Zero Retries 0236
2026-01-30
Zero Retries is an independent newsletter promoting technological innovation in and adjacent to Amateur Radio, and Amateur Radio as (literally) a license to experiment with and learn about...
zeroretries.radio/zero-retries-0236/
Still transitioning to Ghost...
Big stories:
* 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?
* Kenwood TM-D750A / TM-D750E Mobile Radio Imminent
02.02.2026 22:17 — 👍 0 🔁 0 💬 0 📌 0
Yes, there are, and that's unfortunate. I hope that there will be some work done... perhaps that "we" originate, to get those references removed. And bandwidth limits on 6m, 2m, 1.25m, and 70cm removed also. There's reason to be optimistic about this.
24.01.2026 18:50 — 👍 0 🔁 0 💬 0 📌 0
Zero Retries 0227
2025-11-07 — A Remarkable Amateur Radio Presentation - LinHT at OpenAlt 2025 by Vlastimil Slinták OK5VAS, Retreating from Repurposing Existing Repeaters, Stixs Radio, Vibraphone, FreakWAN
* A Remarkable Amateur Radio Presentation - LinHT at OpenAlt 2025
* Brief Update on KK7NQN Transcriber Service Node
* Stixs Radio
* Librephone Project
* FreakWAN
* Matchbox APRS
* W1BTR Radio Programming Services
ZR is an independent Amateur Radio newsletter.
#hamradio
10.11.2025 00:15 — 👍 1 🔁 0 💬 0 📌 0
Zero Retries 0226
2025-10-31 — LinHT Article (by the developers), MESHCON 2025 is a Wakeup Call, Test Bench in a Hand, N8GNJ Standby Battery System, direwolf 1.8, New AllScan USB Radio Interfaces, MMDVM Update
* LinHT: An Open-source SDR Handheld Radio
* MESHCON 2025 Wakeup Call to AR
* Test Bench In A (Handheld) Box
* direwolf Rel 1.8
* IP400
* 44Net VPN Update
* New AllScan Units
* The Comm 11/12 2025 Issue
* FutureGEO
* SDR-Hub
* MMDVM 2025-10 Update
* Hackaday Superconference Comm Badge
#hamradio
03.11.2025 04:43 — 👍 1 🔁 0 💬 0 📌 0
Zero Retries 0225
2025-10-25 — What’s New at DLARC - 2025-10, The (Amateur Radio) World Has Changed For Me, Followup on How to Get (Re) Started in Data Comm, FreeDV’s Baseband FM (BBFM) Technology, DIgiPi 2.0
* The AR World Has Changed For Me
* Followup on How to Get (Re) Started in AR Data Comm
* Vero Telecom VR-N76 - Flat Audio!
* FreeDV’s Baseband FM
* OpenMesh Voice Network
* Why Mesh Networks Break
* Packet Radio Interface from KM9G!
* DigiPi 2.0
* Raspberry Pi Compute Module 0
#hamradio
03.11.2025 04:35 — 👍 1 🔁 0 💬 0 📌 0
Zero Retries 0224
2025-10-17 — Pacificon 2025 Zero Retries Debrief
* AR is Missing the SDR “Forest” by Focusing on the Legacy “Trees”
* My slide deck from my Pacificon 2025 presentation
* Pacificon 2025 ZR Interesting exhibitors, etc.
ZR is an independent Amateur Radio newsletter, now in its 5th year with 3200+ email subscribers.
#hamradio
03.11.2025 04:28 — 👍 0 🔁 0 💬 0 📌 0
Hello followers - apologies that I'm four issues behind posting here on Bluesky. Things are back to "normal" here at Zero Retries Galactic Headquarters (well, what passes for normal, anyway) so regular notifications should resume this week.
03.11.2025 04:25 — 👍 0 🔁 0 💬 0 📌 0
Zero Retries 0223
2025-10-10 — Why Manufacturers May Be Reluctant About VHF / UHF / Microwave SDR “Real Radios”, VARA FM Via FM (Analog) Repeater, Help Track Our Light Sail!, Jesse Alexander WB2IFS GRCon 2025 Keynote
* Why Manufacturers May Be Reluctant About VHF / UHF / Microwave SDR “Real Radios”
* VARA FM Via FM Repeater
* FCC FACT SHEET In re: Delete, Delete, Delete
* Help Track Our Light Sail!
* Jesse WB2IFS Keynote at GRCon 25
* OpenRTX 0.4.2
* open.space
* Hush - An Open Source Alt to VARA-HF
#hamradio
03.11.2025 04:12 — 👍 0 🔁 0 💬 0 📌 0
Zero Retries 0222
2025-10-03 — VHF-UHF Packet Path Predictions, Why Should You Consider Joining the TPRFN Network, How To Get (Re) Started In Amateur Radio Data Comm, The Wow@Home Radio Telescope, STARS-Me2 CubeSat
* VHF-UHF Packet Path Predictions
* Why Should You Consider Joining TPRFN
* How To Get (Re) Started In Amateur Radio Data Comms
* Wow@Home
* STARS-Me2 CubeSat
* ARDC YouTube Channel
* DARPA Packet Radio Network Protocols
* GRF5604 RF amp boards
* Review: futureGEO Workshop 2025
#hamradio
04.10.2025 04:45 — 👍 0 🔁 0 💬 0 📌 0
Zero Retries 0221
2025-09-26 — What’s New at DLARC — September 2025, Voice over Packet (VoP), The Software Based Future of Amateur Radio, Polar Modulation, Raspberry Pi 500+, Bridgecom Systems BCR-220 Repeaters
* What’s New at DLARC - 2025-09
* Voice over Packet (VoP)
* The SW Based Future of AR
* Polar Modulation
* LinHT – First GRF5604 RF Amp Tests
* RPi 500+
* BCR-220 Repeaters On Sale for $600
ZR is an independent Amateur Radio newsletter, now in its 5th year with 3200+ email subscribers.
#hamradio
27.09.2025 06:22 — 👍 0 🔁 0 💬 0 📌 0
Zero Retries 0220
2025-09-19 — Zero Retries Digital Conference 2025 Wrap Up, Zero Retries Digital Conference 2025 Debrief - Part 1
* Zero Retries Digital Conference 2025 Wrap Up
* Zero Retries Digital Conference 2025 Debrief - Part 1
Zero Retries is an independent Amateur Radio newsletter, now in its fifth year with 3200+ email subscribers. Radios are computers - with antennas!
#hamradio
(Apologies for this late posting.)
27.09.2025 06:13 — 👍 0 🔁 0 💬 0 📌 0
Zero Retries 0219
2025-09-12 — Observations from GNU Radio Conference 2025 - Tersely
Special issue...
* Observations from GNU Radio Conference 2025 - Tersely
Zero Retries is an independent Amateur Radio newsletter, now in its fifth year with 3200+ email subscribers. Radios are computers - with antennas!
#hamradio
(Apologies for this late posting - it's been a busy few weeks.)
27.09.2025 06:09 — 👍 0 🔁 0 💬 0 📌 0
Zero Retries 0218
2025-09-05 — ZRDC Update, M17 Conference, AR Activities At GRCon 2025, Zero Retries Interesting AllScan.info Products, NASA Seeks Volunteers to Track Artemis II Mission
* AR At GRCon
* AllScan.info Products
* AllStar Revisited Series
* HF Station on Frying Pan Tower in Atlantic
* ebook - Signal Processing Recipes for Comm Systems
* ARRL Lab Helps RAs Avoid Interfering With US Space Force Radar
* RADE compared to SSB
* AREDN® Network Beginner’s Guide
#hamradio
06.09.2025 19:57 — 👍 0 🔁 0 💬 0 📌 0
Zero Retries 0217
2025-08-29 — ZRDC 2025 Update, KK7NQN Transcriber Service Node, Build It And They Will Come Doesn’t Work, Icom ID-5200, DB0UV - Unique VHF / UHF Xponder, LiNK500, Beamforming, RadioSport SDR App
* KK7NQN Transcriber Service Node
* Build It And They Will Come Doesn’t Work
* Tech-Focused Hams
* Meshcore In Surrey, BC
* Low Drive VHF / UHF Amps
* Icom ID-5200
* ka9q-radio and Rig Expert Fobos
* DB0UV - Unique V/UHF Xpndr
* LiNK500
* Real-Time Beamforming With SDR
* T41-EP SDT Modular HF SDR
30.08.2025 17:39 — 👍 1 🔁 0 💬 0 📌 0
Zero Retries 0216
2025-08-22 — ZRDC 2025 Update, LinHT Progresses, ARRL Tech Awards, patty AX.25 stack, IPv6 /48 Subnets, JNOS 2.0q, KV4P V2, AREDN Plans for 2025, MMDVM Update, Ham DEFCON, AllStarLink Donations
* ZRDC 2025 Update
* First LinHT Tests
* LinHT – Open SDR HT
* Demo LinHT M17 Decode
* ARRL Tech Awards
* PACKRAT
* patty AX.25 stack
* IPv6 /48 Subnets for Hams
* JNOS 2.0q
* KV4P V2
* AREDN Dev Plans
* MMDVM Update
* AR Needs a DEF CON?
* AMSAT-SM wants a FD HT
* AllStarLink Appeal For Donations
23.08.2025 04:02 — 👍 0 🔁 0 💬 0 📌 0
Zero Retries 0215
2025-08-15 — ZRDC 2025 Update, What’s New at DLARC - August 2025, LinHT - Tech Innovation In AR, A Modest Proposal, Amateur Radio Future Systems Skunkworks, Mesh Networking, AMSAT-CA, AREDN at DEFCON
* ZRDC Update
* What’s New at DLARC
* LinHT - Technological Innovation In Amateur Radio
* A Modest Proposal
* The AR Future Systems Skunkworks
* Mesh Networking
* AMSAT-CA Quietly Comes to Life
* AREDN at DEFCON 2025
* N2IRZ “Returns” to “Print”
* CS7000 M17 New Features
#hamradio
16.08.2025 19:58 — 👍 0 🔁 0 💬 0 📌 0
The Zero Retries email subscriber count just bumped up to 3100 (was 3000 less than a week ago). Apparently someone said something nice about Zero Retries, or perhaps it's just more "late listeners" to Ham Radio Workbench Episode 242 - www.hamradioworkbench.com/podcast/hrwb... Wow!😜
12.08.2025 00:30 — 👍 1 🔁 0 💬 0 📌 0
Zero Retries 0214
2025-08-08 — Three New Pseudostaffers, ZRDC 2025 Update, Meshtastic at Open Sauce 2025, 802.11ah Device Support in AREDN, 1.5 New NinoTNC Derivatives, Hams Over IP Invitation to Hamshack Hotline Users
* 3 New Pseudostaffers
* ZRDC 2025 Update
* Additional Details on 802.11ah in AREDN
* 1.5 New NinoTNC Derivatives
* ARDC Grants List Updated
* Starlink Beam Switching Upgrade
* Decoding Meshtastic with GNURadio on RPi
* Hamshack Hotline Users Invited into Hams Over IP
* vARIM Messaging Program
09.08.2025 17:13 — 👍 2 🔁 0 💬 0 📌 0
Zero Retries 0213
2025-08-01 — 3000+ ZR Email Subs, ZR FCC Comments Guide, ZRDC 2025 Update, Notes From The M17verse, 12M SatNOGS Observations, Build a Personal Digi, AREDN Adds 802.11ah Devices, HamTV Active on ISS
* 3000+ Subs!
* HRWB Episode 242
* ZR Guide Submitting FCC Comments
* ZRDC 2025 Update 08/01/2025
* Notes From The M17verse
* 12M Obs by SatNOGS
* Build a Modern Digi
* SF-HAB at OS 2025
* AREDN Support for 802.11ah
* HamTV On ISS
* GPS on the Fritz? Maybe eLORAN?
#hamradio #M17project
02.08.2025 03:49 — 👍 2 🔁 0 💬 0 📌 0
Just updated the profile to say that Zero Retries now has 2900+ email subscribers! Thanks very much Ham Radio Workbench Podcast for sending fellow fans of Advanced Amateur Radio to check out Zero Retries!
31.07.2025 22:20 — 👍 1 🔁 0 💬 0 📌 0
HRWB 242 - Zero Retries Newsletter with Steve N8GNJ and Tina KD7WSF
iTunes Google Play Music Stitcher Android Direct RSS
Tina KD7WSF and I were interviewed on the Ham Radio Workbench podcast, now available:
HRWB 242 - Zero Retries Newsletter with Steve N8GNJ and Tina KD7WSF
31.07.2025 22:16 — 👍 0 🔁 0 💬 0 📌 0
Zero Retries 0212A
2025-07-26 — ZRDC 2025 Update, We Showed Up on FCC SB Docket 25-201, M17 Community Moves Past Mainstream MMDVM Support, Open Communications Organization (AM CELL), RRI and ARRL Sign MOU re: NTS
* We Showed Up for Comments on FCC SB Docket 25-201
* M17 Moves Past Mainstream MMDVM Support
* WPSD M17 Comm Fork
* N7TAE mspot
* LinHT (Formerly, OpenHT) and CC1200 M17 Hotspot
* Open Commu Org (AM CELL)
* RRI, ARRL Sign MOU
ZR is an indy Amateur Radio newsletter.
#hamradio #M17project #fcc
26.07.2025 22:05 — 👍 3 🔁 0 💬 0 📌 0
NO! Did not see this! Good stuff!
20.07.2025 16:06 — 👍 0 🔁 0 💬 1 📌 0
Zero Retries 0211
2025-07-18 — MMDVM Versus M17, Comments to FCC re: AST SpaceMobile Claiming 430-440 MHz For Its Use Are Due Monday 2025-07-21
* MMDVM Versus M17
* Comments to FCC re: AST SpaceMobile Claiming 430-440 MHz For Its Use Are Due Monday 2025-07-21
Zero Retries is an independent Amateur Radio newsletter, now in its fifth year with 2800+ email subscribers. Radios are computers - with antennas!
#hamradio #M17project #mmdvm
19.07.2025 18:12 — 👍 1 🔁 0 💬 0 📌 0
Zero Retries 0210
2025-07-11 — Zero Retries Enters Its Fifth Year, What’s New at DLARC — Packet Radio History, Ten More Days for Comments re: AST SpaceMobile, Year Five of the Zero Retries Experiment In Progress
* ZR Enters Its 5th Year
* What’s New at DLARC — Packet Radio History
* Comment Period Open for Ten More Days re: AST SpaceMobile
* Year 5 of the ZR Experiment In Progress
* Hamshack Hotline Sunsets
* Bitchat Messaging App Works
* VarAC V12
ZR is an independent Amateur Radio newsletter.
#hamradio
12.07.2025 15:39 — 👍 0 🔁 0 💬 0 📌 0
Zero Retries 0209
2025-07-04 — VARA FM - 12.5 kHz Bandwidth Versus 25 kHz Bandwidth, Jim Boddie NG2J - Silent Keyboard, ADRCS (IP400) Press Release, Radio Module 2 and DreamHAT+ - Unusual Radio Modules, HydraSDR RFOne
* VARA FM - 12.5 kHz vs 25 kHz
* Jim Boddie NG2J SK
* ADRCS Press Release re: IP400
* SARC Comm, 7/8 2025
* Radio Module 2 and DreamHAT+
* HydraSDR RFOne
* OpenWrt ampr-ripd package
* Seeed Studios reRouter
Zero Retries is an independent Amateur Radio newsletter.
#hamradio #HydraSDR #sdr
05.07.2025 21:03 — 👍 4 🔁 1 💬 0 📌 0
Zero Retries 0208
2025-06-27 — ZRDC 2025 Registration Now Open, AST SpaceMobile Lays Claim to 430-440 MHz and 902-928 MHz for Commercial Satellite Comms, Details About Data Over DMR, State of the APRS Foundation
* ZRDC 2025 Registration Now Open
* AST SpaceMobile Lays Claim to 430-440 MHz and 902-928 MHz for Commercial Sat Comms
* Details About Data Over DMR
* 2025 June - State of the APRS Foundation (YouTube)
* Update on AR Power Amps
* QRadioLink - Multimode SDT App
* HackRF Pro Announced
#hamradio
27.06.2025 23:55 — 👍 1 🔁 1 💬 0 📌 0
Zero Retries 0207
2025-06-20 — The TPRFN Network: Could be a Lifeline in Times of Emergency, Oh, The Signals You’ll Make, Amateur Radio’s Lack of Imagination About Repeater Technology, Retevis Ailunce H1 DMR Radio
* The TPRFN Network
* Oh, The Signals You’ll Make
* AR’s Lack of Imagination re Rptr Tech
* Retevis Ailunce H1 DMR Radio
* APRS101.pdf is Obsolete
* Weather Radiosondes
* Rig Supt for 9600 BAUD Packet
* Universal Radio Hacker
* QRP Labs Polar Modulation
ZR is an independent Ham Radio NL.
#hamradio
21.06.2025 01:45 — 👍 1 🔁 1 💬 0 📌 0
Zero Retries 0206
2025-06-13 — What’s New at DLARC - June 2025, M17 - N8GNJ’s Perspective as of June 2025, Followup On Single Frequency Repeaters, New Packet Commander IOS App, Jeff Geerling in QST, IP400 News
* What’s New at DLARC
* M17 - N8GNJ’s Perspective
* Followup On SFRs
* IP400 Press Release
* APRSF Zoom Call
* Reasonable UPS with USB and 12V
* Packet Commander app
* Skyroof Sat Track / SDR software
* Improving the CS7000 M17 PLUS
Zero Retries is an independent Amateur Radio newsletter.
#hamradio
14.06.2025 03:01 — 👍 0 🔁 0 💬 0 📌 0
MeshCore Community Forum - Join at https://meshcore.forum
A Podcast around #Meshtastic and related mesh technologies.
Tom is a conservationist, sailor, lover of Linux, user of WordPress, and a licensed amateur radio operator.
Ham Radio & Amateur Satellite Operator
I am learning every day and I am very much interested in HF and Space Communication as well as RaspberryPI, Arduino and Meshtastic Projects.
Aviation-private pilot, Amateur (Ham) Radio - EM89, Technology, Weather Spotter, and Science enthusiast. Personal/Hobby account.
Amateur Radio Operator- www.k8zt.com.
QRP Operations.
Member of RATPAC Planning Committee.
Long Island CW Club- Weekly Joy of Operating (Tues 7 PM Zoom B)
Cuyahoga Falls ARC - www.cfarc.org
US-based Ham radio operator amateur extra class, mostly HF ops. K6RAX
WatchedSky: 🌩️👀 uUF8VHdkie6y
SARC is the 120+ member Amateur Radio group located in Surrey, BC Canada. We are probably the most active group in the region with classes, workshops and an active meeting schedule. https://ve7sar.net
Radio Amateur Training Planning and Activities Committee. Live Amateur Radio Presentations Weekly via Zoom and Recorded Videos on YouTube- www.ratpac.us
Amateur (ham) radio operator and scanner enthusiast. Find me on the W7HEN repeater in Las Vegas. All views are my own.
Space Nut, Amateur Extra Amateur Radio Operator, Technical Specialist North Florida Section ARRL, VE(Volunteer Examiner) ARRL
Host of the QSO Radio Show all about Ham Radio (Amateur Radio) and Manager of WRMI Legends
Yes. THAT Ria Jairam. Kid, lid and space cadet. Catch me on WRMI Legends every Sunday at 10PM CST/11PM EST. 5050kHz on your shortwave dial or live at WRMILegends.com. YouTube.com/@n2rj
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