Coffee, Coax & Computers
Where Coffee, RF, and Tech Collide
“Technology should be useful, not frustrating.”
Hi, I’m Jeremiah Mulford, W9JAM.
I help people understand radios, computers, networking, and technology without the scripted nonsense or the “I’m smarter than you” attitude that shows up way too often in the tech world.
Whether you’re troubleshooting a computer, programming a DMR radio, setting up a hotspot, working with APRS, or wondering why Windows suddenly stopped recognizing a device it was perfectly happy with yesterday, you’re in the right place.
I’m always happy to talk Amateur Radio, DMR, POTA, HF, hotspots, computers, networking, or whatever technical rabbit hole we’ve collectively fallen into this week. One of the best parts of this hobby is the people, the conversations, and learning from each other.
START HERE
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| 💻 Computers & Linux Windows troubleshooting, Linux, networking, PC hardware, software, and practical tech help. Explore Computer Guides → | 📥 Downloads & Tools CPS software, firmware, utilities, reference documents, drivers, and other useful resources. Browse Downloads & Tools → |
Thank You
W9JAM exists because of the people, conversations, and shared learning that make Amateur Radio and technology communities worth being part of. I’m grateful to everyone who has encouraged me, learned with me, and reminded me that practical help still matters.
About W9JAM
I’ve been involved in Amateur Radio since 2009 and working with DMR since 2016. W9JAM grew out of years of helping people troubleshoot radios, computers, hotspots, codeplugs, networking, and all the strange problems technology finds new ways to create.
W9JAM AT-Service Tool v1.5 for Windows &
W9JAM AT-Service Tool v1.5L for LINUX

Download & Learn More
W9JAM AT-Service Tool is a Windows and Now LINUX utility for reading and managing supported AnyTone factory options, band modes, service information, dealer information, and programming-related data.
Version 1.5 adds an RDT Codeplug Converter that can detect supported AnyTone codeplugs, identify their current band mode, and save a converted copy for another supported mode while preserving the rest of the codeplug data.
The tool also includes automatic radio detection, known AnyTone USB/COM identification, raw profile backup and restore, built-in safety checks, changed-block writing, and automatic readback verification after supported changes.
This utility is not CPS software and is not intended to replace the AnyTone Customer Programming Software.
New UI, and new Features
AnyTone Codeplug Converter

New User Interface introduced in version 1.4

Supported Radios:
- AnyTone AT-D168UV
- AnyTone AT-D578UV / AT-D578UVII
- AnyTone AT-D878UV / AT-D878UVII
- AnyTone AT-D890UV
Radio detection and RDT codeplug conversion have been tested using real hardware and codeplugs across the supported 168, 578, 878, and 890 families.
Support for the AT-D590UV and AT-D570UV is planned once those radios are officially released and available for direct testing.
W9JAM AT-Service Tool may also work with privately labeled or dealer-rebranded radios based on supported AnyTone platforms where the underlying hardware, protocol, and codeplug format remain compatible.

