N6NU SDR Bridges

Windows installers for the SDR bridges that feed wideband I/Q into a modified WSJT-X / QMAP for wide-band Q65 EME and other digital modes. Pick the bridge for your hardware.

Each release is a drop-in upgrade from the previous one. Latest family release: v1.1.5. See the beta-tester guide PDF for setup, troubleshooting, and the technical reference.

Bridges

HackRF One

8-bit ADC, 1 MHz - 6 GHz. Needs WinUSB via Zadig (bundled in installer).

Latest: hackrf-rx-bridge-1.1.5-setup.exe

Previous: v1.1.4 · v1.1.3 · v1.1.2 · v1.1.1 · v1.1.0

RTL-SDR (R820T2 / V3+)

8-bit ADC, max 2.4 Msps. Needs WinUSB via Zadig (bundled).

Latest: rtlsdr-rx-bridge-1.1.5-setup.exe

Previous: v1.1.4 · v1.1.3 · v1.1.2 · v1.1.1 · v1.1.0

SDRplay (RSP1A / RSPduo / RSPdx)

14-bit ADC. Requires SDRplay API 3.x service installed first from sdrplay.com.

Latest: sdrplay-rx-bridge-1.1.5-setup.exe

Previous: v1.1.4 · v1.1.3 · v1.1.2 · v1.1.1 · v1.1.0

AirSpy R2

12-bit ADC, 10 Msps native. Needs WinUSB via Zadig (bundled).

Latest: airspy-rx-bridge-1.1.5-setup.exe

Previous: v1.1.4 · v1.1.3 · v1.1.2 · v1.1.1 · v1.1.0

ADALM-Pluto / Pluto+ (RX only)

12-bit ADC, 70 MHz - 6 GHz. Requires Analog Devices' libiio drivers installed first.

Latest: pluto-rx-bridge-1.1.5-setup.exe

Previous: v1.1.4 · v1.1.3 · v1.1.2 · v1.1.1 · v1.1.0

ADALM-Pluto / Pluto+ (RX+TX)

Same hardware as pluto-rx but with TX path enabled. Use this if Pluto is your only radio (QO-100, indoor low-power tests).

Latest: pluto-wsjtx-bridge-1.1.5-setup.exe

Previous: v1.1.4 · v1.1.3 · v1.1.2 · v1.1.1 · v1.1.0

FunCube Pro+ V2 / FlexRadio DAX-IQ / Malachite

Sound-card IQ source (any USB sound card delivering stereo IQ as audio L=I, R=Q). No special drivers — Windows audio class.

Latest: iq-rx-bridge-1.1.5-setup.exe

Previous: v1.1.4 · v1.1.3 · v1.1.2 · v1.1.1 · v1.1.0

Beta-tester guide

PDF covers what's new in this build of WSJT-X / QMAP-improved, why the bridges exist, per-bridge setup (drivers, gains, quirks), a troubleshooting table, and a technical reference at the end.

WSJTX-QMAP-improved-beta-guide.pdf (latest build, served from this site)

The same PDF also ships inside each bridge installer at {install dir}\WSJTX-QMAP-improved-beta-guide.pdf, accessible from the bridge GUI via Help → User Guide (F1) since v1.1.5.