Rimu Systems LLC
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Support & Community

Get help with RimuSDR installation, configuration, and troubleshooting.

Support channels · Email · Documentation · FAQ

Community Forums

Connect with other FlexRadio users to ask questions, share tips, and get help with RimuSDR.

FlexRadio Community Forum

Official FlexRadio community discussion board.

  • Ask questions about RimuSDR for Linux
  • Share your experience with other users
  • Follow the dedicated RimuSDR for Linux thread

FlexRadio SmartSDR Group

Active groups.io mailing list for SmartSDR users.

  • Community-driven support and discussion
  • Tips and configuration advice from experienced operators
  • Announcements and user-to-user help

How to Reach Us

We're here to help with technical questions, installation issues, and product guidance.

Email Support

Direct technical assistance for RimuSDR users.

Before Contacting Support

Information to have ready for faster assistance.

  • Your Linux distribution and version
  • RimuSDR version number
  • FlexRadio model and firmware version
  • Description of the issue and steps to reproduce
  • Any error messages or log entries

License Help

Quick answers for the most common license and activation issues.

Lost License Code
If you've lost your license code email, contact support@rimusystems.com with your callsign and purchase information to retrieve it.
Moving to a New Computer
Deactivate first via Help → Deactivate License, then activate on the new machine. See Transferring Your License.
Activation Problems
Connection errors, rejected codes, and callsign issues are covered in the activation troubleshooting guide. If you're still stuck, email support.

Collecting Diagnostic Information

When reporting issues, including diagnostic information helps resolve problems faster.

Application Log
  • Location ~/.local/state/rimu-systems/rimusdr/rimusdr.log
  • Usage Include relevant portions from the log when reporting bugs or asking for support.
Crash Logs
  • Crash report ~/.local/state/rimu-systems/rimusdr/crash/rimusdr_crash_<timestamp>.txt
  • Runtime trace ~/.local/state/rimu-systems/rimusdr/crash/rimusdr_runtime_trace_<timestamp>.txt
System Info
  • How to collect Open RimuSDR and go to Help → System Info, then click Copy to Clipboard and paste into your bug report.
  • What it captures Version, distribution, and hardware details automatically.

Frequently Asked Questions

Common questions about RimuSDR installation, compatibility, and usage.

Licensing & Purchase

How much does RimuSDR cost?

RimuSDR is a $49.00 one-time purchase that includes the integrated RimuDAX and RimuCAT components and all version 1.x updates. See the pricing page for full license terms.

Is there a free trial?

Yes. Every download includes a trial mode so you can evaluate RimuSDR with your own radio. Trial mode is limited to 80m receive-only with transmit disabled. Download the trial.

How many computers can I install RimuSDR on?

Your license allows up to 10 active installations on computers you own or control. To move to a new computer, deactivate first via Help → Deactivate License. See the activation guide.

I lost my license code. How do I get it back?

Contact support@rimusystems.com with your callsign and purchase information and we'll retrieve it for you.

What is the refund policy?

Purchases are covered by our refund policy. We recommend trying the free trial with your radio before buying.

Installation & Compatibility

Which Linux distributions are supported?

RimuSDR is tested on Ubuntu 24.04+, Debian 13, Linux Mint 22+, Fedora 43/44, and Raspberry Pi 4B/5. RPM packages are available for Fedora and Rocky Linux, and AppImage builds are available for other distributions.

Which FlexRadio models work with RimuSDR?

RimuSDR supports FlexRadio 6000, 8000, and Aurora series radios.

Can I run RimuSDR on Raspberry Pi?

Yes, RimuSDR has been tested on Raspberry Pi 4B and Pi 5 running 64-bit ARM Linux. Note: current builds require glibc 2.38+, so Raspberry Pi OS Bookworm users may see a GLIBC_2.38 not found error - a Bookworm‑compatible build is coming soon.

What are the system requirements?

A modern GPU is recommended for optimal panadapter performance. See the installation guide for detailed requirements.

Features & Usage

Does RimuSDR include DAX and CAT?

Yes, RimuSDR includes the integrated RimuDAX and RimuCAT components as part of a single suite.

Can I use RimuSDR with WSJT-X?

Yes, the integrated RimuDAX component provides audio routing for WSJT-X and other digital mode applications. See our WSJT-X setup guide.

Does RimuSDR support SmartLink?

Yes, RimuSDR includes full SmartLink support for remote radio access and credential management.

How many panadapters can I use?

RimuSDR supports up to 8 panadapters and 8 slices, depending on your radio's capabilities.

About Rimu Systems LLC

Rimu Systems LLC develops native Linux software for amateur radio operators. The name Rimu, pronounced REE-moo, comes from the Rimu tree of New Zealand, chosen both as a nod to the founder's origins and as a symbol of strong, clean, long‑lasting design.

Additional Resources

More ways to learn about RimuSDR and stay informed.

Product Information
Visit the RimuSDR details page to learn about features, capabilities, and the integrated suite components.
Release Updates
See the release notes for the changes, fixes, and improvements in each RimuSDR release.
Setup Guides
Review our WSJT-X integration guide and other documentation to prepare for installation and configuration.
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