Why is GLSDB more susceptible to Russian electronic warfare than SDB? A few thoughts.
SDB and GLSDB are identical and share a GPS/IMU set. The relevant differences are range and target selection.
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(Repost due to typo)
SDB and GLSDB are identical and share a GPS/IMU set. The relevant differences are range and target selection.
1|5
(Repost due to typo)
https://twitter.com/AlexHortonTX/status/1794026454407053754
GLSDB has a range of >150 km while SDB has a range of ~110 km from a ~12 km release altitude and ~270 m/s release airspeed.
Position error due to accumulated inertial measurement unit drift is quadratically proportional to time of flight and range by extension.
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Position error due to accumulated inertial measurement unit drift is quadratically proportional to time of flight and range by extension.
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Per interviews with Ukrainian pilots, they are typically releasing JDAM-ER at ~8 km. As SDB's employment profile is likely extremely similar, this is going to bring its range to <100 km.
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Given that GLSDB fire missions will preferentially be against targets at greater ranges, it will experience greater time of flight while denied GPS and accumulate greater IMU drift leading to worse precision.
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I strongly suspect this is why most of the published successfully GLSDB fire missions have been against targets close to the front line. GLSDB should perform similarly to SDB against targets at similar ranges.
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https://x.com/antiputler_news/status/1760390258040975535
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