Zero Retries Digital Conference 2025 Videos

This is a temporary page for early access for attendees (in-person and virtual) and paid early access to the videos of Zero Retries Digital Conference (ZRDC) 2025.

ZRDC 2025 was held on September 13, 2025 in Everett, Washington, USA.

Please don’t share this page.

These videos will soon:

  • Be added to the ZRDC 2025 Archive page,

  • Posted to the Zero Retries YouTube channel (in progress), and

  • Added to the Digital Library of Amateur Radio & Communications (DLARC).

Zero Retries Digital Conference is very grateful to Kay Savetz K6KJN for volunteering to edit these videos.

Zero Retries Digital Conference is grateful to Dynamic Impact Audio Visual for its excellent work of video production for ZRDC 2025. If you need audio / video services in the Pacific Northwest, we highly recommend them.

Keynote Address

Amateur Radio in the 21st Century

Steve Stroh N8GNJ

Introduction by Tina Stroh KD7WSF

Steve Stroh N8GNJ - ZRDC 2025 - Keynote
117KB ∙ PDF file
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Steve Stroh N8GNJ Keynote at Zero Retries Digital Conference 2025 - Amateur Radio in the 21st Century. Slide deck as presented.
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Presentations

The KK7NQN Transcriber Service Node

Hunter Inman KK7NQN


Earth Moon Earth - With Software Defined Radio

Dennis Rosenauer AC7FT


Amateur Radio’s Virtual Universal Library - DLARC

Kay Savetz K6KJN

Kay Savetz K6KJN - ZRDC 2025 - DLARC
42.4MB ∙ PDF file
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Kay Savetz K6KJN Presentation at Zero Retries Digital Conference 2025 - Digital Library of Amateur Radio & Communications. Slide deck as presented.
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Hailing Channel for Packet Radio

Bryan Hoyer K7UDR


ARDC 44Net VPN

Schuyler Erle N0GIS


IP400

Garvin F. Cole VE6GFC

Garvin F. Cole VE6GCF - ZRDC 2025 - IP400
17.6MB ∙ PDF file
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Garvin F. Cole VE6GCF Presentation at Zero Retries Digital Conference 2025 - IP400. Slide deck as presented.
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AREDN Microwave Networking

Tim Wilkinson KN6PLV

Tim Wilkinson KN6PLV - ZRDC 2025 - AREDN
15.1MB ∙ PDF file
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Tim Wilkinson KN6PLV Presentation at Zero Retries Digital Conference 2025 - AREDN. Slide deck as presented.
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Optimizing Wide Band Receiver Performance

Paul Elliott WB6CXC

Paul Elliott WB6CXC - ZRDC 2025 - Wideband SDR Optimization
2.76MB ∙ PDF file
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Paul Elliott WB6CXC Presentation at Zero Retries Digital Conference 2025 - Wideband SDR Optimization. Slide deck as presented.
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Lightning Talks

Antenna Tracking for EME

Dennis Rosenauer AC7FT


Morse Whisper Code Training App

Trevor Cook AG7HV


GNU Radio

Derek Kozel K0ZEL / MW0LNA


LinHT

Steve Stroh N8GNJ