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    Matt Blaze (mattblaze@federate.social)'s status on Monday, 06-Jan-2025 08:18:26 JSTMatt BlazeMatt Blaze
    in reply to

    From 1958 through 1980, this incongruous four story (82 foot) monolith was the centerpiece of the "Almaden Air Force Station", a long-range radar site that was part of NORAD's SAGE early warning system. The blast-hardened concrete building served as the platform for an FPS-24 radar system, a massive 120 foot wide reflector that emitted a 5 megawatt VHF pulse, continuously rotating at 5 RPM.

    Notoriously, the signal disrupted TV and radio reception throughout the San Jose area.

    In conversationabout 7 months ago from federate.socialpermalink
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GNU social JP is a social network, courtesy of GNU social JP管理人. It runs on GNU social, version 2.0.2-dev, available under the GNU Affero General Public License.

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