John's Meanderings

Category: Amateur Radio

Discussion of my long time hobby, Amateur or Ham Radio.

DCC 2015: Voice and Data Network Interconnection

Yaesu Fusion Repeater on D-STAR

The latest setup information is at I am working on a project over at NW Digital Radio called the Universal Digital Radio Controller or UDRC. The initial purpose of the UDRC is to allow one to…

Digital Voice Standards

Presented at MicroHAMS Conference 2015  

Interview at Pacificon 2014

Talking about NW Digital Radio Products with AmateurLogic.Tv Starting at 48:50

Introduced new DV3000 for Raspberry Pi at Dayton Hamvention

My friends and I at NW Digital Radio have been working on an AMBE card to plug into the UDRX-440 Universal Digital Radio. In the process of reviewing the design we determined there…

Icom G2 Gateway + ircDDB plugin or ircDDBGateway

Adding the ircDDB plug-in to Icom G2 will not remove any functionality.

Gateways for D-STAR

A short and incomplete history The first gateway system and network was Icom V1 (Version 1) Only supports routed networking, e.g. directed traffic to individual station or repeater. Requires registration of gateways and…

Raspberry Pi as a D-STAR Controller

I received a Raspberry Pi and was able to install my ARM version of ircDDBGateway and GMSKRepeater and now the $35 computer is running a D-STAR gateway! More on this later… but here’s…

Hamvention® 2012 and Introduction of UDR56K

I attended Hamvention® in Dayton, OH again this year. This brings my visit total to around a dozen times, always travelling from the western half of the US. Hamvention® is a gathering of…

D-STAR Callsign Addressing and Linking Overview

D-STAR, the protocol, has no notion of linking, reflectors, etc. It was designed to be “stateless”, meaning every transmission is complete in itself and has no inherent relationship to any other transmission.

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