Hams can extend the d star network to their qth using a gmsk modem and an analog fm transceiver dstar hotspots are inexpensive and easy to set up if you already have a d star radio, just get a gmsk node adapter and follow these simple steps. Dstar network through pc developed by internet labs robin cutshaw, aa4rc connects to pc, raspberry pi by usb 10mw rf power for 100m range dstar radio uses standard commands for linking software on pc, pi dvaptool or dvapnode internet access on pc, pi to network. C4fm, dstar, dmrplus, dpmr, p25 nxdn later via software updatevoice over lte and of course, fm. I certainly would enjoy helping for events more often. Ic2820 crossband repeater no modification to the radio is necessary to use the cross band repeater capability. Dec 11, 2014 introduction to icoms touch screen id5100 dual band dstar mobile radio duration. Aug 26, 2016 i have a 50w d star simplex hotspot that covers several miles using a openspot with an dual band fm radio in cross band repeater mode connected to an outside antenna on top of a 50 foot tower. This includes basic inband as well as crossband operation between any of the. Ic7100, ic80, ic9100, ic92, id31, id51, id880h and the ic5100 if you dont use the memory card method.
No modification to the radio is necessary to use the cross band repeater capability. High power dstar hotspot using openspot sharkrf community. Digital voice dv mode short data message dv mode gps tracking dv mode call sign identification and short data messages are available. My next projects are to merge together analog with digital making some sort of crossband repeater and when returning from the much looked forward vacation will be bringing back online my echolink simplex node for dstar operations for all who enjoy communicating with the world but ham radio still remains to allow my enjoyment of communications. Not all icom dstar radios support the import function within the software. That is correct, you are able to use a icom 2820h as a cross band repeater and talk over the dstar network. I had an idea pop thru my head which idk if its even possible to do or not. The dstar repeater dedication this document is dedicated to the memory of jim thisdale n1jmm who was an early adopter of my software and was extremely helpful to people trying to get going on dstar with it. You also will need to be able to unlink and maybe use the echo test or check the dvap status. When it gets a valid packet, it decodes the header and passes the audio data to the output ports.
Vhfuhf crossband repeater with analog interoperability. My homebrew 20m delta loop my mainantenna for general use on 20m is my homebrew delta loop. This will not key a dstar repeater but having a signal on the input may prevent other users from working the repeater. Set one frequency to hotspots and other to frequency which matches your ht. D star is not hard to program, however, there is a new concept that you have to understand first and that is routing. I have a duplexer tuned to the uhf frequencies i plan on using and a uhfvhf diplexer for the cross band configuration. On my mobile, in this case the same radio i use for dstar cross band icom 5100 i use the same simplex frequency and fm mode i use for my connection to my handheld on uhf. First off, thank you scott n7jqq for your research and suggestion to use the icom 2820h as a dstar compatible cross band repeater. I will be in an area where i will be just out of range on the dstar repeaters and was wondering if i could setup my tmv71 in my car to xband repeat and hit the dstar repeaters with my id31a. The antenna will be a diamond x30a dual band base repeater antenna. One side of the dualband radio is on vhf and the other side is. You would need to make sure the radio can do the narrow band frequencies 12. I was introduced to this antenna by m0dol who i saw using one at the kdars site over a year ago. My kenwood d710 in narrow fm mode works with dstar.
Icom id4100a vhf uhf dual band digital transceivers id. Heres another diagram derived from intro to d star that shows the digital format of d star s 4800 bits per second bps signal, to which i added an example of my radio id data. Icom d star program any reflector without software youtube. Digital voice plus digital data combine with dstar repeater equipment. The ice80d and ide880 have the d star repeater dr mode operation and d star repeater list allowing you to use d star repeaters easier. Using and linking of d star repeaters is different to what is preformed on conventional fm, irlp or internet echolink repeater operations. When the digital voice signal is being transmitted, the 72bit audio frames and 24bit data frames alternate until the audio transmission is complete, after which a. Digital dstar technology opens up a vast new field for amateur radio. It is link radio ready for crossband applications and interoperability and gmrs ready to add a tuned internal duplexer. And, of course, youll want your radios frequency to match that of the dvap. Its very local right now, but owner james, ve1jcs, is working on a new antenna. Dstar high power hotspot using openspot dstar round table.
Hb9rf 70cm dstar relais ist am weltweiten netz heute samstag 06. Dstar is not hard to program, however, there is a new concept that you have to understand first and that is routing. A cross band repeater also sometimes called a replexer, is a repeater that retransmits a specific mode on a frequency in one band to a specific mode on a frequency in a different band. This vhf digital voice repeater opens the way to use the dstar repeater system in the popular 2m band with the id800h, ic91ad and other dstar compatible radios. Dstar repeaters dstar infrastructure features icom. It operates in the 2 meter band, at 222 mhz and the 70cm band. Latest cross band repeater news k3rrr kilo three triple.
This repeater is located on gambrill mountain in the mess of antennas and towers you see on the ridge to the west of frederick. The d star repeater operates similar to existing analog repeater. The modem for dmr is a lot more complicated than the dvrptr for dstar but the package shown below seems to work well once all the coding, compiling and testing is done. It functioned very and i only used it in that mode a few times. It receives the signal from your dstar radio as a digital stream much like a repeater would and it transmits that.
But unfortunately i have only had partial luck so far. It is link radio ready for cross band applications and interoperability and gmrs ready to add a tuned internal duplexer. With a gps receiver, you can send your current position. This mode uses either a simplex or duplex radio and appears as a normal user to. Ilink, echolink, wires ii, voip, dstar new 440 mhz palomar mtn site with irlp san diego. There are a few catches but if you are set up like i am and own a 2820h and another d star compatible radio you can set up the ic2820h as a cross band repeater. In this video i show you how to program any ref, xrf and xlx reflector into the your call memory on an icom id4100 without using software. Digital d star technology opens up a vast new field for amateur radio. Pc control via usb or direct control via rc24 control head.
May 18, 2016 alinco djg7 ht cross band radio is not working with d star i use my 2 meter access point dongle with 12 dbm power lowest power settings. This vhf digital voice repeater opens the way to use the d star repeater system in the popular 2m band with the id800h, ic91ad and other d star compatible radios. After working on many events it seems like it would be nice to be able to step away from my vehicle and still monitor net control traffic. After seeing the results he was having i decided that i would give it a go and. The system was developed in the late 1990s by the japan amateur radio league and uses minimumshift keying in its packetbased standard. I might add additional modes like p25 and nxdn in the future. You can find him on reflector 001c, or xrf005b most times. I dont know if your d710 will let digital mode through the analog cross band. The internet gateway gw connects the dstar repeater. Alinco djg7 ht cross band radio is not working with dstar i use my 2 meter access point dongle with 12 dbm power lowest power settings. The other day i put it in cross band repeat mode but it would not output on vhf a side. N6fns ez guide to d star operation book d star entry on wikipedia search d star repeaters on world map list of recent node activity and more d star reflectors lots more d star information nj6ns d chat and d star reference page d star usage monitor icom d star forums papa d star system.
Idrp4000v 70cm the rp4000v, a uhf digital voice repeater, uses the dstar repeater system in 70cm bands. Icom id4100a vhfuhf dual band digital transceivers id. I want to be able to use it as either an in band uhf repeater or as a uhfvhf cross band repeater. Dstar digital smart technologies for amateur radio is a digital voice and data protocol specification for amateur radio. This is an option for using dstar if there isnt a local dstar repeater or if there is a repeater but its not associated with an internet gateway. This technique allows for a smaller and less complex repeater system.
Kenwood d700 does not work dstar cross band, because it is wide fm only. This repeater is coordinated with a narrow band pair 12. No modification to the radio is necessary to use the crossband repeater capability. Here you can see a station coming through via reflector 30c the gateway interface k0rvg and the repeater is passing it on through the rf interface k0rvb. Dstar digital smart technologies for amateur radio ist ein digitaler ubertragungsstandard. I will be in an area where i will be just out of range on the dstar repeaters and was wondering if i could setup my tmv71 in my car to x band repeat and hit the dstar repeaters with my id31a. Dstar repeaters dstar infrastructure features icom america. Crossband repeat mode yaesu 8900 cornish amateur radio. There are a few catches but if you are set up like i am and. So, the dvap memories sections allows just that, enter. On the vhf side just use the repeater frequency including offset, do not enter or use any. One side of the dual band radio is on vhf and the other side is on the same uhf frequency as is the openspot. The dstar side of the crossband repeater is connected to the external antenna of the home station and is set to a frequency of a dstar repeater.
Contact us or comment below if you have a need that is not mentioned here. I use my icom92ad on 70cm band d star mode and it is working just fine. There are other digital modes that have been adapted for use by amateurs, but dstar was the first that was designed specifically for. Introduction to icoms touch screen id5100 dual band dstar mobile radio duration. The dongle works along with the dvtool software, a simple application that mimics the controls on a dstar radio, although the interface doesnt actually look like a radio panel. Both sides of the cross band repeater radio has to be in fm mode for this to work. The ic9700 has the dstar repeater dr function that has been well received by dstar enthusiasts. This document is an introduction to dstar local repeater use, cross banding and internet link operations. The vhf side is my 50w d star hotspot frequency and through the cross band repeat function it is bridged to the openspot on uhf. Both sides of the crossband repeater radio has to be in fm mode for this to work.
The radios that will allow you to import if you have the software and lead are. Usb cable, software and rc24 control head all provided. With d star you can talk to your local repeater, another repeater, a reflector which can have 10 or hundreds of repeaters connected to it or even an individual person. The dv4mobile is another member of the successful family of dv4 products. If your local d star system has more than one band unit, you can cross band repeat by setting rpt2 to the repeater s callsign and band id of the other band you want to use. Dstar repeaters 1200mhz dv mode rf module 144mhz dv mode. Kenwood v71a dstar crossband repeat issue qrz forums. The gateway setting allows the software to be used as a remote access to the dstar network with appropriate gateway software ircddbgateway for example to a standalone dstar repeater. Tyt th9800 plus version quad band 10m6m2m70cm crossband 50w mobile transceiver vehicle radio amateur base station, cable software incl 4.
Icom id5100a digital crossband repeater capability youtube. I have been told that v71a and d710a are basically the same radios with different head units so i saved some money and went with v71a as i didnt need the aprs or tnc functionality of d710. If local noise were to key your radio 2820 an fm transmission would be made on the repeater input. More than these are dv mode rf modules for the respective bands. With dstar you can talk to your local repeater, another repeater, a reflector which can have 10 or hundreds of repeaters connected to it or even an individual person. To cross band from vhf to uhf set the uhf repeater frequencys on the right band.
Icom id4100a vhfuhf dual band digital transceivers id4100a. Latest cross band repeater news k3rrr kilo three triple r. It is a multimode digital voice mode repeater that currently supports dmr, fusion and d star. My suggestion is if your mobile cross band radio is not repeating the d star signal. Also in theory you could use any radio that can do crossband repeat to work as a dstar repeater. The dr function can be used on both the main and sub bands simultaneously to listen to two separate dv signals. From the handytalkie i transmit on a uhf frequency to the tmv71a and it would output on a vhf frequency. The ic9700 has the d star repeater dr function that has been well received by d star enthusiasts. Airbanduhf cross band repeater with analog interoperability. The dstar repeater operates similar to existing analog repeater. Apr 14, 20 my next projects are to merge together analog with digital making some sort of cross band repeater and when returning from the much looked forward vacation will be bringing back online my echolink simplex node for d star operations for all who enjoy communicating with the world but ham radio still remains to allow my enjoyment of communications. The dstar repeater controller listens for packets from the gmsk board.
Uhf side of the cross band repeater radio is on low power. Icom id5100ad vhfuhf digital transceivers id5100a deluxe. Put that rig in analog cross band repeater mode and you can dstar over it. I used this a couple of times to extend my hotspot range via my outside antenna on the roof for me and my friends. Moreover, by using the dd mode, you can browse the internet through a repeater station. Nov 27, 2014 the d star repeater controller listens for packets from the gmsk board. That is a simple relay of transmit and receive communication within or across the 2m, 70cm or 23cm bands. With a combination of these rf modules, cross band operation with 144430 4401200mhz bands is available. Memory downloads for a dvap with a dvap, you have to have your radio programmed to issue the link commands. So far, so good, but the real magic of dstar is in gateways. The vhf side is my 50w dstar hotspot frequency and through the crossband repeat function it is bridged to the openspot on uhf. I bought a tmv71a i guess over a year ago so that i would have a way to operate from a handytalkie to reach repeaters when i am outside in the yard working or what ever. Select remote or repeater vhf frequency on the left side in vfo or a memory channel select your local uhf frequency on the right side in vfo or memory channel. Our crossband uhf vhf repeater system is very customizable with memory that permits updates.
Uhf side of the crossband repeater radio is on low power. Hams can extend the dstar network to their qth using a gmsk modem and an analog fm transceiver dstar hotspots are inexpensive and easy to set up if you already have a dstar radio, just get a gmsk node adapter and follow these simple steps. Pc programmable with cs5100 free download software hf, 50144430440mhz multiband. It takes a zum modem board, an arduino due micro, and a raspberry pi2 computer for the host software by g4klx of dstar fame. Yes that is correct, you are able to use a icom 2820h as a cross band repeater and talk over the dstar network. It is a multimode digital voice mode repeater that currently supports dmr, fusion and dstar. Icom id5100 adeluxe vhfuhf digital transceivers feature an intuitive touch screen interface that provides quick and smooth operation for settings and editing various functions and memories. Dstar hotspot setup information for amateur radio digital voice using gmsk node adapters. The other day i put it in cross band repeat mode but.
When dstar repeaters are connected with the internet gateway, the dstar system relays the received data over the internet. This is a native function of this transceiver even though it is not covered in the user manual. When d star repeaters are connected with the internet gateway, the d star system relays the received data over the internet. Dstar high power hotspot using openspot dstar round. In theory you could change them to have 440 on nonmain and 2m on main. I have a 50w dstar simplex hotspot that covers several miles using a openspot with an dualband fm radio in crossband repeater mode connected to an outside antenna on top of a 50 foot tower. Shared with permission of ke3c 3 the way it works is very similar to a repeater, except it does not repeat.
Internet gateway software these are dv digital voice mode rf modules for the respective bands. It also provides cross band operation with 1444401200mhz bands. A second small indoor antenna, or even a dummy load, is used for communication to the handheld radio. D star hotspot setup information for amateur radio digital voice using gmsk node adapters. If your local dstar system has more than one band unit, you can crossband repeat by setting rpt2 to the repeaters callsign and band id of the other band you want to use.
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