What’s New
Recent additions and substantive revisions to the W3UJ station guides. Follow an update directly to the relevant section.
This history highlights new material and useful changes. Routine formatting edits are omitted. Update dates record content changes; they do not imply a new technical review of the entire guide.
Mobile Operations & POTA
W3UJ’s FTM-500DR/Comet VHF/UHF setup, FT-891/ATAS HF pairing, and the FT-891’s second role as a POTA radio.
Explore Mobile Operations →D-STAR at W3UJ
A separate digital-voice topic for the Kenwood TH-D75A and Elite 3.5 LCD ZUMspot, with a first-contact overview and troubleshooting.
Explore D-STAR →Four Clear Reference Destinations
Programs and drivers, test equipment and diagnostics, station equipment, and organizations now have clear entry points in Reference.
Open Reference →Test Equipment and Diagnostics
Read the CN-901 dial, run a Stick XPro antenna sweep, and find multimeter checks, SDR Switch testing and common-mode RF guidance.
Explore Test Equipment →Frequently Used Programs
Eleven programs with official links and purposes, including NetLogger, N1MM Logger+, GridTracker, SDR Console, WSJT-X, Fldigi and Flrig.
Find Programs →Test Your SDR Switch
A friendly five-test SDRSwitch.com RXin/RXout continuity procedure from N2EME, with a downloadable checklist and links from build and troubleshooting instructions.
Open the Testing Procedure →The W3UJ Antenna Journey
From attic antennas to permanent HF paths and portable backyard options, with actual build photos and a comparison of mast and tripod supports.
Read the Station Experience →Antennas for Your Space
A new guide to HOA constraints, practical antenna approaches, supports and mounting, and evaluating reception.
Explore the Antenna Guide →Radio and Antenna Switching Explained
Understand Daiwa and Alpha Delta selection, grounding and surge features, and how they complement PTT-controlled SDR protection. Switching parts and links are now together.
Explore Radio and Antenna Selection →Starting-Point Decision Guide Updated
Choose the SDR capability you need with the current QRZ decision graphic, including clearer distinctions between CAT tuning and RF/PTT protection.
Choose Your Starting Point →Original Radio Displays Compared
Compare the FTDX10 3DSS display, IC-7300MK2 waterfall, and SDR Console workspace using source captures with their original readouts.
Compare the Display Examples →Station Overview Refreshed
See the Yaesu transceivers, independent SDR receivers, SDR Console workspace, switching hardware, and LoG receive-antenna reference together.
View the Station Overview →LoG Build Photos Added
Examine the ground-level antenna wire, BFS-1 connections, feedpoint mounting, and resistor detail beside their build explanations.
Explore the LoG Build →Filters and Noise Reduction Explained
Use actual SDR Console close-ups to distinguish receive-filter width from noise-reduction methods and compare what you hear.
Explore the Receive Controls →Receive Routing and PTT References Updated
Follow the current receive-side antenna routing and the separate three-switch PTT control chain.
View the Receive Routing →