CM-108 USB SoundCard as an interface for SVXLink.
This CM108 Model has the capability of modification to permit the PTT to be operated via certain commands already available within the SVXLink software. The components required are a 10K…
Direwolf – Installation for APRS.
Direwolf: In the early days of Amateur Packet Radio, it was necessary to use an expensive “Terminal Node Controller” (TNC) with specialized hardware. Those days are gone. You can now…
DMR misunderstood?
I am seeing and reading about a lot of issues about how to listen to DMR as a mode, and how to use it, and what to do with it.…
A Simplified SVXBuilder
svxlink_raspberry Script build for Raspberry Pi – Repeater or Hotspot with connection to SVXPortal-UK. This package is for those who wish to construct an FM hotspot or Repeater with options…
SVXLink, SVXReflector and SVXPortal.
Protocol 2 of the SVXReflector is available in the latest edition of SVXLink from the Github. It is not backwards compatible with the Protocol 1, so those running an image…
SVXPortal and what it could mean for analogue repeaters.
This is the UK portal for SVXlink nodes and repeaters that currently subscribe to the network. It may appear confusing but I will attempt to describe what is taking place…
SVXLink – a Simple Interface.
When constructing a simplex node or a repeater, your hardware can be very simple. Naturally the most expensive items will be transceivers, and those should be capable of producing ‘flat’audio,…
GB3EV – Eden Valley Repeater.
I was asked by the sysop Seamus G7ITT to assist in setting up GB3EV with a new type of Raspberry Pi Hat, actually designed and made in France, using the…
Today on DMR…. GB7HT Repeater
GB7HT is an MMDVM UHF DMR Repeater, situated in Ashington, Northumberland – IO95FE, owned and operated by Chris G4NAB. Follow the dashboard here. The original hardware was the former F5ZLW…
Today on DMR…. The DMR principals
DMR – Digital Mobile Radio. As it stands the whole concept is a professional application of a dual slot time-division multiplex radio system, that has been adapted for use in…
Today on DMR…. Talkgroups eli5*.
*eli5 – Explain Like I’m 5 Fixed or Dynamic (user activated) Talk Groups versus Dynamic TalkGroupReWrites and reflectors. We are all familiar with the Baked Bean Can Telephone of our…
Today on DMR…. Tuning an MMDVM on DMR Transmit.
Normally the MMDVM is pretty foolproof regards D-Star and YSF, by DMR is a little more tricky. Equipment required: – The repeater (obviously) and an RTL/SDR Dongle running on a…