Topeka – 444.9875 – K0USY

The Topeka 444.9875 repeater is digital only using an MMDVM with DMR mode enabled.

Specifications: 

  • Antenna: Comscope DB-420
  • Feedline: AL7-50A
  • Duplexer: Sinclair Q3220E
  • Output: 75watts
  • RF deck: Motorola MTR2000
  • Height (AGL): 500 feet
  • Location: 4 mi. north of Auburn

DMR Setup:

  • Your radio will have to be programmed with your unique DMR ID (obtained from the RadioID.net website)
  • Each channel will have to be configured with:
    1. RX Freq: 444.9875
    2. TX Freq: 449.9875
    3. Color Code: 1
    4. The time slot and group contact ID of the group you want to use from the list below:

KS-DMR Repeater TGID table

Table showing the available group contact ID's on this repeater.
GroupTGIDTimeslot
System Local21
Repeater Local81
Voice for Linked Group91
Kansas Statewide31202
Subscriber to Subscriber calls (brief)(Private radio ID)1

To access any of the available linked groups:

  • Select the channel programmed with TS1:TG9.
  • Go into your contact list, select the talkgroup (from the list below) you wish to link to and key PTT for two seconds with the desired linked group selected. When you unkey the link will be activated.
  • When your radio display reverts back to S1:G9 you may begin talking.
    • Note: The linked group ID’s are to be used for in-band signalling to trigger link activation, not to talk on. All voice traffic for linked groups happens on TS1:TG9.
  • Please don’t do this to “lurk” on a group.
  • Linked groups remain active for 30 minutes after the last local transmission, and only one linked group is available at a time.
  • Please do not transmit voice on any TGID not listed above.

Here is a video that demonstrates contact-based linking.

KS-DMR Linkable Groups

GroupTrigger ID
MARC Worldwide1
MARC North America3
MARC Worldwide (English)13
BM Worldwide91
BM Arkansas3105
BM Colorado3108
BM Missouri3129
BM Nebraska3131
BM Oklahoma3140
BM BYRG31201
BM CKRG31204
BM AMSAT98006