Zero Retries Index 2026

Index of Zero Retries Issues and stories published in 2026

For PDF versions of Zero Retries, see the
Zero Retries newsletter collection on
Digital Library of Amateur Radio & Communications (DLARC)
on the Internet Archive.

Links below skip ahead to each month

• January 2026

• February 2026

• March 2026

• April 2026

• May 2026

• June 2026

• July 2026

• August 2026

• September 2026

• October 2026

• November 2026

• December 2026

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January 2026

Zero Retries 0234 - 2026-01-16

Request To Send

• Paid Subscribers Update

• Leaving Substack

• Welcome to Ghost

• Zero Retries Archive Now On Digital Library of Amateur Radio & Communications

• Store and Forward episode 14 — Ham Radio in 2025 and 2026

• NotebookLM Success

• Recent Updates to Zero Retries Guides

• Weekends Are For Amateur Radio!

What’s New at Digital Library of Amateur Radio & Communications — January 2026

Amateur Radio Standards Organization?

ZR > BEACON

• NA6D OpenTNC

• New RPC Electronics Products Spotted

• AREDN Production Release 4.26.1.0

• HamWAN 2025 Summary Report

• Masters Communications Model FMDM-150M FM Deviation Meter

• Interesting Potential Data Mode - Using DTMF as a Data Protocol

• LinHT for Beginners: A Linux-Based Experimental SDR Radio

• What are amateur radio’s top three priorities in the next three years?

• KernWi-Fi engineers the VK Yaesu IMRS Network: a first of its kind, carrier grade build for Australia

• Experimental Radio News 14

• APRS Over LoRa Articles on How APRS Works

• AI6YM Announcements / New Products

• HydraSDR Update

• Introducing the Raspberry Pi AI HAT+ 2: Generative AI on Raspberry Pi 5

• Hubble Network - Bluetooth to LEO Satellite

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Zero Retries 0235 - 2026-01-23

Request To Send

• The Saga of the Conversion to Ghost - Part 2

• Paid Subscribers Update Next Issue

Apologies for Too Much Technological Innovation in Amateur Radio

Collision(s) with the Future of Amateur Radio

• Collision 1 - The CW Gray Zone

• Collision 2 - Digital Voice Modes Versus Software Defined Radio

• Collision 3 - The Largely Unnoticed Rise of NewTechHams

• Conclusion

What Would A Future Mesh Networking Broadcast Include?

ZR > BEACON

• Announcements of IP400 Developments - January 2026

• Two Tech Minds Videos

• AMSAT CubeSatSim Kit - Heathkit Edition Educator Pack

• MeshCom - a New “Meshxxx” Variant Specifically for Hams

• A Latent Interest In Amateur Radio Paging

• SafecomLink

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Zero Retries 0236 - 2026-01-30

Request To Send

• Paid Subscribers Update

• The Saga of the Conversion to Ghost and zeroretries.radio - Part 3

• Attending HamSCI 2026

• I’m On The New ARDC Grants Communications Team

• The Emerging ‘Technification’ of Amateur Radio

• Great Meeting with Professor Andy Klein of Western Washington University

Breaking - ADRCS and TARPN Announce New Audio OFDM-based Mode for VHF / UHF Radios

What Would A New, More Advanced Amateur Radio VHF / UHF Data Mode Look Like?

• What VARA FM Does Well

• Equivalent Capabilities of VARA FM in Packet Radio

• What Could Cause This Status Quo To Improve?

• WA4DSY 56k Radio Modem

• Icom D-Star Digital Data

• New Packet Radio

• AREDN on 902-928 MHz

• LinHT Experimental Data Mode

• IP400 Mesh Network Project

• Kantronics 9612XE

• MMDVM-TNC

• Rhizomatica Mercury Modem

• Faster Data Rates in Dire Wolf Software TNC

• Conclusion

Kenwood TM-D750A / TM-D750E Mobile Radio is Apparently Imminent

ZR > BEACON

• OPEN.SPACE: AN OPEN SOURCE SDR BASED PHASED ARRAY FOR BOUNCING SIGNALS OFF THE MOON

• This is a New Kind of Wireless (video)

• DIY P25 Trunked Repeater System - Ham Radio (video)

• Microwave HamTV From Space (Not SSTV) (video)

• Amateur Technician Position for Repair Units - Yaesu

• Kantronics 9612XE

• ARDC’s Priority Areas for Funding

• [AMSAT-US] 2025 Symposium Papers and Presentations

• m17-texting

• The FCC Wants to Let Broadcasters Turn Off Your TV

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February 2026

Zero Retries 0237 - 2026-02-06

Request To Send

• The Saga of the Conversion to Ghost and zeroretries.radio - Part 4

• Weekends Are For Amateur Radio!

Breaking - Zero Retries Digital Conference 2026 - October 16 in San Ramon, California

Thought Experiment - Top Three Priorities for Zero Retries Interesting Amateur Radio In the Next Three Years; Part 1 of 3 - Inputs

• (Only) 3 Ideas, (Only) 3 Years?

• Responses

Petition for Rulemaking Filed with FCC to Permit Limited Use of Cryptographic Protection for Certain Amateur Emergency and Resiliency Communications

ZR > BEACON

• Happy 10th Anniversary of MMDVM’s Creation

• Hamradio Manifesto: From Utility to Creativity

• Is The “Mini” Better for Data Modes? (Video)

• NASA Selects Participants to Track Artemis II Mission

• A HamClock Server Alternatives Presages Many HamClock Options?

• New Comedy Podcast Tackles Ham Radio’s “Gatekeeping Problem” With Humor and Education

• Explore the Stratosphere With a DIY Pico balloon
  A tiny ham-radio transmitter lets you track a balloon globally

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Zero Retries 0238 - 2026-02-13

Request To Send

• Substack Data Breach

• (Invalid) Security Warnings for zeroretries.radio

• Paid Subscribers Update

• The Saga of Conversion to Ghost and zeroretries.radio - Part 5

• Zero Retries Digital Conference 2026 Page

• Weekends Are For Amateur Radio!

What’s New at Digital Library of Amateur Radio & Communications — February 2026

Thought Experiment - Top Three Priorities for Zero Retries Interesting Amateur Radio In the Next Three Years; Part 2 of 3 - Consolidation / Synthesis of Ideas

• Amateur Radio Standards Organization (ARSO)

• Commercial Interest in Amateur Radio Spectrum

• Data Communications Emphasis, Mesh Networking, Newer Digital Voice Systems

• Emergency Communications (EMCOM)

• GEO Payload / Satellite for Western Hemisphere

• High Frequency (HF) Operation

• New Amateur Radio Organizations

• Primary References - Books, Web Page, Wiki for “I’m a Ham - Now What?“

• Regulatory Reform (Mostly, US)

ZR > BEACON

• Breaking - ARRL Begins to Consider Encryption in Amateur Radio

  • Post Publication Update

• MMDVM and MQTT

• We’re excited to announce the launch of our crowdfunding campaign for xSDR

• Offline Electronic Maps

• Headless APRS Appliance

• Some Interesting (New?) Vendors at Hamcation 2026

• Silent Keyboard - Professor David J. Farber

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Zero Retries 0239 - 2026-02-20

Request To Send

• Paid Subscribers Update

• No More Fable Of Contents

• (Invalid) Security Warnings for www.zeroretries.radio - Part 2

• The Saga of Conversion to Ghost and zeroretries.radio - Part 6

• Post Publication Update on Zero Retries 0238 - Breaking - ARRL Begins to Consider Encryption in Amateur Radio

• I’ll Have a Table at Mike & Key Electronic Flea Market 2026

• Weekends Are For Amateur Radio!

Technological Innovation In Amateur Radio

N8GNJ’s Top Three Priorities for Zero Retries Interesting Amateur Radio in the Next Three Years

• Data Communications Emphasis, Mesh Networking, Newer Digital Voice Systems

• GEO Payload / Satellite for Western Hemisphere

• Regulatory Reform (Mostly, US)

• Primary References - Books, Web Page, Wiki for “I’m a Ham - Now What?”

ZR > BEACON

• Great Idea for Enhancing Geocaching With Amateur Radio

• MOP - Mesh Operations Protocol

• Quantum SDR Project

• Video - Tech Minds Ft2 Is The Fastest Digital Mode Ever Created!

• Video - Ham Radio Keyboard-to-Keyboard Options!

• Video - AREDN Networking Software Update ~ 02/11/2026

• MSeven - M17 App for iPad

• ARRL’s Digital Networking for Ham Radio Book Now Shipping

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Zero Retries 0240 - 2026-02-27

Request To Send

• Paid Subscribers Update

• Hamvention 2026 Ho!

• Big Update of the Zero Retries About Page

• Porting Over from Substack - No Progress This Week

• (Invalid) Security Warnings for www.zeroretries.radio - Part 3

• Administrivia

• Weekends Are For Amateur Radio!

Impressions of ARRL’s New Digital Networking for Ham Radio Book

• Notable Inclusions In This Book

• Minor Nitpicks

• The Problem With a Book... Is That It’s a Book

• Lots of Digital Networking Occurring on Amateur Radio VHF / UHF Bands

• The “Encryption” Bogeyman

• Conclusion

• A Suite of ARRL Amateur Radio Networking Books?

ZR > BEACON

• TPRFN Two New Resource Pages

• New Amateur Radio Organization - Alliance Amateur Radio Society

• New High-Performance Software Defined Radio

• Auto-NVIS: Autonomous Ionospheric Nowcasting System

• 2026 Hamcation AMSAT Forum | Drew Glasbrenner, KO4MA President’s Update

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March 2026

Zero Retries 0241 - 2026-03-06

Request To Send

• Paid Subscribers Update

• Administrivia - Imports Into Ghost (Finally), Welcome to Zero Retries on Ghost

• (Invalid) Security Warnings for www.zeroretries.radio - Part 4

• Hamvention 2026 Ho!

• Attending HamSCI 2026 Next Weekend

• Weekends Are For Amateur Radio!

• Publication Note - Likely No Zero Retries Next Week

LinHT Revision B Making Great Progress

• LinHT boards have arrived!

• LinHT Rev B update

• LinHT rev B – first boot

Mercury HF Modem v2

Multi-Instance (Cross Band / Multi Radio) Cluster in VarAC

ZR > BEACON

• A Look Back at 2025: ARDC’s Annual Report is Now Available

• SARC Communicator Journal: March-April 2026

• Simple D-Star Transceiver Uses Inexpensive Hardware

• Discovery Drive Campaign Launching Soon

• Inovato, N0LSR Design Endorse Open HamClock Backend Public Server

• Apple’s New MacBook Neo

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Zero Retries 0242 - 2026-03-13

Request To Send

• (Invalid) Security Warnings for www.zeroretries.radio - Part 5

• Paid Subscriptions for Zero Retries to Resume Soon

• Stealth Sponsorships Available - Founding Members

• We Love Random Wire Newsletter / EtherHam Too!

• Hamvention 2026 Ho!

• New Zero Retries One Pagers

• 3500+ Zero Retries Email Subscribers

• Weekends Are For Amateur Radio!

What’s New at Digital Library of Amateur Radio & Communications — March 2026

NewTechHams Are My Hope For The Future of Amateur Radio

ZR > BEACON

• CoronaSDR for IOS – a Free Native RTL_TCP Client

• Discovery Drive - A motorized antenna rotator engineered for the Discovery Dish

• AREDN Evangelizes Modern Amateur Radio Networking at SCALE Conference

• Second Edition of VHF, Summits, and More

• MFJ Documentary / Martin F. Jue: Life and Legacy

• ARISS Beyond the ISS

• AMSAT-US Trying To Get Some Attention from GEO Satellite Vendors

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Zero Retries 0243 - 2026-03-20

I-Frame

• Missing email subscribers...

• A Confession...

HamSCI 2026 and ARRL Headquarters Tour

• The People and Zero Retries Interesting Conversations

• ARRL Lab Visit

• Wrapping Up HamSCI 2026

Thought Experiment - Frequency Hopping (But Not Spread Spectrum) Radio System

ZR > BEACON

• Hush’s first release is FINALLY OUT!!!!

• RPC Electronics ESP32 LoRA-Pi Modem Now Shipping

• What if I told you that you could do Ethernet over LoRA?

• Michigan Radio Amateurs Technological Society (MIRATS)

• ARDC is Hiring (Contract Roles)

• GRCon26 Key Dates

• Using M17 Without a Radio

• NEWSDR 2026

• Ground Station: An Open Source SDR Orchestration Platform for Satellite Tracking And Decoding

• Automatic Signal Recognition With AI Machine Learning And RTL-SDR

• Video - Andy’s Ham Radio Linux ~ 03/11/2026

• Video - Pluto+ Clone SDR Review

Request To Send

• Zero Retries Photo Essay Page Coming Soon

• (Yet Another) Future Project - Zero Retries Fiction Series

• Finally Scored a Raspberry Pi 500 Plus

• Sad Hams - Route Around Them

• Hamvention 2026 Ho!

• Weekends Are For Amateur Radio!

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Zero Retries 0244 - 2026-03-27

I-Frame

• Some Weeks Just Fly By

• Not Publishing on Substack

AX.25 Version 2.2 - John Langner WB2OSZ

• Introduction by Steve Stroh N8GNJ

FCC Bans New “Consumer Routers” - Steve Stroh N8GNJ

Starlink Now Marketing Starlink as Suitable for Emergency Backup - Steve Stroh N8GNJ

ZR > BEACON

• AREDN Soon “Rebased” on OpenWrt 25.12

• PyTNC Pro

• GroundWave Project

• The ISS Returns to S-Band: HamTV Now Transmitting Color Bars on 13 cm

• Improving Open AMBE for D-Star

• 44Net Connect Has a Limit of 8 Tunnels

• Starlink Micro Stealth Introduction?

• First Release Candidate For GNU Radio 4 (GR4)

• UltraPeater

• Introducing Hamstat.com

• CDM Repeaters

• Video - TRMNL X

Request To Send

• Still Working on Getting Paid Subscribers Set Up In Ghost

• Apologies to Zero Retries Subscribers on Comcast / Xfinity

• Perhaps a Disruption Is Coming for the zeroretries.radio Domain...

• Nice Mention of Zero Retries by Jared Crapo K0TFU

• Hamvention Ho!

• Weekends Are For Amateur Radio!

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April 2026

Zero Retries 0245 - 2026-04-03

I-Frame

• Zero Retries Back on Substack / www.zeroretries.org

open.space - Moon Launch Update!

• Martin McCormick K1MCC via email

• Gems of Info From the Website / Update

• But wait - there’s more!

• The Zero Retries Perspective on MoonRF

Introducing an AREDN Chat Client

• The Zero Retries Perspective on Raven

KISS Protocol Implementation Improved

• Introduction

• Updating the Linux MKISS Driver in Linux

• MKISS is not Multidrop KISS (or XKISS, or 6PACK)

• Addressing Multiple Radio Ports in the Kantronics 9612XE

• Conclusion

ZR > BEACON

• IP400 Project Reaches Halfway Point

• Stixs - Handheld 5 Watt VHF / UHF LoRa Data Radio In Development

• DLARC: The Radio Geek’s Doomscrolling Antidote

• Another Entirely Zero Retries Interesting Issue of Random Wire Newsletter!

• Amateur Repeater Directory - With a Novel Update System

• Why You Might Want To Set Up Your Raspberry Pi Internet Web Server on 44Net

• Video - Meshtastic vs Meshcore vs Reticulum vs ATAK

Request To Send

• Paid Subscribers / Founding Members Update

• Presentation at Surrey Amateur Radio Communications Society (SARC) Next Week

• Cross Fertilization

• Hamvention Ho!

• Weekends Are For Amateur Radio!

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Zero Retries 0246 - 2026-04-10

I-Frame

• Paid Subscribers / Founding Members Update

• MoonRF Quad Likely Priced at $399, Not $2k

What’s New at Digital Library of Amateur Radio & Communications - April 2026
By Kay Savetz K6KJN

ZR > BEACON

• MOP - It’s (Web Page) is Back!

• An Old Concept That Could Be Resurrected

• Transceive 1.4 Beta Testers Wanted

• Significant Potential for Interference in Amateur Radio 420-450 MHz (70cm) Band in California

• New AX.25 library for ESP32 Microcontrollers

• Introducing Radio Terminal

• CascadiaMesh

• HAM / Amateur Radio - Integrating the Linux and Radio Worlds Together

• The mkiss Module Update is Actually a Pretty Big Deal

• Video - Best Radio for Decoding APRS/Packet Data?

Request To Send

• Substack Can Post Without Emailing

• Zero Retries 0241 - 0244 backposted to Substack / www.zeroretries.org

• DLARC is Such an Incredible Resource

• My Presentation at SARC

• GMRS in Canada Doesn’t Require a License

• Hamvention 2026 Ho!

• The Technological Innovation In Amateur Radio Firehose Continues

• We need a Packet Radio Appliance

• Upcoming Events

• Comcast - Grrr…

• Weekends Are For Amateur Radio!

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Zero Retries 0247 - 2026-04-17

I-Frame

• Paid Subscribers / Founding Members Update

VARA FM is Not an “Encrypted” Mode and is Legitimate and Legal for Use on Amateur Radio

• § 97.309 is an Amateur Radio Superpower

• KN4MKB’s Assertions Are a Slippery Slope

• Want to Monitor? Just Buy a System.

• Conclusion

More Widespread Use of OFDM in Amateur Radio VHF / UHF Data Communications is Imminent

• Various Implementations of OFDM in Amateur Radio

• NinoTNC Implementation of OFDM

• Another Amateur Radio Tower of Babel - OFDM?

• Perhaps, Some Coordination?

ZR > BEACON

• WSJT-X 3.0 Upgrade Is Significant

• Two Good Articles on M17 In Random Wire 178

• Ham Radio History: How RTTY Became the First Mainstream Digital Data Mode

• Stealth Signals Are Bypassing Iran’s Internet Blackout

• Fixing Baltimore’s Unequal Weather Data Coverage

• Group Seeks to Close RADAR Gap with Hays Community Radar Project

• FCC Reviews Growing Space Sector’s Need For Spectrum

• ARDC is Hiring: Software Developer (PT Contract)

• Tuscon Amateur Packet Radio TNC Radionics Micro Processor RARE!

Request To Send

• Pressures of a Weekly Newsletter

• Focus is the Tradeoff For Keeping Up With Technological Innovation in Amateur Radio

• Hamvention Ho!

• Weekends Are For Amateur Radio!

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Zero Retries 0248 - 2026-04-24

May 2026

June 2026

July 2026

August 2026

September 2026

October 2026

November 2026

December 2026

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