RE: Shuttle Columbia Lost????

From: Dale Ireland (
Date: Sat Feb 01 2003 - 17:20:11 EST

  • Next message: Brian Webb: "Shuttle Reentry Observations"

    Yes it is obvious that telemetry and other communications continue
    throughout the reentry as Jim stated. Looks like NASA needs to update their
    information pages.
    > -----Original Message-----
    > From: Markus Mehring []
    > Sent: Saturday, February 01, 2003 1:17 PM
    > To:
    > Subject: Re: Shuttle Columbia Lost????
    > On Sat, 1 Feb 2003 09:39:16 -0800, you ("Dale Ireland"
    > <>) wrote:
    > >Jim
    > >Maybe this is outdated info but this is what is currently
    > displayed on the
    > >NASA site
    > >
    > >"At approximately 265,000 feet, the spacecraft enters a communications
    > >blackout, which lasts until the orbiter reaches an altitude of
    > approximately
    > >162,000 feet. [...]
    > This is indeed outdated to some degree, since, for a couple of years now,
    > the TDRSs (that is, one of them specifically) usually provide a
    > communication and data link for that blackout period, pretty much peeking
    > into the blackout tunnel from above from its geostationary spot.
    > Final and sudden loss of comm and telemetry on STS-107 was reported to
    > having occured at a bit over 207.000 feet at Mach 18.3, well inside that
    > ionization period formerly causing a blackout.
    > >I would treat this as a "rumor" since it has not been repeated,
    > but one of
    > >the CNN guys said telemetry showed pressure rising in one of the Shuttle
    > >tires before loss of communications.
    > Well, by now it is certain that, in the minutes preceding loss of signals,
    > apparently at least eight sensors in or around the starboard wing
    > went out,
    > coincidin
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