N9TPB FCC License Search

🕒 FCC license data updated today 8:30 am CDT (FCC files through Oct 1, 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

WSMC679 GMRS 📡 HAM

📡

Also a licensed HAM

K6ABA

Technician class · same FCC Registration Number (FRN)

Current holder: Christos Mavrakis

General Mobile Radio Service license · held by Christos Mavrakis · Cupertino, CA · FRN 0037038718

Status	Active
Granted	Mar 19, 2026
Expires	Mar 19, 2036
Mailing address	One Apple Park Way, 927-1CPS, Cupertino, CA 95014

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

📻 GMRS repeaters within 50 miles

14 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
5	RP22	462.725	—	WRQD317	Los Altos, CA	Closed	Unknown
8	RP18	462.625	141.3	WQBW533	Los Gatos, CA · Hwy 17 Summit	Open	On the air
9	RP20	462.675	D311	WRKH273	San Jose, CA	Open	On the air
12	RP19	462.650	77.0	WQLS681	San Jose, CA · Almaden Valley	Open	On the air
12	RP19	462.650	77.0	WQLS681	San Jose, CA · Almaden Valley	Open	On the air
13	RP19	462.650	94.8	WRMZ431	Woodside, CA	Open	On the air
23	RP22	462.725	250.3	WSJK648	Corralitos, CA · Velencia Creek Headwaters	Open	On the air
23	RP17	462.600	—	KAF1291	Sunol, CA · Sunol Peak	Closed	On the air
23	RP20	462.675	94.8	WSJM872	Santa Cruz, CA · Santa Cruz Mtns	Open	On the air
33	RP20	462.675	CSQ	WRAV865	San Francisco, CA	Open	On the air
38	RP17	462.600	—	KAF1291	Oakland, CA	Closed	On the air
39	RP18	462.625	103.5	WRJI287	San Francisco, CA	Open	On the air
46	RP19	462.650	91.5	WRAM471	Pleasant Hill, CA	Open	On the air
50	RP22	462.725	110.9	WSHA681	San Juan Bautista, CA · Fremont Pk	Open	On the air

📡 Amateur radio licenses on the same FRN

Call	Status	Class	Name	Location	Granted	Expires
K6ABA	Active	Technician	Christos Mavrakis	Cupertino, CA	Jun 10, 2025	Jun 10, 2035
KO6JKP	Canceled	Technician	Christos Mavrakis	Cupertino, CA	May 23, 2025	May 23, 2035

📜 License history

Date	FCC action
Mar 19, 2026	License issued

🏠 Address history

Every address Christos Mavrakis gave the FCC on a GMRS filing, newest first.

Filed from	Address	On a
Mar 18, 2026	One Apple Park Way, 927-1CPS, Cupertino, CA 95014	New license

📝 GMRS applications filed

Received	File number	Purpose	Result	Filed from
Mar 18, 2026	0011951574	New license	Granted	Cupertino, CA

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