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US > Washington > King (County) > Puget Sound Emergency Radio Network (PSERN)

Puget Sound Emergency Radio Network (PSERN)

System Name:Puget Sound Emergency Radio Network (PSERN)
Location:Seattle, WA
System Type:Project 25 Phase II
System Voice:APCO-25 Common Air Interface Exclusive
Last Updated:September 16, 2021, 4:06 pm (Added Talkgroup 50010 Radio Techs (Voice Testing)(Radio Technicians))

Important Note

Some talkgroups on this system are using Project 25 Phase II TDMA modulation which can ONLY be monitored using a P25 Phase II compatible scanner.

Please visit the RR Wiki Project 25 page for additional information.

System ID List

System ID   WACN  
HEX: 3AB   BEE00  

Misc System Information

The Pugent Sound Emergency Radio Network (PSERN) has established one radio system that will drastically improve its coverage, capacity, capability, and connectivity to provide King County with reliable emergency radio functionality. The new Motorola P25 Phase II system will provide several new and improved features such as better reliability, improved interoperability, increased capacity to keep up with King County’s growing population, additional radio sites to provide improved coverage to help make sure responders maintain communication during emergencies. In addition, the aging 20-year old analog system will be replaced with state-of-the-art digital technology. The new digital network is in it's intitial testing stage, with the Wave 1 cutover to being in early 2022. The final cutover is expected in the first quarter of 2023, and the old analog legacy system will be deactivated at that time.

System Frequencies
Red (c) are primary control channels | Blue (a) are alternate control channels | Site Map(s): FCC Callsigns RR Locations

RFSS SiteNameFreqs   
1 (1) 025 (19) Seattle/Eastside851.8875 852.8625 853.825 854.2875c
1 (1) 026 (1A) North King County851.9875 852.4375 853.425 854.6375c
1 (1) 027 (1B) West King County851.5375 852.7875 853.675 854.4875c
1 (1) 028 (1C) South King County851.4625c 851.8125 852.8125 853.175
1 (1) 032 (20) Three Sisters Mountain855.2125 856.2375 858.2375 859.7125c
1 (1) 033 (21) Kangley857.4375 858.8875c 859.4375 860.7125

System Talkgroups
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Radio Technicians Talkgroups

DEC HEX Mode  Alpha TagDescriptionTag  
50001 c351 T TECH 1 Radio Techs (Voice Testing)  Public Works 
50002 c352 T TECH 2 Radio Techs (Voice Testing)  Public Works 
50003 c353 T TECH 3 Radio Techs (Voice Testing)  Public Works 
50004 c354 T TECH 4 Radio Techs (Voice Testing)  Public Works 
50005 c355 T TECH 5 Radio Techs (Voice Testing)  Public Works 
50008 c358 T TECH 8 Radio Techs (Voice Testing)  Public Works 
50010 c35a T Tech 10 Radio Techs (Voice Testing)  Public Works 

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