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

Matthias Zapatka

FRN 0008823965 · first licensed May 8, 2003 as KC8WOL · 2 licenses on record

📻 GMRS licenses on this FRN

GMRS call	Status	Name	Location	Granted	Expires
WRTL553	Active	Matthias Zapatka	Box Elder, SD	Jul 1, 2022	Jul 1, 2032

📝 FCC applications (21)

Received	File number	Service	Purpose	Status	Call
Mar 6, 2023	0010444016	HAM	Renewal	Granted	AJ4BB
Jun 30, 2022	0010111246	GMRS	New license	Granted
Mar 23, 2021	0009464843	HAM	Administrative update	Granted	AJ4BB
Feb 16, 2021	0009415985	HAM	Administrative update	Granted	AJ4BB
Feb 1, 2021	0009395797	HAM	Administrative update	Granted	AJ4BB
Mar 13, 2017	0007696233	HAM	Administrative update	Granted	AJ4BB
Mar 13, 2017	0007696231	HAM	Administrative update	Granted	AJ4BB
Aug 31, 2016	0007438120	HAM	Modification	Dismissed	AJ4BB
Oct 16, 2015	0006988340	HAM	Administrative update	Granted	AJ4BB
Jan 3, 2014	0006080937	HAM	Administrative update	Granted	AJ4BB
Feb 13, 2013	0005647579	HAM	Renewal	Granted	AJ4BB
Nov 21, 2012	0005504905	HAM	Administrative update	Granted	AJ4BB
Sep 7, 2012	0005383437	HAM	Administrative update	Granted	AJ4BB
Jul 5, 2011	0004790335	HAM	Administrative update	Granted	AJ4BB
Oct 19, 2010	0004425680	HAM	Administrative update	Granted	AJ4BB
Jul 31, 2007	0003126816	HAM	Modification	Granted	KC8WOL
Mar 22, 2006	0002538994	HAM	Modification	Granted	KC8WOL
Mar 19, 2004	0001664593	HAM	Modification	Granted	KC8WOL
Feb 9, 2004	0001610417	HAM	Administrative update	Granted	KC8WOL
Sep 2, 2003	0001436080	HAM	Administrative update	Granted	KC8WOL
May 8, 2003	0001303251	HAM	New license	Granted	KC8WOL

Complete licensing history

📦 Moved: Chelsea, AL → Box Elder, SD

AJ4BB Active Amateur Extra Aug 1, 2007 → expires May 8, 2033

Licensee
Matthias Zapatka

Address
514 Americas Way Ste 5322
Box Elder, SD 57719
44.1038, -103.1455 (street) · Grid DN84kc · CQ 4 · ITU 7 · map ↗

FRN
0008823965

Previous call
KC8WOL (General)

Last granted
Mar 7, 2023

Effective
Mar 7, 2023

Last action
Mar 7, 2023
FCC actions (15)
- Mar 7, 2023 — License renewed LIREN
- Mar 24, 2021 — Administrative update LIAUA
- Feb 17, 2021 — Administrative update LIAUA
- Feb 2, 2021 — Administrative update LIAUA
- Mar 14, 2017 — Administrative update LIAUA
- Mar 14, 2017 — Administrative update LIAUA
- Oct 17, 2015 — Administrative update LIAUA
- Jan 4, 2014 — Administrative update LIAUA
- Feb 14, 2013 — License renewed LIREN
- Nov 22, 2012 — Administrative update LIAUA
- Sep 8, 2012 — Administrative update LIAUA
- Jul 6, 2011 — Administrative update LIAUA
- Oct 20, 2010 — Administrative update LIAUA
- Aug 1, 2007 — Systematic call sign granted SYSGRT
- Aug 1, 2007 — License issued LIISS
KC8WOL Canceled Amateur Extra May 8, 2003 → Aug 1, 2007 (canceled)

Licensee
Matthias Zapatka

Address
Attn: Wolfgang Dachale
133 Twin Oaks Circle
Chelsea, AL 35043
33.3106, -86.6629 (ZIP center) · Grid EM63qh · CQ 4 · ITU 8 · map ↗

FRN
0008823965

Last granted
May 8, 2003

Effective
Mar 22, 2006

Last action
Aug 1, 2007
FCC actions (6)
- Aug 1, 2007 — License canceled LICAN
- Mar 22, 2006 — License modified LIMOD
- Mar 19, 2004 — License modified LIMOD
- Feb 10, 2004 — Administrative update LIAUA
- Sep 3, 2003 — Administrative update LIAUA
- May 8, 2003 — License issued LIISS

Address history

From FCC database snapshots (2004 → now). "Seen" dates are the first and last snapshot showing that address.

Seen Apr 16, 2022 → Oct 4, 2026 · 13 snapshots · as AJ4BB
Matthias Zapatka
514 Americas Way Ste 5322, Box Elder, SD 57719
44.1038, -103.1455 (street) · Grid DN84kc · CQ 4 · ITU 7 · map ↗
Seen May 27, 2010 → Oct 4, 2026 · 48 snapshots · as KC8WOL
Matthias Zapatka
Attn: Wolfgang Dachale
133 Twin Oaks Circle, Chelsea, AL 35043
33.3106, -86.6629 (ZIP center) · Grid EM63qh · CQ 4 · ITU 8 · map ↗
Seen Mar 28, 2014 → May 6, 2019 · 15 snapshots · as AJ4BB
Matthias Zapatka
514 Americas Way #5322, Box Elder, SD 57719
44.2312, -102.9944 (ZIP center) · Grid DN84mf · CQ 4 · ITU 7 · map ↗
Seen Nov 16, 2015 → Feb 15, 2017 · 10 snapshots · as AJ4BB
Matthias Zapatka
7240 Pole Line Rd, Winnemucca, NV 89445
41.1211, -118.0085 (ZIP center) · Grid DN01xc · CQ 3 · ITU 6 · map ↗
Seen Feb 18, 2013 → Oct 22, 2013 · 4 snapshots · as AJ4BB
Matthias Zapatka
PO Box 5195
Lake Wylie, SC 29710
35.1063, -81.2215 (ZIP center) · Grid EM95jc · CQ 5 · ITU 8 · map ↗
Seen Oct 17, 2011 → Jul 26, 2012 · 4 snapshots · as AJ4BB
Matthias Zapatka
20660 Stevens Creek Blvd., #357, Cupertino, CA 95014
37.3084, -122.0819 (ZIP center) · Grid CM87xh · CQ 3 · ITU 6 · map ↗
Seen Nov 7, 2004 · 1 snapshot · as KC8WOL
Matthias Zapatka
C/O W Dachale 133 Twin Oak Circle, Chelsea, AL 35043
33.3106, -86.6629 (ZIP center) · Grid EM63qh · CQ 4 · ITU 8 · map ↗

Nets

Net	When	Frequency	Role	Times	Last
Alaska Morning Net	Thu, Fri, Sun 11:45 AM CT	VOiP	Checked in	2	2026-09-13

From nets logged with NetLogger since the start of collection.

Repeaters within 50 miles

26 repeaters within 50 miles of this address, closest first · sort: closest · most active · map these & export for a radio →

● confirmed on the air · ● probably · ● reported off the air · ● unknown · ◉ this license · ring = 50 miles · click a dot for the repeater's page

● confirmed on the air · ● probably · ● reported off the air · no dot = unknown (hover a dot for the evidence)

Miles	Call	Name	Output	Offset	Tone	Mode	Networks	Activity	Location
3.1	W0BLK	Rapid City Radar W0BLK	146.9400	-0.6	TONE 146.2	FM (analog)		—	Rapid City, SD
3.1	W0BLK	Rapid City Radar W0BLK AllStar	444.5750	+5	TSQL 146.2	FM (analog)	AllStar 54962 EchoLink 732271	—	Rapid City, SD
3.1	KE0QIB	Rapid City Radar KE0QIB	444.7500	+5	TSQL 146.2	FM (analog)		—	Rapid City, SD
4.1	KF0MKE	Rapid City KF0MKE BM	434.5500	+5	CC1	DMR	BrandMeister 319937602	—	Rapid City, SD
29.9	K0HS	Custer Mt K0HS WIRES-X	444.1200	+5	DCS 025	FM (analog) (FM,C4FM)	WIRES-X 21493	—	Custer, SD
29.9	K0HS	Custer Mt K0HS	147.1200	+0.6	TSQL 146.2	FM (analog)		—	Custer, SD
32.4	WN6QJN	Custer WN6QJN	147.0900	+0.6	TSQL 146.2	FM (analog)		—	Custer, SD
32.5	K0ORK	Custer K0ORK WIRES-X	444.1200	+5	DG-ID 00-00	Fusion (C4FM)	WIRES-X 98878	—	Custer, SD
33.9	KC0BXH	Custer Bear Mtn KC0BXH	146.8500	-0.6	TONE 146.2	FM (analog)		—	Custer, SD
34.2	K0HS	Custer Bear Mtn K0HS	444.8500	+5	none	FM (analog)		—	Custer, SD
35.1	WB0JEK	Lead Terry Pk WB0JEK	443.6500	+5	TSQL 131.8	FM (analog)		—	Lead, SD
37.5	KC0BXH	Lead Terry Pk KC0BXH	146.7600	-0.6	TSQL 146.2	FM (analog)		—	Lead, SD
37.5	WB0JEK	Lead Terry Pk WB0JEK	147.0300	+0.6	TONE 146.2	FM (analog)		—	Lead, SD
37.5	KC0BXH	Lead Terry Pk KC0BXH	444.9750	+5	TSQL 146.2	FM (analog)		—	Lead, SD
44.8	K0HS	Custer Pass K0HS WIRES-X	147.1500	+0.6	TSQL 146.2	FM (analog) (FM,C4FM)	WIRES-X 21493	—	Custer, SD
44.8	K0ORK	Hot Springs K0ORK WIRES-X	147.7500	-0.6	DG-ID 00-00	Fusion (C4FM)	WIRES-X 92626	—	Hot Springs, SD
48.2	K0HS	Hot Springs Batt K0HS	146.7000	-0.6	TONE 146.2	FM (analog)		—	Hot Springs, SD
48.2	K0HS	Hot Springs Batt K0HS WIRES-X	444.7000	+5	DCS 025	FM (analog) (FM,C4FM)	WIRES-X 21493	—	Hot Springs, SD
48.3	K0ORK	Hot springs K0ORK WIRES-X	449.7000	-5	DG-ID 00-00	Fusion (C4FM)	WIRES-X 94494	—	Hot springs, SD
49.8	W0FUI	Hot Springs W0FUI IRLP	146.4750	simplex	TONE 146.2	FM (analog)	IRLP 7976	—	Hot Springs, SD
3.1	KE0QIB offline	Rapid City Radar KE0QIB BM	444.7000	+5	CC1	DMR	BrandMeister 312555	—	Rapid City, SD
4.5	W0RE offline	Rapid City W0RE	444.2000	+5	TSQL 146.2	FM (analog)		—	Rapid City, SD
5.2	WA0MFZ offline	Rapid City WA0MFZ IRLP	147.5700	simplex	TSQL 146.2	FM (analog)	IRLP 4044	—	Rapid City, SD
5.2	N6SGX offline	Rapid City N6SGX IRLP	446.0000	simplex	TSQL 100.0	FM (analog)	IRLP 3967	—	Rapid City, SD
10.3	K0LGB offline	RAPID CITY K0LGB IRLP	147.4700	simplex	TSQL 146.2	FM (analog)	IRLP 8701	—	RAPID CITY, SD
33.6	WN6QJN offline	Custer Bear Mtn WN6QJN	53.1700	-1	TSQL 146.2	FM (analog)		—	Custer, SD

Vanity applications

Filed · Award	Applicant	Requested (in order)	Status
Filed Aug 31, 2016 Award date was Sep 18, 2016 0007438120	AJ4BB · Matthias Zapatka · Amateur Extra 7240 Pole Line Rd, Winnemucca, NV 89445 41.1211, -118.0085 (ZIP center) · Grid DN01xc · CQ 3 · ITU 6 · map ↗	1.W7ZM held	Dismissed