ABSTRACT: On 25 October 2013, the Sun emitted two significant solar flares. The first solar flare, classified X1.7, peaked at 08:01 UT. The second one, X2.1, peaked at 15:03 UT and was accompanied by ...

6 Best HF Antennas for 2025 to Boost Your Ham Radio Signal Anywhere Links to the best HF Antennas are listed down below: 6. Moonraker Ltd GPA-80 5. DX Engineering XB-5 Hexx Beam HF Antenna 4. Foul ...

Raspberry Pi Zero 2 W-based 3-antenna switch for HF (100W), controlled via Flask. Uses ANMBEST 4-channel relay (active HIGH), Freenove Breakout Board HAT, and SO-239s in a DXE-UE-2P box with Alpha ...

Nearly 300 commenters have already flooded the FCC’s website since Chairman Brendan Carr asked for public input on ways to eliminate burdensome regulations. Experts say much of the FCC work will ...

When I was a kid living near Grantsville, West Virginia, some of my neighbors were into amateur ham radio. I found their analog electronics and antennas and their mastery of Morse code fascinating.

Rotary WARC Band (30, 17, 12m) dipole antenna. Constructed using alu tubes and utlizing common feed point method for all bands ...

When Helene swept across the Southeast on Sept. 27, including Western North Carolina, cell phones and internet-based communication became unusable. People still needed a way to talk — to check on ...

A group of Irish amateur radio operators will mark the 170th anniversary of Loop Head Lighthouse this weekend in Co Clare. The "Ham" radio operators, a nickname for amateurs in the profession, will be ...

Abstract: Ship’s HF loop antenna with capacitative load is optimized for NVIS link with application of Method of Moments. Optimizing criteria for electric current distribution on antenna structure is ...

KNIGHTDALE, N.C. (WNCN) — Anyone who has said, “10-4” or “roger that” has made a nod to the longstanding traditions of radio lingo. Roughly 35,000 people, from hobbyists to those who rely on radios ...