Humboldt, NE – 443.575 – K0HAM

The Humboldt, NE repeater on 443.575 is mixed-mode using a HamVoIP Allstar node for analog and an MMDVM with DMR mode enabled.


  • Antenna: DB-420, centerline at 340 feet
  • Coax: Andrews LDF5-50A
  • RF deck: Kenwood TKR-850 (v2)
  • PA: Motorola MSF5000
  • Output: 48 watts, post-duplexer
  • ARR Receiver preamp
  • MMDVM Hardware: STM32-DVM V2 (N3XCC)
  • Pi-Star software
  • HamVoIP Allstar
  • UPS: APC
  • Standby Generator: Generac

Note: Analog mode has priority over digital modes on this repeater.

FM Setup:

  • RX Freq: 443.575
  • TX Freq: 448.575
  • CTCSS/TSQ: 88.5
    • Using TSQ (CTCSS decode) on your radio will mute the digital modulation.

DMR Setup:

  • Your radio will have to be programmed with your unique DMR ID (obtained from the website)
  • Each channel will have to be configured with:
    1. RX Freq: 443.575
    2. TX Freq: 448.575
    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/NE Repeater TGID table

Table showing the available talk group ID's on repeaters connected to the KS-DMR/NE (Nebraska) system.
System Local
(KS-DMR "Chat")
Repeater Local18
Voice for Linked Group19
Nebraska TRBO13131
Kansas Statewide23120
Subscriber to Subscriber calls (brief)1(Private radio ID)

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