CW or Morse code? Unpacking the FAA’s Boeing 787 Transponder DirectiveAs SARC Communicator editor I read a lot of blogs, club websites and...
Second Edition of VHF, Summits, and More Big news — I’m proud to announce that the Second Edition of my book VHF, Summits, and More is...
SOTA Challenge: CW/SSB on 2m & 70cm The SOTA Management Team launched a special challenge for 2026: a distance-based scoring challenge using CW and SSB on...
2026 CQ WPX RTTY Contest – February 14 – 15 The 2026 CQ World-Wide WPX RTTY Contest February 14-15, 2026 Starts: 0000 UTC Saturday Ends: 2359 UTC Sunday I....
INTERCEPT – Signal Intelligence Platform A web-based interface for software-defined radio tools. New software for SDR – RTL. Intercept is a free download and...
The Communicator: January – February 2026 The Communicator First Issue of 2026Happy New Year! This first issue of 2026 spans 110 pages and offers a...
CQ Worked All Zones I always have an operating goal in sight to motivate me to get on the air. On the HF...
OK DX RTTY CONTEST – December 20th, 2025 1) Date: 00:00 UTC to 24:00 UTC Saturday, 3rd full weekend in December. 2) Mode: RTTY – Baudot 3) Bands: 10, 15, 20, 40 and 80...
Top Five K0NR Blog Posts for 2025 Closing out 2025, here are the top five blog posts at k0nr.com during the year. Some people may see...
Winter Activation Of Bow Tie Mountain On December 1, most SOTA summits in Colorado gain an additional 3 points due to the Seasonal (Winter) Bonus....
Most Active SOTA Summits in Colorado -Nov 2025 Here’s an update on the most activated SOTA summits in Colorado. See my previous report here. Mount Herman (W0C/FR-063)...
Height Above Average Terrain When I get asked why I only use VHF/UHF frequencies for my Summits On The Air (SOTA) activations, I...
Height Above Average Terrain When I get asked why I only use VHF/UHF frequencies for my Summits On The Air (SOTA) activations, I...
Confirming K0NR Does Have HF Equipment A few days ago, someone told me that a rumor is circulating that I don’t own any gear capable...
Pile-Up Control System PUCS: Take control of the pile-up!by SANDER PD9HIX and ERWIN PA3EFR VAN DER HAAREvery special event station (SES) operator...
CQ WW SSB 2025 – October 25-26 RULES: The 2025 CQ World-Wide DX Contest SSB: October 25-26 Starts 00:00:00 UTC Saturday Ends 23:59:59 UTC Sunday I....
Three Useful HT Accessories Here are three affordable accessories that can help round out your VHF/UHF handheld transceiver (HT) kit. These items can...
PACIFICON 2025 – ARRL Pacific Division Ham Radio Convention – Friday, October 10 -Sunday, October 12, 2025 Pacificon℠ gives you three great days of activities for one low cost: * A full slate of outstanding Forum presentations about...
It’s our 50th Anniversary! Commemorative VHF Net check-in Tuesday 7 October at 8 pm (PST)SARC will be hosting its usual net at 8 pm...
5X2I – Uganda – September 29 to October 10 Pista HA5AO will be active between September 29 to October 10, using a FT-710 + KPA-500 amplifier and a...
A New 2m/70cm Telescoping Antenna I came across this new antenna, the TWAYRDIO RH 660S, mentioned in this Ham Radio Crash Course video. I...
ARRL – Pass The Bill You’ve probably seen the messages about the ARRL push for relief from antenna restrictions by Home Owners Associations (HOAs)....
ARRL – Pass The Bill You’ve probably seen the messages about the ARRL push for relief from antenna restrictions by Home Owners Associations (HOAs)....
Worked All Europe DX Contest – WAE SSB 2025 RULES 1 Times CW: August, second full weekendSaturday, August 9th 2025, 00:00 UTC until Sunday, August 10th 2025, 23:59 UTC...
National Hamfest 2025, UK’s Premiere Radio Rally – 5th and 6th September PLACE: George Stephenson’s Hall, Newark Showground, NG24 2NY For information visit the official website at: www.nationalhamfest.org.uk The post National...