Overview — What CTCSS and DCS Are
CTCSS (Continuous Tone-Coded Squelch System) and DCS (Digital-Coded Squelch) are privacy code systems used in analog two-way radio communications. They do not create new channels nor encrypt your…
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Understanding Harmonics in Amateur Radio Bands
Transmitters ideally generate a single radio-frequency carrier. In reality, non-linear devices (amplifiers, mixers, oscillators) generate harmonics — unwanted frequencies that occur at integer multiples of the fundamental operating…
I have changed WP Themes!
Coverted to a New Theme
Tasting whisky like a pro isn’t about snobbery
How to Taste Whisky Like a Pro A practical, repeatable method anyone can use Professional whisky tasting is not about having a “better” palate—it is about process, consistency,…
FT-5D — ADMS-15 workflow (SD-card based, stable + repeatable)
This is the safest way to manage your FT-5D programming without fighting weird clone/transfer issues. Goal 0) One-time setup: create a “radio baseline” This becomes your “factory +…
Hotspot-Optimized Codeplug
Radio: AnyTone AT-D878UVII PlusTarget Use: Personal hotspots (Pi-Star, WPSD, OpenSpot, ZumSpot, etc.)Networks: BrandMeister-style dynamic talkgroupsDesign Goal: Fast access, zero clutter, predictable behavior Core Design Philosophy Hotspots are not…
The Science of Dilution and Ice in Whiskey: Bourbon, Scotch, and Beyond
Few topics generate as much debate among whiskey drinkers as whether to add water or ice. Purists argue that whiskey should be consumed neat; others insist that dilution…
Diagnostic guide for mis-matched baluns (what to test and what it means)
Step 1 — Identify the symptom category A) “SWR is high everywhere” Likely causes: Action: B) “SWR is reasonable, but RF in the shack / hot mic /…
Ferrite core selection charts
A. Which mix to use (HF-focused) Mix Best general region Typical “why” Practical guidance Mix 31 ~1–30 MHz Excellent for choking common-mode on HF; good broadband behavior Best…
How to Choose the Right Balun: 4:1 vs 9:1 vs 49:1 Explained
Baluns and ununs are often treated as interchangeable “black boxes,” but selecting the correct impedance transformation ratio is critical for efficiency, bandwidth, and feedline behavior. Choosing incorrectly can…