Forward Digital Sign Radio with airSlate SignNow

Forward digital sign radio

buddy welcome to the amateur radio experimenters group um we have a very fine audience here in the hall tonight we also have quite a number of members on the zoom as well so welcome everybody welcome to all our visitors i see a few in the room tonight so uh glad to have you come along to learn about tonight's subject tonight we're going to be talking to you about dmr for amateur radio something most of us here in a regular to be frank still learning about um because we've only had our dmr repeater alive here in adelaide for about a month so lots of people are still learning how to program code plugs and learning all the terminology in the lingo and how it works so hopefully for those experienced dmr operators out there who are watching this forgive us if we make any silly mistakes but i think we know what we're doing fingers crossed um so without further ado we've got three speakers tonight we're going to first of all have mark 5 qi introduce just what the dmr network does um we'll have ben 5bb go through some of the basics of um setting up uh programming things um and then we've got peter vk5 dmr or previously known as vk4 let me see if i get this right mbl wasn't it um who's also here he'll be talking to us live about hotspot technology and it's the ways of accessing the repeaters um when you're not in radio range so mark without further ado we'll hand you over and let you get underway thank you very much good evening everyone this is mark vk 5qi grant could i get you to jump two slides ahead please all right so in this section of the talk i'm going to give a bit of an overview of where dmr kind of came from uh why it exists discuss some terminology we do need to start this talk with a bit of a terminal terminology breakdown and because there's a lot of terms we're going to be using later on um which if you don't know what they mean it can become quite confusing unfortunately i'll give a bit of an overview on how dmr works at a lower level the nitty-gritty of it and finally conclude this section with a couple of examples of um how traffic or voice traffic is routed around a dmr network our next slide thanks grant so dmr was aided was developed by the european telecommunications standards institute in 2005. etsy they're also known for such things as a gsm uh tetra which is another a another commercial uh communication standard and they're also a member of the 3gpp which developed 3g 4g and 5g the whole point of dmr and other similar systems was mainly to reduce spectral occupancy so as commercial radio became more and more used um you know the oldie 25 kilohertz systems really didn't...