Spacecraft Probe to Listen for ARRL Field Day Signals

The Enhanced Polar Outflow Probe (e-POP) onboard the Canadian CAScade Smallsat and Ionospheric Polar Explorer (CASSIOPE) satellite will again support Amateur Radio citizen science by listening for signals during ARRL Field Day, June 24-25. The HamSCI citizen science initiative says that, from a radio science perspective, Field Day is an ideal time for e-POP to study the structure of Earth’s ionosphere using participants’ transmissions. HamSCI was started by ham-scientists who study upper atmospheric and space physics.

One of e-POP’s instruments is the Radio Receiver Instrument (RRI), a digital receiver with four 3-meter monopole antennas. Its scientific objective is to study natural and artificial radio emissions from 10 Hz to 18 MHz. The RRI’s monopoles can be electronically configured into a crossed-dipole setup, and it has two data channels — one for each dipole. Each channel is sampled at 62.5 kHz and passed through a 30-kHz bandpass.

via American Radio Relay League | Ham Radio Association and Resources http://bit.ly/2sdWpDN

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