Tag Archives: rf

Solar activity remained at moderate levels earlier this week. Therewas an approximately 20-degree filament eruption on June 4 and apossibly related Coronal Mass Ejection (CME). The CME is unlikely tohave an Earth-directed component, but analysis is in progress.The geomagnetic field is expected to be quiet to unsettled on June 7as High Speed Stream (HSS) activity […]

2025 ARRL Field Day is just three weeks away! The excitement is building. Most clubs have their activations planned. In the last two weeks, 350 more sites have been added to the Field Day Site Locator, with a total of 886 listed as of June 5. ARRL Field Day is a great way to connect […]

As Solar Cycle 25 peaks, the sun has been busy. A coronal mass ejections has thrown HF propagation for a roller coaster ride this week. While the medium and lower HF bands suffer, there’s still hope for successful operating during times of solar storms. The 6-meter band has been quite active. Reports of phone contacts […]

The second session of the ARRL Teachers Institute on Wireless Technology (TI) to be held outside of ARRL Headquarters was a success this week in Louisiana. It follows on a successful offsite institute held earlier this year in New York City.    Eleven teachers gathered in Lake Charles for the latest session. The event was featured […]

The ARRL Foundation is accepting grant applications from amateur radio organizations for eligible amateur radio-related projects and initiatives, particularly those focused on educating, licensing, and supporting amateur radio activities. To grow amateur radio's future, youth-based projects and initiatives are especially encouraged.The ARRL Foundation grants program accepts proposals on a cycli...

The ARRL Teachers Institute on Wireless Technology (TI) has 13 sessions announced in 2025, with more in the works. The program, from ARRL The National Association for Amateur Radio® is a donor-funded professional development program designed to help classroom teachers elevate their science, technology, engineering, and mathematics (STEM) programs using wireless technology.“This is all possible […]

PJ7K Team will be active from Sint Maarten, IOTA NA - 105, 12 - 22 September 2025.

HK4T will be active as 5K0T from Fuerte Island, IOTA SA - 078, late July 2025.

HK4C will be active as 5K0C from Fuerte Island, IOTA SA - 078, late July 2025.

T30TTT Team start activity from Tarawa Island, IOTA OC - 017, Kiribati.

DXCC Most wanted countries 2025 Club Log version. Updated June 2025.

VP2VRX Team will be active from Tortola Island, IOTA NA - 023, British Virgin Islands, in CQ WW DX SSB Contest, 25 - 26 October 2025.

Braco E77DX is a man who doesn’t flinch— not at a chaotic pileup, not in a storm, and certainly not when a contest weekend

XQ7IR San Ambrosio 2025: "The operation includes one operator on the island focus in SSB/FT8 Modes, and a remote station working 24/7 CW/FT8 Modes." The post 3G0XQ San Ambrosio 2025 first appeared on N0UN.net.

I took a peak at the updated Log Stats from ZS8W a bit ago. In my April 19 post "ZS8W Marion Island By YL2GM", well before the operation commenced I predicted, The post ZS8W Stats first appeared on N0UN.net.

RF-101 Linear Amp. I saw a sale ad pop up for a "linear amplifier project" on a local radio club forum, and the best part of this project ad was it said, "FREE" The post 60’s RF-101 Linear Amplifier first appeared on N0UN.net.

ZS8W Marion Island By YL2GM. Normally I'd be excited at the chance to work ZS8W but there's a couple items that have tempered my enthusiasm on this activation. The post ZS8W Marion Island By YL2GM first appeared on N0UN.net.

SV1GA/A Mount Athos WFWL (Work First Worry Later). Turned on the radio a couple days ago and heard a big pileup for SV1GA/A on Mount Athos. Turned my 173BA... The post SV1GA/A Mount Athos WFWL first appeared on N0UN.net.

I Like This DXpedition 9L5A! I'm a Ham Radio operator that stays on top of current DXpeditions (like 9L5A) in this hobby. The post I Like This DXpedition 9L5A first appeared on N0UN.net.

FT4GL Automation. So how can it be this automated FT8 operation from Glorioso (FT4GL) has been approved for DXCC? The post FT4GL Automation first appeared on N0UN.net.

FT4GL Glorioso On The Air! Well, "Kinda". That's funny. I just pulled the Club Log stats. Don't even need to explain (.0007). Those that know, know! hahahaha! The post FT4GL Glorioso On The Air! “Kinda” first appeared on N0UN.net.

Cure for stray RF on my signal. And here's the $10 permanent fix: Also works on decoupling magnetic field hum from a pole pig transformer in a linear amplifier. The post Cure For Stray RF On My Signal first appeared on N0UN.net.

DXer vs. TXTer. They are not the same. Dom, T32TT calling N0UN on "Phone" from East Kiribati: (video). Guess this picture says it all: Lazy is, as lazy does. The post DXer vs. TXTer first appeared on N0UN.net.