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Updated: May 12, 2025
In the shed on the left is Orion, which is a two-stage rocket for deep penetration into the exosphere. It's about ready to shoot. In the shed on the right is Cetus, a sounding rocket for ionospheric measurements." Dr. Gould paused. "If you don't get me, speak up and I'll scoop you the answers. Roger so far?" Rick nodded. "I'm with you."
Once real-time data are matched to a model of the ionosphere, the model can be used to operate the system for the best results, based on the prevailing propagation conditions. The data for the ionospheric models take up more than 200 megabytes of computer storage space. Operators thus know when and where to expect degraded performance.
Over-the-horizon or Ionospheric HF Radar OTHR On the first day the "knock-knock-knock" went on continuously for over ten hours.
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