News: Olivia Digital Modes on HF
Greetings Olivia and digital mode operators, GREAT NEWS! WEBSITE UPDATE! Here are the big three new features: Live Olivia...
Category: Amateur radio
Mercury: A New Open-Source HF Modem Set to Transform Digital Amateur Radio Communications
The HERMES Project introduces Mercury, a fully open-source HF modem designed to deliver reliable, adaptive digital communications for amateur...
Echoes of CW: A Signal Corps Tribute to Virginia L. Scott and the WAVES of WWII
Looking at this historic painting brings back a flood of memories from my own time in the Signal Corps....
The SARC Communicator: July – August 2026
Welcome to The CommunicatorWelcome to the July-August 2026 issue of The Communicator. As summer hits its peak, this bumper...
A Pileup? What It Is And How To Work One
Welcome to the chaotic, thrilling world of the HF pileup. When a rare station or a Parks On The...
What was your first major receiver?
I started in the ham radio and shortwave listening hobby in 1972. By 1975, this was my first real...
Senator Ted Cruz Highlights Amateur Radio Public Service (Memorial Weekend 2026)
Senator Ted Cruz, in this pre-Memorial-Day message, thanks amateur (ham) radio volunteers who serve the public through emergency communications,...
1946: Thousands of Hams Allowed Back on the Air
I have been spending time reflecting on the history of our wonderful hobby, and this April 1946 issue of...
Hamvention 2026 – Mark Your Calendars for the Ultimate Ham Radio Gathering!
Excitement is building in the amateur radio community as Hamvention 2026 approaches! This legendary event is an unparalleled opportunity...
The SARC Communicator : May-June 2026
Welcome to The CommunicatorAmateur radio has always been a pursuit of contrasts—venerating the past while racing toward the future....
CW or Morse code?
Unpacking the FAA’s Boeing 787 Transponder DirectiveAs SARC Communicator editor I read a lot of blogs, club websites and...
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...
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...
A Conversation About Amateur Radio and Hurricane Helene with Mark Hurst on Techtonic
I was recently invited onto Techtonic, the weekly technology program on WFMU, hosted by Mark Hurst. If you’ve never...
Festive Callsigns PH25XMAS and PH26HNY Return to the HF Bands
Celebrating 5 Years of Holiday Spirit on the AirNow with an AI-Powered Award System! As the Christmas season approaches,...
The Communicator: November – December 2025
Welcome to the November-December 2025 edition of the SARC Communicator, your go-to guide for all things amateur radio in...
The Communicator: November – December 2025
Welcome to the November-December 2025 edition of the SARC Communicator, your go-to guide for all things amateur radio in...
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....
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...
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...
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...
RSGB 2025 CONVENTION
10-12 October Kents Hill Conference Centre, Milton Keynes The RSGB Convention is a prestigious event not to be missed....