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

WRDX619 GMRS 📡 HAM

📡

Also a licensed HAM

NN8G

Amateur Extra class · same FCC Registration Number (FRN)

Current holder: Robert F Ludwig II

General Mobile Radio Service license · held by Robert F Ludwig II · Sterling Heights, MI · FRN 0024937849

Status	Active
Granted	Aug 14, 2019
Expires	Aug 14, 2029
Mailing address	14030 15 Mile Road, Apt. 204, Sterling Heights, MI 48312

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

📻 GMRS repeaters within 50 miles

9 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
3	RP18	462.625	—	WRFP357	Warren, MI	Closed	Unknown
5	RP15	462.550	136.5	WSEU202	Roseville, MI · Big Red/black Slipknot Sign	Open	On the air
6	RP20	462.675	141.3	WRUU850	Mount Clemens, MI	Open	On the air
8	RP16	462.575	—	WRAB719	Troy, MI	Closed	On the air
11	RP18	462.625	141.3	WRVT634	Detroit, MI	Open	On the air
17	RP19	462.650	141.3	WSLE314	Oakland Township, MI	Open	On the air
21	RP21	462.700	141.3	WRYH411	Melvindale, MI	Open	On the air
33	RP16	462.575	141.3	WRMB632	Brownstown, MI	Open	On the air
43	RP21	462.700	203.5	WSGQ896	Ann Arbor, MI	Open	On the air

📡 Amateur radio licenses on the same FRN

Call	Status	Class	Name	Location	Granted	Expires
NN8G	Active	Extra	ROBERT F LUDWIG II	Sterling Heights, MI	Dec 13, 2016	Dec 13, 2026
KE8CEL	Canceled	Extra	ROBERT F LUDWIG II	Warren, MI	Oct 2, 2015	Oct 2, 2025

📜 License history

Date	FCC action
May 8, 2026	Administrative update
Aug 14, 2019	License issued

🏠 Address history

Every address Robert F Ludwig II gave the FCC on a GMRS filing, newest first.

Filed from	Address	On a
May 7, 2026	14030 15 Mile Road, Apt. 204, Sterling Heights, MI 48312	Administrative update
Aug 13, 2019	25304 Campbell Ave., Warren, MI 48089	New license

📝 GMRS applications filed

Received	File number	Purpose	Result	Filed from
May 7, 2026	0012025103	Administrative update	Granted	Sterling Heights, MI
Aug 13, 2019	0008763052	New license	Granted	Warren, MI

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