N9TPB FCC License Search

🕒 FCC license data updated yesterday 7:16 am CDT (FCC files through Oct 7, 2026) · next update today 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 · old CB calls like KHC1939 or 18Q3518 (1962–63 CB call books) · (205) 546-1767 (1990s CB directory phones)

WROI916 GMRS 📡 HAM

📡

Also a licensed HAM

KO4WUO

Technician class · same FCC Registration Number (FRN)

Current holder: Marc S Friedman

General Mobile Radio Service license · held by Marc S Friedman · Centerville, VA · FRN 0031539372

Status	Active
Granted	Oct 21, 2021
Expires	Oct 21, 2031
Mailing address	PO Box 231772, Centerville, VA 20120

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

📻 GMRS Repeaters within 50 Miles

25 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
17	RP15	462.550	141.3	WPON592	Falls Church, VA · Seven Corners	Open	On the air
18	RP20	462.675	141.3	KAD6329	Falls Church, VA · Seven Corners	Open	On the air
19	RP18	462.625	141.3	WSHN928	Woodbridge, VA · Government Complex Center	Open	On the air
19	RP18	462.625	141.3	WSHN928	Woodbridge, VA · Government Complex Center	Open	On the air
19	RP18	462.625	141.3	WSHN928	Woodbridge, VA · Government Complex Center	Open	On the air
19	RP17	462.600	141.3	KAB7046	Alexandria, VA · West End	Open	On the air
21	RP18	462.625	123.0	WPON592	Alexandria, VA · Fort Ward Park	Open	On the air
22	RP16	462.575	141.3	KAD6329	Arlington, VA · Clarendon	Open	On the air
22	RP16	462.575	136.5	WRDF311	Alexandria, VA · Mount Vernon, VA	Open	On the air
27	RP17	462.600	156.7	WSDH649	Stafford, VA	Open	On the air
27	RP18	462.625	156.7	WPON592	Wheaton, MD	Open	On the air
28	RP21	462.700	141.3	KAB7046	Washington, DC · Anacostia	Open	On the air
31	RP18	462.625	—	WRFF516	Linden, VA · Fiery Run Road	Closed	On the air
32	RP16	462.575	241.8	WREZ274	Capitol Heights, MD	Open	On the air
35	RP18	462.625	88.5	WQMM856	Largo, MD	Open	On the air
36	RP22	462.725	141.3	WSKD955	Waldorf, MD · Route 301 And Route 5 Split	Open	On the air
37	RP21	462.700	114.8	WRXL290	Front Royal, VA · Happy Creek	Open	On the air
38	RP22	462.725	88.5	WQMM856	Laurel, MD	Open	On the air
39	RP15	462.550	D261	WRTH256	Frederick, MD · Butterfly Ridge Elementary	Open	On the air
43	RP20	462.675	100.0	WRJY601	Frederick, MD	Open	On the air
46	RP19	462.650	192.8	WRJY601	Ellicott City, MD	Open	On the air
47	RP15	462.550	141.3	WQMM856	Lanham, MD · Doctor's Hospital	Open	On the air
47	RP15	462.550	136.5	WRXD980	Burtonsville, MD	Open	On the air
47	RP15	462.550	—	WRYB934	Chestertown, MD	Open	On the air
47	RP20	462.675	103.5	WSAD893	Baltimore, MD · Pasadena	Open	On the air

📡 Amateur Radio Licenses on the Same FRN

Call	Status	Class	Name	Location	Granted	Expires
KO4WUO	Active	Technician	Marc Friedman	Centerville, VA	Feb 15, 2022	Feb 15, 2032

📜 License History

Date	FCC action
Feb 23, 2022	Administrative update
Oct 21, 2021	License issued

🏠 Address History

Every address Marc S Friedman gave the FCC on a GMRS filing, newest first.

Filed from	Address	On a
Feb 22, 2022	PO Box 231772, Centerville, VA 20120	Administrative update
Oct 19, 2021	13804 Cutleaf Court, Chantilly, VA 20151	New license

📝 GMRS Applications Filed

Received	File number	Purpose	Result	Filed from
Feb 22, 2022	0009923325	Administrative update	Granted	Centerville, VA
Oct 19, 2021	0009760247	New license	Granted	Chantilly, VA

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