Explorer and Nautilus spectral densities
Explorer, noise spectral density, in December 2001. The y-units are 1/sqrt(Hz). The high peak at 908 Hz is the calibration signal, the peak at roughly 910 Hz is due to a spurious disturbance.
Nautilus, noise spectral density, in May 2001. The y-units are 1/sqrt(Hz)
Target Explorer, year 2003
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