RADCAT (RADar CAlibration Target) were a pair of passive radar calibration satellites operated by the United States. They were cylinders with a radar cross section of 5m2. The first was destroyed in a launch failure in 1968; the second was launched in 1972 and remained in orbit until 2012.[1][2]

References

  1. ↑ "Radcat (P68-1, P72-1)". Gunter's Space Page. Retrieved 8 July 2022.
  2. ↑ "RADCAT". www.astronautix.com. Retrieved 8 July 2022.
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