N9TPB FCC License Search

🕒 FCC license data updated today 7:15 am CDT (FCC files through Oct 4, 2026) · next update tomorrow 6:00 am CDT

Ask: HAMs within 5 miles of N9TPB · Extra class operators in Madison, WI · or try N9TPB · K9* wildcards · Smith, John · 0004797601 (FRN) · 53703 · Madison, WI

WSFB666 GMRS 📡 HAM

📡

Also a licensed HAM

K0KOC

Amateur Extra class · same FCC Registration Number (FRN) · LoTW user

Current holder: Sergej Zyrianov

General Mobile Radio Service license · held by Sergej Zyrianov · Frederick, MD · FRN 0017963166

Status	Active
Granted	Oct 12, 2024
Expires	Oct 12, 2034
Mailing address	3719 Singleton Ter, Frederick, MD 21704

A GMRS license covers the licensee's immediate family, and lasts 10 years.

📻 GMRS repeaters within 50 miles

32 on the air or of unknown status, closest first · map these & export for a GMRS radio →

Miles	Channel	Output	Tone in	Owner	Location	Access	Status
8	RP15	462.550	D261	WRTH256	Frederick, MD · Butterfly Ridge Elementary	Open	On the air
13	RP20	462.675	100.0	WRJY601	Frederick, MD	Open	On the air
21	RP21	462.700	107.2	WRJY601	Thurmont, MD	Open	On the air
24	RP18	462.625	156.7	WPON592	Wheaton, MD	Open	On the air
29	RP19	462.650	192.8	WRJY601	Ellicott City, MD	Open	On the air
31	RP22	462.725	88.5	WQMM856	Laurel, MD	Open	On the air
33	RP18	462.625	179.9	WRXA649	Falling Waters, WV	Open	On the air
33	RP15	462.550	141.3	WPON592	Falls Church, VA · Seven Corners	Open	On the air
33	RP20	462.675	141.3	KAD6329	Falls Church, VA · Seven Corners	Open	On the air
34	RP16	462.575	141.3	KAD6329	Arlington, VA · Clarendon	Open	On the air
35	RP19	462.650	127.3	WRWQ569	Waynesboro, PA	Open	On the air
36	RP22	462.725	123.0	WSJK841	Martinsburg, WV · Dry Run Rd	Closed	On the air
37	RP18	462.625	123.0	WPON592	Alexandria, VA · Fort Ward Park	Open	On the air
38	RP17	462.600	141.3	KAB7046	Alexandria, VA · West End	Open	On the air
38	RP15	462.550	141.3	WRZV755	Baltimore, MD · Pigtown	Open	On the air
38	RP15	462.550	123.0	WSJK841	Martinsburg, WV · Dry Run Rd North Mountain	Closed	On the air
39	RP21	462.700	141.3	KAB7046	Washington, DC · Anacostia	Open	On the air
39	RP20	462.675	192.8	WRJY601	Baltimore, MD	Open	On the air
40	RP17	462.600	192.8	WRJY601	Towson, MD	Open	On the air
40	RP16	462.575	241.8	WREZ274	Capitol Heights, MD	Open	On the air
42	RP18	462.625	88.5	WQMM856	Largo, MD	Open	On the air
42	RP15	462.550	141.3	WQMM856	Lanham, MD · Doctor's Hospital	Open	On the air
42	RP15	462.550	136.5	WRXD980	Burtonsville, MD	Open	On the air
42	RP15	462.550	—	WRYB934	Chestertown, MD	Open	On the air
42	RP20	462.675	103.5	WSAD893	Baltimore, MD · Pasadena	Open	On the air

Showing the closest 25.

📡 Amateur radio licenses on the same FRN

Call	Status	Class	Name	Location	Granted	Expires
K0KOC	Active	Extra	Sergej Zyrianov	Frederick, MD	May 11, 2018	Aug 8, 2028
KB3RML	Canceled	Technician	Sergej Zyrianov	Frederick, MD	Jul 21, 2008	Jul 21, 2018

📜 License history

Date	FCC action
Oct 12, 2024	License issued

🏠 Address history

Every address Sergej Zyrianov gave the FCC on a GMRS filing, newest first.

Filed from	Address	On a
Oct 7, 2024	3719 Singleton Ter, Frederick, MD 21704	New license

📝 GMRS applications filed

Received	File number	Purpose	Result	Filed from
Oct 7, 2024	0011274241	New license	Granted	Frederick, MD

GMRS and amateur licenses come from the FCC Universal Licensing System, updated nightly. Licenses are linked by FCC Registration Number (FRN).