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

WSFX245 GMRS 📡 HAM

📡

Also a licensed HAM

AD2AG

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

Current holder: Zichen Zhu

General Mobile Radio Service license · held by Zichen Zhu · East Palo Alto, CA · FRN 0029204864

Status	Active
Granted	Nov 19, 2024
Expires	Nov 19, 2034
Mailing address	1788 Purdue Ave, East Palo Alto, CA 94303

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
7	RP22	462.725	—	WRQD317	Los Altos, CA	Closed	Unknown
7	RP19	462.650	94.8	WRMZ431	Woodside, CA	Open	On the air
15	RP17	462.600	—	KAF1291	Sunol, CA · Sunol Peak	Closed	On the air
16	RP20	462.675	D311	WRKH273	San Jose, CA	Open	On the air
19	RP18	462.625	141.3	WQBW533	Los Gatos, CA · Hwy 17 Summit	Open	On the air
22	RP19	462.650	77.0	WQLS681	San Jose, CA · Almaden Valley	Open	On the air
22	RP19	462.650	77.0	WQLS681	San Jose, CA · Almaden Valley	Open	On the air
22	RP20	462.675	CSQ	WRAV865	San Francisco, CA	Open	On the air
26	RP17	462.600	—	KAF1291	Oakland, CA	Closed	On the air
28	RP18	462.625	103.5	WRJI287	San Francisco, CA	Open	On the air
34	RP19	462.650	91.5	WRAM471	Pleasant Hill, CA	Open	On the air
34	RP22	462.725	250.3	WSJK648	Corralitos, CA · Velencia Creek Headwaters	Open	On the air
35	RP20	462.675	94.8	WSJM872	Santa Cruz, CA · Santa Cruz Mtns	Open	On the air
40	RP16	462.575	—	WRPA270	Pittsburg, CA	Closed	On the air

📡 Amateur radio licenses on the same FRN

Call	Status	Class	Name	Location	Granted	Expires
AD2AG	Active	Extra	Zichen Zhu	East Palo Alto, CA	Feb 24, 2020	Feb 24, 2030

📜 License history

Date	FCC action
Sep 3, 2025	Administrative update
Nov 19, 2024	License issued

🏠 Address history

Every address Zichen Zhu gave the FCC on a GMRS filing, newest first.

Filed from	Address	On a
Sep 2, 2025	1788 Purdue Ave, East Palo Alto, CA 94303	Administrative update
Nov 18, 2024	70 Lincoln Ave., Piscataway, NJ 08854	New license

📝 GMRS applications filed

Received	File number	Purpose	Result	Filed from
Sep 2, 2025	0011709943	Administrative update	Granted	East Palo Alto, CA
Nov 18, 2024	0011332857	New license	Granted	Piscataway, NJ

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