Every image from the retained QRZ masters has an instructional home. Use the placement links to review each one in context.
Download the complete placement checklist (CSV) ↗
43 image files and retained versions: the original 41-image master, two October 21 additions, and the current QRZ ten-band filename version. This includes the archived portable and receive-only project pictures. The introductory cover illustrations are separate.
New station records added after the QRZ masters. These links open the images beside their explanations.
Panadaptor_2_png.jpg
Current QRZ revision: RF hardware and software together, illustrative spectrum examples, and optional starting points. The earlier website revision has been replaced.
Primary home: What an External SDR Adds
See this image in its topic ↗Radio_Waterfalls_png.jpg
Original source display examples at different captured frequencies and settings; not a calibrated receiver test. Earlier same-frequency illustration archived.
Primary home: Beyond the Built-In Waterfall
See this image in its topic ↗where_Do_I_Start_png.jpg
Current QRZ decision guide: optional goals, separate CAT tuning and PTT/RF protection; not a required upgrade sequence.
Primary home: Choose Your First SDR Approach
See this image in its topic ↗Quad_Radio_Pic_png.jpg
Four receiver examples from the W3UJ bench, not a required shopping list.
Primary home: Choose Your First SDR Approach
See this image in its topic ↗Online_SDR_png.jpg
Original QRZ material placed with the explanation it supports.
Primary home: Try SDR Before You Buy
See this image in its topic ↗Upadted_1_rig_configuration_png.jpg
Historical FT-991A integration diagram. A first receive-only setup does not require this full arrangement.
Primary home: Build Your First SDR Receive Path
See this image in its topic ↗hot_2026_09_16_at_1_05_12_PM_png.jpg
RF connections on the photographed SDR Switch. Confirm markings and functions for your exact model.
Primary home: RF Routing and PTT Protection
See this image in its topic ↗IMG_0760_jpeg.jpg
Rear control and power connections on the photographed SDR Switch. These are separate from the RF ports.
Primary home: RF Routing and PTT Protection
See this image in its topic ↗Current_configuration_png.jpg
Actual physical installation: compare the cabling with the system diagram and trace RF, PTT, USB and power separately.
Primary home: Build the RF, PTT, and Computer Connections
See this image in its topic ↗2_Rig_Master_Configuration_png.jpg
The W3UJ two-radio master configuration is a station reference, not a universal connection plan.
Primary home: Build the RF, PTT, and Computer Connections
See this image in its topic ↗DXE_png.jpg
The DXE-3RIGKEYLINE combines compatible radio keying lines. It does not carry RF or replace SDR receiver protection.
Primary home: RF Routing and PTT Protection
See this image in its topic ↗image0_1_.jpeg
The Daiwa CS-201A selects the active HF transceiver RF path. Do not change the selection while transmitting.
Primary home: Build the RF, PTT, and Computer Connections
See this image in its topic ↗image1_1_.jpeg
Dedicated second supply and master power control for the SDR Switches, separate from the main radio supply. The station inventory identifies a Mean Well LRS-100-12; check the actual supply label, voltage and polarity before wiring. This photograph documents the installation and is not an AC wiring tutorial.
Primary home: Build the RF, PTT, and Computer Connections
See this image in its topic ↗Splitter_3_png.jpg
Mini-Circuits splitter presented on the approved cream background. Original QRZ photograph retained in the source archive.
Primary home: Build the RF, PTT, and Computer Connections
See this image in its topic ↗Ready_to_Build_png.jpg
Original QRZ material placed with the explanation it supports.
Primary home: Build Your First SDR Receive Path
See this image in its topic ↗Dulplexer_png.jpg
Original QRZ material placed with the explanation it supports.
Primary home: Plan Your SDR Station
See this image in its topic ↗FT_991A_Rear.jpg
FT-991A rear panel: identify the antenna, transmit-control, USB/CAT and DC power paths separately.
Primary home: Build the RF, PTT, and Computer Connections
See this image in its topic ↗FTDX10_Rear.jpg
Manufacturer image replaces the altered rear-panel presentation. Earlier QRZ-derived version retained in reference/rear-panel-verification.
Primary home: Build the RF, PTT, and Computer Connections
See this image in its topic ↗FT991A_PTT_Connection_png.jpg
FT-991A TUN/LIN transmit-control connection; this is a control path, not an RF feed.
Primary home: Build the RF, PTT, and Computer Connections
See this image in its topic ↗PTT_Cable_png.jpg
Original QRZ material placed with the explanation it supports.
Primary home: Build the RF, PTT, and Computer Connections
See this image in its topic ↗IMG_0765_jpeg.jpg
Original QRZ material placed with the explanation it supports.
Primary home: Build the RF, PTT, and Computer Connections
See this image in its topic ↗IMG_0766_jpeg.jpg
Original QRZ material placed with the explanation it supports.
Primary home: Build the RF, PTT, and Computer Connections
See this image in its topic ↗Toroids_png.jpg
Original QRZ material placed with the explanation it supports.
Primary home: Build the RF, PTT, and Computer Connections
See this image in its topic ↗Other_Brands_Image_png.jpg
Approved website redraw preserves connector roles and brand-specific reference detail; original QRZ graphic archived. Pin roles are not physical wiring positions.
Primary home: Apply the SDR Approach to Another Radio
See this image in its topic ↗SDR_Switch_Daisy_Chain_png.jpg
Multiple-switch PTT control: DXE-3RIGKEYLINE PTT OUT → HF PTT; HF AMP → VHF/UHF PTT; VHF/UHF AMP → receive-only PTT. This is the control chain, separate from RF routing. Read the timing, isolation and power-loss checks below.
Primary home: RF Routing and PTT Protection
See this image in its topic ↗tch_RXin_RXout_Configuration_png.jpg
Original QRZ material placed with the explanation it supports.
Primary home: Build Your First SDR Receive Path
See this image in its topic ↗SDR_Console_40_Meter_png.jpg
Original QRZ material placed with the explanation it supports.
Primary home: Operating with SDR Console
See this image in its topic ↗SDR_Console_Multi_View_png.jpg
Original QRZ material placed with the explanation it supports.
Primary home: Operating with SDR Console
See this image in its topic ↗SDR_Console_Amatuer_CW.png.jpg
Earlier ten-band screenshot retained for source continuity.
Primary home: Operating with SDR Console
See this image in its topic ↗SDR_Console_Noise_Reduction_png.jpg
Original QRZ material placed with the explanation it supports.
Primary home: Operating with SDR Console
See this image in its topic ↗SDR_Console_Amatuer_CW_png.jpg
Current QRZ ten-band display beside the operating explanation. The earlier screenshot remains available in this guide.
Primary home: Operating with SDR Console
See this image in its topic ↗Receive_Only_SDR_png.jpg
User-approved photo-based replacement, October 25, 2026. Historical QRZ artwork retained in the source archive; the current diagram separates receive RF from PTT control.
Primary home: A Separate Antenna for Receiving
See this image in its topic ↗_Rece.jpg
Configuration-specific receive-only expansion with a customized switch and an RXin/RXout switch. Coordinated PTT protection is documented separately; this is not generic standard-switch port guidance.
Primary home: A Separate Antenna for Receiving
See this image in its topic ↗Portable_Operations_Graphic_png.jpg
Illustrative project overview, separate from the actual portable-build photographs.
Primary home: The Portable SDR Project: Inside the Build
See this image in its topic ↗IMG_0456.jpeg
Original QRZ material placed with the explanation it supports.
Primary home: The Portable SDR Project: Inside the Build
See this image in its topic ↗C5FF_9E6C_4732_B489_06463B69C911.JPG
Original QRZ material placed with the explanation it supports.
Primary home: The Portable SDR Project: Inside the Build
See this image in its topic ↗IMG_0455.jpeg
Original QRZ material placed with the explanation it supports.
Primary home: The Portable SDR Project: Inside the Build
See this image in its topic ↗QRZ_Backgroud_3_png.jpg
Original QRZ material placed with the explanation it supports.
Primary home: How the W3UJ Station Developed
See this image in its topic ↗New_At_A_Glance_10_png.jpg
Original QRZ material placed with the explanation it supports.
Primary home: How the W3UJ Station Developed
See this image in its topic ↗IMG_9124_jpeg.jpg
Original QRZ material placed with the explanation it supports.
Primary home: How the W3UJ Station Developed
See this image in its topic ↗IMG_9110_jpeg.jpg
Original QRZ material placed with the explanation it supports.
Primary home: How the W3UJ Station Developed
See this image in its topic ↗Bench_Rigs_jpeg.jpg
Original QRZ material placed with the explanation it supports.
Primary home: How the W3UJ Station Developed
See this image in its topic ↗Station_Pic_jpeg.jpg
Original QRZ material placed with the explanation it supports.
Primary home: How the W3UJ Station Developed
See this image in its topic ↗Checked against the current public QRZ biography and the retained October 19 and October 21 masters. This index covers images used in those sources; it is not a verified inventory of unused files in the private QRZ upload manager. Original station images stay with their instructional material.