N9TPB FCC License Search

🕒 FCC license data updated yesterday 7:15 am CDT (FCC files through Oct 4, 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

WSEW781 GMRS 📡 HAM

📡

Also a licensed HAM

K9MGM

Amateur Extra class · same FCC Registration Number (FRN)

Current holder: Robert Groetzenbach

General Mobile Radio Service license · held by Robert Groetzenbach · Sheridan, IL · FRN 0014536700

Status	Active
Granted	Oct 1, 2024
Expires	Oct 1, 2034
Mailing address	2420 N 42nd Rd, Sheridan, IL 60551

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

📻 GMRS repeaters within 50 miles

4 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
21	RP22	462.725	—	WRJJ705	Utica, IL · Starved Rock	Closed	On the air
30	RP16	462.575	—	WRDU235	Naperville, IL	Closed	On the air
32	RP19	462.650	D754	WSFL951	Naperville, IL	Open	On the air
50	RP22	462.725	67.0	WRUX244	Northlake, IL · Melrose Park	Open	On the air

📡 Amateur radio licenses on the same FRN

Call	Status	Class	Name	Location	Granted	Expires
K9MGM	Active	Extra	ROBERT G GROETZENBACH JR	Sheridan, IL	Mar 21, 2023	Mar 21, 2033
WB9BHL	Canceled	Extra	ROBERT G GROETZENBACH JR	Sheridan, IL	Mar 3, 2016	May 31, 2026

📜 License history

Date	FCC action
Oct 1, 2024	License issued

🏠 Address history

Every address Robert Groetzenbach gave the FCC on a GMRS filing, newest first.

Filed from	Address	On a
Sep 27, 2024	2420 N 42nd Rd, Sheridan, IL 60551	New license

📝 GMRS applications filed

Received	File number	Purpose	Result	Filed from
Sep 27, 2024	0011260983	New license	Granted	Sheridan, IL

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