Category: HF
-
Remote SDR Listening: KiwiSDR, WebSDR, and Hearing the World Without a License
You don’t need a license, a radio, or even an antenna to hear what HF sounds like from another continent. Public web-based SDR receivers, KiwiSDR and WebSDR being the two big networks, put a real receiver anywhere in the world at your fingertips through a browser. How these networks work Volunteers around the world host…
-
Ham Radio Cheat Sheet: Q Codes, Band Plan, Phonetics & Antenna Lengths
Every ham radio cheat sheet you need in one place: Q codes, the ARRL band plan for Technician, General, and Extra, the phonetic alphabet, and EFHW and random wire antenna lengths for HF.
-
Troubleshooting IC-7300 Mark II Digital Mode Audio Issues
The digital mode audio problems that come up most with the IC-7300 Mark II, and the order I actually check things in to fix them fast.
-
Building Your First QRP Kit: What to Expect
There is a specific kind of satisfaction in making a contact with a radio you soldered together yourself. Building a QRP kit is one of the most approachable ways into homebrewing, even with zero electronics background.
-
The Petition That Could Finally Give Technicians a Reason to Explore HF
ARRL’s RM-11828 petition would give Technician licensees limited HF phone and digital privileges. Here’s what it proposes and where it stands with the FCC in 2026.
-
FT-891 CAT Control Setup with Ham Radio Deluxe
Getting the FT-891 talking to Ham Radio Deluxe over CAT control through the Digirig DR-891, including driver and port settings that actually work.
-
HF Go-Kit Power Budgeting: Matching Battery Capacity to Realistic Operating Time
Nothing ends a POTA activation or a field deployment faster than running out of power halfway through. Guessing at battery capacity is how that happens, actually running the numbers is how you avoid it. Start with your radio’s actual current draw Every radio’s manual lists current draw figures for receive, standby, and transmit at various…
-
IC-7300 Mark II vs Icom’s Higher-End Radios: When You Actually Need More
Where the IC-7300 Mark II tops out, and what actually justifies stepping up to something like the IC-7610 or IC-7851.