Earth, Planets and Space

Table 1 Specifications of the electromagnetic (EM) receiver

From: Electromagnetic receiver with capacitive electrodes and triaxial induction coil for tunnel exploration

Number of channels	5 (Ex/Ey/Hx/Hy/Hz) for AMT and CSAMT
	3 (E1/E2/E3) for SIP
Noise level	E-field: 1 μV/√Hz at 1 Hz
	B-field: 1 pT/√Hz at 1 Hz
Frequency range	DC–10 kHz
Power consumption	6 W, built-in battery lifetime >24 h
Clock drift error	<10 μs/24 h
Data storage	64 GB (upgradeable)
Sample rate	24,000 Hz/2400 Hz/150 Hz
User interface	Ethernet 100 Mbps
Dynamic range	117 dB (fs = 2400 Hz)

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