Nantucket County Municipal Trunk

Nantucket, MA Trunked System System ID: 3A6 WACN: BEE00 P25 Phase II system. (All TGs are currently operating FDMA-Phase I) Nantucket uses a 800mhz Project 25 digital trunking system for all town utilities 857.7125 appears to be the full time control channel for this system at this time.

Table of contents -

Current System Frequencies

• Site 1.1
• NAC 3A0
• 3 Site Simulcast.
• CC rotates - sometimes rapidly - between 857.7125 and 855.9625

Frequency	Use	Confirmation/Reconfirmation
854.2375	Voice	2025.05.12 Scott
854.4375	Voice	2025.05.12 Scott
855.9625	Voice & Alternate Control	2025.05.12 Scott
857.7125	Control Channel Primary	2025.05.12 Scott
859.4875	Voice	2025.05.12 Scott

System Talkgroups

Police

Talkgroup	Encrypted	Description	Confirmation/Reconfirmation
11	Yes	Nantucket Police	2025.05.08 Scott
12	Yes	Likely PD	2021.10.07 Scott

Fire/EMS

Talkgroup	Encrypted	Description	Confirmation/Reconfirmation
21	No	Fire Department Ops - Patched to 154.430	2025.05.08 Scott
22	No	??	2012.02.21
28	Yes	Unknown	2022.10.30 W1KNE
29	??	EMS to Hospital

Municipal

• Includes Public Works, Public Schools and other town agencies not covered.

Talkgroup	Encrypted	Description	Confirmation/Reconfirmation
31	No	Public Works	2019.10.19 35F7
32	No	Public Works - Storm Drain Cleaning	2023.05.28 MR1SCAN
41	No	School Department - Transportation	2025.05.08 Scott
42	No	??
43	No	School Buses	2025.05.07 Scott
44	No	School Department	2025.05.08 Scott
61	No	Harbormaster/Beaches/Lifeguards	2025.05.08 Scott

Airport

• Nantucket Memorial Airport KACK

Talkgroup	Encrypted	Description	Confirmation/Reconfirmation
51	No	Airfield Operations	2020.11.09 W1KNE
52	No	Fixed Base Operator (FBO)	2023.05.28 MR1SCAN

Nantucket County Fire Departments Nantucket County Police Departments Nantucket County EMS Nantucket County Sheriff Department State Police in Nantucket County Nantucket County Municipal Departments and Utilities

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