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Earth, Planets and Space

Table 1 Specification for the NEI instrument on-board S-520-23.

From: Impact of lithium releases on ionospheric electron density observed by impedance probe during WIND campaign

Probe BeCu, 1.2 cm dia., ∼1.0 m length
Frequency Range 300 kHz–12 MHz
Dynamic Range of Electron Density ∼103−2 × 106 el/cm3
Dynamic Range of Equivalent Capacitance 1–1000 pF
Sweep Repetition Period 500 ms
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