I observed two unidentified talkgroups on the Walker Mountain Site (31) this evening while in Chemult. TG65127 appeared to be Fire or Medic toneout, and TG65128 appeared to be EMS Dispatch or Operations. One call heard did sound to be in Sisters.
Oregon State Radio Project: Unknown TG's
- Thread starter RadioDitch
- Start date
Those are Harris "Supergroup Patch" talkgroups. The way the Harris system works when toning out fire stations is each station has its own talkgroup, when Deschutes 911 tones out they patch the Dispatch talkgroup and any station talkgroups together to pass audio into the stations. The patch talkgroups are 65101 through 65200. They increase in number for each subsequent tone out.
Here is DSDplus log file as an example
2025/04/21 21:29:55 Freq=857.762500 NAC=065 Patch Supergroup: TG=65127 [SUPERGROUP PATCH (TDMA)]
2025/04/21 21:29:55 Freq=857.762500 NAC=065 Patch Subgroup: TG=9151 [[DC Fire Dispatch] Fire Dispatch ALL (TDMA)]
2025/04/21 21:29:55 Freq=857.762500 NAC=065 Patch Subgroup: TG=9329 [[304 Tone out] Bend Fire Station 304 Tone out - East (TDMA)]
2025/04/21 21:29:55 Freq=857.762500 NAC=065 P-Group call; TG=65127 [SUPERGROUP PATCH (TDMA)] Src=EXTERNAL Ch=856.7625-1 17s
2025/04/21 21:54:48 Freq=857.762500 NAC=065 Patch Supergroup: TG=65128 [SUPERGROUP PATCH (TDMA)]
2025/04/21 21:54:48 Freq=857.762500 NAC=065 Patch Subgroup: TG=9151 [[DC Fire Dispatch] Fire Dispatch ALL (TDMA)]
2025/04/21 21:54:48 Freq=857.762500 NAC=065 Patch Subgroup: TG=9330 [[305 Tone out] Bend Fire Station 305 Tone out - North (TDMA)]
2025/04/21 21:54:48 Freq=857.762500 NAC=065 P-Group call; TG=65128 [SUPERGROUP PATCH (TDMA)] Src=EXTERNAL Ch=856.7625-1 14s
Here is DSDplus log file as an example
2025/04/21 21:29:55 Freq=857.762500 NAC=065 Patch Supergroup: TG=65127 [SUPERGROUP PATCH (TDMA)]
2025/04/21 21:29:55 Freq=857.762500 NAC=065 Patch Subgroup: TG=9151 [[DC Fire Dispatch] Fire Dispatch ALL (TDMA)]
2025/04/21 21:29:55 Freq=857.762500 NAC=065 Patch Subgroup: TG=9329 [[304 Tone out] Bend Fire Station 304 Tone out - East (TDMA)]
2025/04/21 21:29:55 Freq=857.762500 NAC=065 P-Group call; TG=65127 [SUPERGROUP PATCH (TDMA)] Src=EXTERNAL Ch=856.7625-1 17s
2025/04/21 21:54:48 Freq=857.762500 NAC=065 Patch Supergroup: TG=65128 [SUPERGROUP PATCH (TDMA)]
2025/04/21 21:54:48 Freq=857.762500 NAC=065 Patch Subgroup: TG=9151 [[DC Fire Dispatch] Fire Dispatch ALL (TDMA)]
2025/04/21 21:54:48 Freq=857.762500 NAC=065 Patch Subgroup: TG=9330 [[305 Tone out] Bend Fire Station 305 Tone out - North (TDMA)]
2025/04/21 21:54:48 Freq=857.762500 NAC=065 P-Group call; TG=65128 [SUPERGROUP PATCH (TDMA)] Src=EXTERNAL Ch=856.7625-1 14s
