N9TPB FCC License Search

🕒 FCC license data updated today 7:15 am CDT (FCC files through Oct 4, 2026) · next update today 9:45 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

WRDC634 GMRS 📡 HAM

📡

Also a licensed HAM

KK9U

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

Current holder: Sean F McMahon

General Mobile Radio Service license · held by Sean F McMahon · Seattle, WA · FRN 0013607841

Status	Active
Granted	Mar 28, 2019
Expires	Mar 28, 2029
Mailing address	3646F 13th Ave W, Seattle, WA 98119

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

📻 GMRS repeaters within 50 miles

23 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
13	RP19	462.650	151.4	WROD852	Bothell, WA · Canyon Park	Open	On the air
15	RP21	462.700	136.5	WSLF710	Mukilteo, WA · Picnic Point	Open	On the air
16	RP17	462.600	123.0	WQYS525	Redmond, WA · Trilogy Cedar Lodge	Open	On the air
17	RP16	462.575	123.0	WQYS525	Redmond, WA · Trilogy Tennis Courts	Closed	On the air
19	RP17	462.600	127.3	WQYQ893	Clinton, WA · South Whidbey Scachet Head	Open	On the air
20	RP17	462.600	D074	WRPC310	Bremerton, WA · Gold Mtn	Open	On the air
21	RP20	462.675	173.8	WRPR468	Gig Harbor, WA · Peacock Hill	Open	On the air
22	RP22	462.725	141.3	WQVZ485	Snohomish, WA	Open	On the air
23	RP18	462.625	91.5	WQWH848	East Tiger, WA · Oly-Comm3	Closed	On the air
25	RP15	462.550	—	WRJB332	Covington, WA · Dusk Peak	Closed	On the air
26	RP21	462.700	254.1	WRBQ486	Auburn, WA	Open	On the air
29	RP16	462.575	229.1	WSFY282	Vaughn, WA	Open	On the air
30	RP16	462.575	156.7	WQRZ288	Lake Tapps, WA	Open	On the air
33	RP21	462.700	103.5	WRNV843	North Bend, WA · Mt Si - Mt Teneriffe	Open	On the air
36	RP20	462.675	100.0	WQWH848	Discovery Bay, WA · Oly-Comm1	Closed	On the air
37	RP20	462.675	210.7	WQWH848	Port Townsend, WA · Oly-Comm2	Closed	On the air
37	RP16	462.575	—	WRMK208	Anderson Island, WA · Matthews Way	Closed	On the air
37	RP17	462.600	91.5	WRPE780	Port Townsend, WA · Morgan Hill	Open	On the air
38	RP17	462.600	77.0	WSFK553	Spanaway, WA	Closed	On the air
38	RP19	462.650	77.0	WSFK553	Spanaway, WA	Open	On the air
38	RP21	462.700	77.0	WSFK553	Spanaway, WA	Open	On the air
41	RP21	462.700	210.7	WRVI233	Shelton, WA	Open	On the air
45	RP17	462.600	103.5	WRTY274	Roy, WA	Open	On the air

📡 Amateur radio licenses on the same FRN

Call	Status	Class	Name	Location	Granted	Expires
KK9U	Active	Extra	SEAN F McMahon	Seattle, WA	Jul 24, 2020	Jul 24, 2030
KB0VER	Canceled	Extra	SEAN F McMahon	Belleville, IL	May 5, 2016	Jan 30, 2026

📜 License history

Date	FCC action
Apr 28, 2026	Administrative update
Aug 19, 2020	Administrative update
Mar 28, 2019	License issued

🏠 Address history

Every address Sean F McMahon gave the FCC on a GMRS filing, newest first.

Filed from	Address	On a
Apr 27, 2026	3646F 13th Ave W, Seattle, WA 98119	Administrative update
Aug 18, 2020	50 Signal Hill Blvd, Belleville, IL 62223	Administrative update
Mar 27, 2019	109 N Pennsylvania Ave, Belleville, IL 62220	New license

📝 GMRS applications filed

Received	File number	Purpose	Result	Filed from
Apr 27, 2026	0012010785	Administrative update	Granted	Seattle, WA
Aug 18, 2020	0009190141	Administrative update	Granted	Belleville, IL
Mar 27, 2019	0008579815	New license	Granted	Belleville, IL

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