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KS-DMR

Quick Links

HBlink3 (Repeaters, off-network connections) Network Monitor:http://vesta.k0usy.org:8001
HBlink4 (Hotspots, Repeaters) Network Monitor: http://vesta.k0usy.org:8080
DMRlink3 (MotoTRBO/IPSC Repeaters) Network Monitor: http://vesta.k0usy.org:8002
MMDVM Repeaters (under development): http://vesta.k0usy.org:8003

General

KS-DMR is a Kansas regional digital ham radio multi-mode network, with a primary emphasis on DMR. Most KS-DMR repeaters run multiple digital modes, including DMR, P25, YSF, some may include D-Star and/or Analog FM as well. DMR network connections are open to all licensed amateurs, connections to other digital mode reflectors and linked TGIDs are limited to participating repeaters.

DMR Network

KS-DMR allows connections from repeaters and hotspots, though some TS/TGIDs are only allowed for repeater participants or vetted hotspots. Because hotspots can easily pick up widely networked talk groups directly from the source, KS-DMR only supplies hotspot connections (with rare exceptions) to TGIDs/traffic streams that we originate.

Connections

We offer MMDVM connections through both HBlink3 and HBlink4 and Motorola connections through DMRlink3 or IPSC2HBPc. HBlink3 and HBlink4 are built around different connection paradigms. Hotspots and repeaters only interested in KS-DMR sourced traffic are better suited to HBlink4 flexibility toward individual operators, whereas repeater operators interested in connectivity far beyond KS-DMR will want to connect via HBlink3, which provides a wealth of on-demand linked TGIDs. KS-DMR is heavily affiliated with DMR-MARC, and most of our wide-area connections are to them.

For connections to other networks, KS-DMR provides OpenBridge (MMDVM-based) and CC-CC (c-Bridge/Motorola) connections. We prefer direct links to other regional networks, not passing through a national transit network when possible.

For more information about our in-house developed software see repositories on GitHub https://github.com/n0mjs710. KS-DMR uses all of the software listed below:

  • HBlink4 – Endpoint oriented DMR network server. Per-repeater TGIDs, limited upstream abilities.
  • HBlink3 – DMR core routing transit server. Per-System TGID linking based on rules files.
  • DMRlink3 – Similar to HBlink3 for Motorola MOTOTRBO repeaters (IPSC).
  • ipsc2hbpc – Translator between MOTOTRBO IPSC and MMDVM HomeBrew Repeater Protocol
  • cc2obp – Translator between c-Bridge CC-CC protocol and MMDVM OpenBridge Protocol
  • mmdvm-dash – Multi-repeater MMDVM dashboard based on MMDVM-Host’s MQTT logging
  • DMR talkback – HBP-based utility that joins a server like a repeater and re-transmits incoming calls
  • USRP-RC – Drop-in replacement for FMGatway that provides “ACC Like” repeater controller abilities

Connecting

Public connections may be made with the following:

  • Host: vesta.k0usy.org
  • UDP port: 62071
  • Passphrase: “KS-DMR”

This is open to repeaters and hotspots, and only provides a connection to DMR TS 2, TGID 3120. Connections outside of the state are permitted when the target is a user in or near the Kansas border. Please note each device that connects *MUST* have a unique Radio ID.

KS-DMR member repeaters may chose to network any TS/TGID combination they like within our network, and can set those with the options configuration item in MMDVM, example syntax is: “TS1=1,2,3,91;TS2=10,99”

TS/TGID Table

  • TS2/TGID3120 – Kansas Statewide. This was our original TGID, and it was KS-DMR before networks like Brandmeister duplicated it and put forward their own control over it. We still use it. This is the TGID where the overwhelming majority of traffic is, and what we recommend using! This is also open to everyone who connects.
  • TS1/TGID2 – System local. This is all participating repeaters and duplex hotspots that have been approved for access.
  • TS1/TGID8 – NOT Networked, but expected to be used for repeater-local communications amongst KS-DMR member repeaters, and is listed here for users of the system. You can expect your traffic on 1/8 to remain on the local repeater.
  • TS1/TGID9 – KS-DMR participating repeaters, and only available through HBlink3. This is the destination for on-demand linked TGIDs from other networks.
  • TS1/TGID9999 – Talkback. Records and plays back a short message (10s) for testing user audio.

Linked TGIDs

KS-DMR connects one linked TGID at a time on TS1/TGID9. We use the linked TGID’s well-known talk group as in-band signaling to turn the TGID on, at which time voice traffic is on TGID9. For example, to turn on DMR-MARC North America, program your radio with a channel for TS1/TGID9, and a group contact in your contact list for TGID3. Tune to the TS1/TGID9 channel, then locate the TGID3 (DMR-MARC North America) entry in your contact list. Momentarily transmit on that TGID by keying your radio. Then return to the channel or let the contact list menu time out. North America is now cross connected to TS1/TGID9.

1 – Worldwide
3 – North America
13 – Worldwide English
100 – Motorola BatChat
310 – TAC310
3169 – Midwest (regional)
3175 – Southern Plains (regional)

YSF, DStar and P25

KS-DMR also operates YSF, DStar and P25 reflectors specifically for our repeaters only. They are not published in any online databases as they are not open to the general public. Those who connect repeaters full-time are welcome to connect to them as well.

Terms of Service

KS-DMR is not a public network, and there is no right to expect service. Contrary to what some have asserted, the fact that any individual is a licensed amateur radio operator does not grant them any legal right to access KS-DMR. If we detect abusive behavior, or operation inconsistent with the goals and purpose of KS-DMR, we may block the connection.

Who is KS-DMR

KS-DMR is as much an idea as a tangible asset. KS-DMR owners and operations team are:

  • Cort Buffington, N0MJS
  • Fred Gantz, K0YEQ
  • Justin Reed, NV8Q
  • Eric Sivertsen, KD0WWX
  • Jordan Henion, K0JWH
  • Shannon O’Connor, KD0CYQ

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