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

WSGN848 GMRS 📡 HAM

📡

Also a licensed HAM

KB3KRV

Amateur Extra class · same FCC Registration Number (FRN)

Current holder: David M Frederick

General Mobile Radio Service license · held by David M Frederick · Middle River, MD · FRN 0010333342

Status	Active
Granted	Jan 7, 2025
Expires	Jan 7, 2035
Mailing address	12902 Eastern Ave., Middle River, MD 21220

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

📻 GMRS repeaters within 50 miles

29 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
12	RP17	462.600	192.8	WRJY601	Towson, MD	Open	On the air
12	RP20	462.675	192.8	WRJY601	Baltimore, MD	Open	On the air
14	RP15	462.550	141.3	WRZV755	Baltimore, MD · Pigtown	Open	On the air
22	RP19	462.650	192.8	WRJY601	Ellicott City, MD	Open	On the air
23	RP18	462.625	67.0	WRMP641	White Hall, MD	Open	On the air
23	RP21	462.700	107.2	WQYM714	Port Deposit, MD	Open	On the air
24	RP20	462.675	141.3	WRPC304	Port Deposit, MD · I-95 At The Susquehanna River	Open	On the air
25	RP15	462.550	141.3	WQMM856	Lanham, MD · Doctor's Hospital	Open	On the air
25	RP15	462.550	136.5	WRXD980	Burtonsville, MD	Open	On the air
25	RP15	462.550	—	WRYB934	Chestertown, MD	Open	On the air
25	RP20	462.675	103.5	WSAD893	Baltimore, MD · Pasadena	Open	On the air
27	RP18	462.625	67.0	WSFB252	Galena, MD	Open	On the air
30	RP22	462.725	88.5	WQMM856	Laurel, MD	Open	On the air
37	RP21	462.700	—	WRCE676	Hartly, DE	Open	On the air
38	RP20	462.675	131.8	WRVX293	Holtwood, PA	Open	On the air
38	RP20	462.675	D125	WRVA363	Oxford Boro, PA · Oxford Walmart	Open	On the air
40	RP18	462.625	88.5	WQMM856	Largo, MD	Open	On the air
40	RP18	462.625	156.7	WPON592	Wheaton, MD	Open	On the air
42	RP16	462.575	241.8	WREZ274	Capitol Heights, MD	Open	On the air
42	RP22	462.725	D125	WQYM530	Jennersville, PA · Sr 1 / Sr 796	Open	On the air
45	RP21	462.700	203.5	WSEI555	Spring Grove, PA	Open	On the air
45	RP15	462.550	162.2	WRVP824	Willow Street, PA	Open	On the air
46	RP21	462.700	141.3	KAB7046	Washington, DC · Anacostia	Open	On the air
46	RP19	462.650	141.3	WRMV901	York, PA · Hollywood Heights	Closed	On the air
46	RP16	462.575	141.3	WRMV901	York, PA	Open	On the air

Showing the closest 25.

📡 Amateur radio licenses on the same FRN

Call	Status	Class	Name	Location	Granted	Expires
KB3KRV	Active	Extra	David M Frederick	Baltimore, MD	Jan 17, 2024	Feb 4, 2034

📜 License history

Date	FCC action
Jan 7, 2025	License issued

🏠 Address history

Every address David M Frederick gave the FCC on a GMRS filing, newest first.

Filed from	Address	On a
Jan 3, 2025	12902 Eastern Ave., Middle River, MD 21220	New license

📝 GMRS applications filed

Received	File number	Purpose	Result	Filed from
Jan 3, 2025	0011388924	New license	Granted	Middle River, MD

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