ARRL Year of the Club · 2026 Club QSO Party The operating event designed FOR clubs, BY clubs The ARRL has officially declared 2026 the Year of the Club, and a brand-new on-the-air event has been launched specifically to energise…
Capacitor Selection for Vintage Receiver, Transmitter, and Transceiver Restoration A practical reference for choosing replacement capacitors in premium HF tube equipment — from receivers like the R-390A and SP-600, through transmitters like the 32S-1 and Apache TX-1, to transceivers like…
The Boatanchor SDR Integration Series: Index and IF Buffer Amplifier Reference A consolidated index to the five SDR integration articles, plus a shared technical appendix on the buffered IF tap that most of them depend on. Over five companion articles,…
Spectrum Pollution · Advocacy Brief · April 2026 Starlink and the Silent Assault on the Low-Frequency Radio Spectrum How Unintended Electromagnetic Radiation from LEO Mega-Constellations Threatens Radio Astronomy, Weak-Signal Work, and the DX-er’s Night Sky — and What Amateur Radio…
KWM-380 Tantalum Capacitor Replacement Reference Board-by-Board Location Guide, Risk Assessment & Replacement Recommendations Mike Peace VK6ADA • r-390a.net • vk6ada.com.au • April 2026 This reference accompanies the Collins KWM-380 RFI Analysis & Mitigation Guide. A site visitor asked for a…
Community Join the Vintage AmateurRadio Restoration Group A dedicated mailing list for amateurs who restore, study, and operate vintage HF equipment — Collins, National, Hammarlund, Hallicrafters, Drake, Heathkit, and beyond. Technical advice, restoration notes, and a community that values doing…
Collins 32S-3 Transmitter Serial Number Guide – VK6ADA VK6ADA · Mike Peace · Vintage Collins Radio · r-390a.net Home › Collins S-Line › Collins 32S-3 Serial Number Guide Collins 32S-3 — Serial Number & Production Guide VK6ADA Technical Reference · …
Collins 32S-2 Transmitter Serial Number Guide – VK6ADA VK6ADA · Mike Peace · Vintage Collins Radio · r-390a.net Home › Collins S-Line › Collins 32S-2 Serial Number Guide Collins 32S-2 — Serial Number & Production Guide VK6ADA Technical Reference · …
SDR Resource Guide · vk6ada.com.au OpenWebRX+ · Primary Websites & Resources Web-based Software Defined Radio — The Enhanced Fork OpenWebRX+ is an enhanced community fork of the original OpenWebRX web-based software-defined radio application. It extends the upstream project with additional…
Collins 51S-1 / 1A / 1F / 1AF / 1B — AM, CW & SSB Receiver A comprehensive engineering analysis of RFI mitigation strategies, ferrite core selection, noise reduction techniques, and signal-to-noise ratio improvements for the Collins 51S-1 series receivers.…