DESCRIPTION OF THE GDP-32
II
RECEIVER
Section 2, Page 3 May 2002
2.2 SPECIFICATIONS
The GDP-32
II
is designed for high quality data acquisition in harsh environments. Measurable
parameters include:
Resistivity
Induced Polarization (frequency or time domain)
Complex Resistivity (CR)
Controlled Source Audio Frequency Magnetotellurics (CSAMT)
Harmonic CSAMT (HACSAMT)
Frequency Domain EM (FEM)
Transient EM (TEM)
NanoTEM (a very early time TEM program)
Continuous NanoTEM
Natural Source MT
Natural Source AMT
Programs are stored on an internal flash disk and are software-selectable. Users can also develop
custom survey applications using the C programming language. However, this is a complicated
undertaking and should only be attempted with assistance from Zonge Engineering.
The GDP-32
II
operates in both the Frequency Domain and Time Domain. Twenty six (26)
frequencies can be selected in binary intervals between 0.000121 Hz and 8 kHz.
The GDP-32
II
is designed for multi-channel data acquisition. The large case GDP-32
II
can
accommodate up to sixteen channels for simultaneous measurements from DC to 8 kHz.
Multiple receivers can also be used together for n-channel acquisition.
The small case GDP-32
II
T accepts a maximum of 6 analog channels. These channels can be a
mixture of high-speed NanoTEM acquisition boards (BD194) and the standard analog boards
(BD183). In either case, a maximum of 3 high-speed NanoTEM channels can be installed.
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