Unidentified Digital Radio Systems in our area

Unidentified Digital Radio Systems in our area Please also post in the Mystery Frequency Forum as well This list is a working list of unidentified digital scanner frequencies, that we need help in narrowing down who, what and where. Once Identified the record will be moved to the appropriate section of the main wiki All digital formats are welcome here. (DMR, NXDN, TETRA, etc...) This table covers all of New England and the 25 adjacent counties in New York State. Nothing here is assumed confirmed until it is. No covert, undercover, or surveillance type traffic allowed, both public and private. (Please read our Terms of service) When removing an entry, please ID who the user was in the edit summary, so we all can go back on the answer!

Frequency	Tone	TS/TG	Type-Flavor	Location Heard from	Remarks	First heard
155.1000	??	???	DMR	Ascutney VT / Claremont NH Area		2021.11.01 ecps92
451.3625	C01	TG:1001/4001	R-DMR	Taunton on UHF Antenna. Fairly Strong. UHF opening well into Maine this AM	Unmonitored logging. Several Hits	2021.03.23 W1KNE
451.4500	C07	TG13	R-DMR (Cap+)	RI-Heard from the "overlook" to PVD. Not strong		2021.03.15 W1KNE
451.49375		TG:1-6 TG 1-80	R-IDAS	Extremely strong from Weymouth - 2021.03.23 Update: Heard in Taunton too.	"Are you going to Waltham?" Said	2021.03.11 ecps92
451.5750	C01		R-DMR	Heard from Weymouth with beam pointed North/Northeast	No TG yet, thought is Medford Schools, based on FCC	2021.03.13 ecps92
451.7125	C10	SL:1 TG:101 SL:1 TG:109	R-DMR	Heard from Weymouth	Sounds like Maint and HVAC TG's and will sometimes indicate Cap+	2021.03.16
451.8750	C12	Multiple ENC TG's	R-DMR	Heard from Weymouth with a beam pointed Southerly	Also an Analog 107.2 user to be Identified	2021.03.22 ecps92
453.9250	C07	None Yet	?-DMR	Weymouth-Best Signal is pointing North/Northeast	Another SNE member from the Merrimack Valley did not hear it, so this rules out Essex Sewerage	2021.05.02 ecps92
454.2375	C01	???	R-DMR (CON+)	Northern New Hampshire	Con+ system Captured from Twin Mountain	2023.11.11 ecps92
460.2625	C13	SL:1 TG:1	R-DMR	Near I95-I93 split in Canton	Youth Activity. Likely Connelly Youth Center, Forest Hills. Needs more verification	2020.10.15 W1KNE
460.7500	C04		DMR	Weymouth - beam aimed North/Northeast	BS Beacon only	2021.06.13 ecps92
461.0250	C09		T?-DMR	Weymouth (Coming from MA/NH)	Radio Alias is Bus ####	2020.12.15 ecps92
461.1250	C01		?-DMR	Heard from Weymouth Area - weak		2021.01.21 ecps92
461.4375	C01	SL:1 TG:16777215	R-DMR	Heard from Weymouth Area	Ch.02 Plant Operations Was not active during Fire Alarm at Twin Rivers - not ruling them out	2020.10.17 ecps92
461.5625	C01		R-DMR TIII	Heard from Base of Mt Washington Auto Road	TIII T1-2.1	2024.07.28
461.5625	C01	SL:1 TG:200	R-DMR	Heard in North Andover	Possibly school bus or van, mentioned reminder of cohort B in classes, mentioned early release at Worcester Academy	2021.03.18 MASSBUSMARK
462.0250	C01		R-DMR	Blue Hill Parking Area - Chickt. Road	Brief Conversations	2021.01.02 W1KNE
462.0750	C07		R-DMR	Heard rather strong from Weymouth		2020.12.01 ecps92
462.0750	R05		R-DMR	Heard rather strong from Weymouth	Alias IDs show Lynn, Wakefield and NH bases Likely NRT, unk if part of a TRS or Conventional	2020.12.01 ecps92
462.4250	C07	Mult	R-DMR	Boston Area	Mix of English and Spanish TGs	2021.12.30 ecps92
462.8500	C11		R-DMR (Cap+)	heard from the base of the Mt Washington Auto Road		2024.07.28 ecps92
463.4500	C01	TG:1000 TG:3000 TG:22000	R-DMR	Southern Maine or Seacoast New Hampshire		2024.07.09 ecps92
463.5125	C10		R-DMR	Needham	Ref to "Lot C". Only licensee is poss Natick Mall (NM has a "Lot C"), who was analog confirmed 2 weeks ago. Maybe they changed that fast?	2021.01.20 W1KNE
464.0625	C11		R-DMR	Weymouth	Weak into Weymouth and overridden by Jet Blue	2020.12.17 ecps92
464.2625	C01	SL:1 TG:18	S-DMR	Norwood/Canton area	Unknown Crane Operations	2020.01.22 W1KNE
464.3875	C07		DMR	Weymouth Area (South Weymouth NAS)	Periodic BS Data transmitted - No TG info Not Abington Schools 2020.10.11 Best Signal is at ~270 deg from South Weymouth NAS There is also NXDN96 on the same Freq from Paxton	2020.10.08 ecps92
464.5500	C05	SL:1 TG:50000	S-DMR	128 Between Needham and Westwood	Unknown, comms were moderately strong but was unable to verify.	2020.10.15 W1KNE
464.5500	C05	SL:1 TG:7105	R-DMR	Weymouth/Hingham	Discussions about transporting. Maybe buses or shuttles. Near Hingham Line in Weymouth. Sounds repeated/repeater	2020.11.08 W1KNE
467.7625	C07	SL:1 TG:13306270	R-DMR (CON+)	Taunton aimed north UHF yagi	Brief Conversations	2020.12.14 W1KNE