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Multi-Gas Analyzer

A self-contained portable and rugged laboratory quality instrument incorporating self-calibration circuits and sophisticated


The Canadian Advanced Digital Ionosonde (CADI) is a low cost, state of the art, flexible, full featured ionosonde ideal for both routine ionosphericCADI monitoring and research. CADI provides sounding capability using high power radio frequency pulses at vertical incidence.

The system integrates phase coding techniques, solid state electronics and FPGA technology to make CADI a significantly smaller and less expensive ionosonde. The system may be operated with single or multiple receivers. Observables include: echo delay (height) versus frequency; the phase and amplitude of the echo; angle of arrival; and polarization of the echo. Drifts can also be measured using the spaced-antenna method.

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