Frequently Asked Questions

Q: What does XTRRA stand for?

A: XTRRA stands for X-band Teaching and Research RAdar.

Q: Where is the XTRRA located?

A: XTRRA is located in the radome on top of Wang Hall, on Northwestern Avenue.

Q: Who paid for the XTRRA?

A: The XTRRA was jointly funded by Purdue's College of Science, College of Engineering, the Executive Vice President for Research and Partnerships, and Purdue Polytechnic Institute.

Q: Who is in charge of projects involving the XTRRA?

A: The principal investigator is Dr. Robin Tanamachi (rtanamachi at purdue dot edu) of the EAPS department. Co-PIs include Dr. Ernie Agee (EAPS), Dr. Michael Baldwin (EAPS), Dr. Daniel Dawson (EAPS), Dr. Dimitri Peroulis (ECE), Dr. James Krogmeier (ECE), Dr. James Garrison (AAE), Dr. Tom Carney (SATT/PPI), and Dr. David Love (ECE).

Q: What wavelength is the XTRRA?

A: The XTRRA operates at X-band (wavelength 3 cm).

Q: Is the XTRRA dual-polarized (dual-pol)?

A: Yes, it has dual-linear polarization.

Q: What is the brand and model of the XTRRA? Can you give me some more technical details?

A: The XTRRA is an RXM-25 from Ridgeline Instruments.

Q: Can I access the data feed from the XTRRA? Can I access data for a particular date, time, or case?

A: Yes, but it requires a paid subscription. Contact Prof. Tanamachi for details.

Q: Why aren't the data free?

A: We need to collect fees from users in order to offset the cost of maintenance for the XTRRA. This maintenance ensures maximum uptime and high data quality. A recharge center has been established at Purdue to handle this transparently.

Q: I have a question that is not listed here. Whom do I ask?

A: Send your question via email to purdue dot xtrra at gmail dot com. We welcome questions and feedback!