 5:44:47 PM PDT by freeperfromnj