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

Frederick D Duke

FRN 0006902860 · first licensed Apr 15, 2002 as KC0MZB · 4 licenses on record

📝 FCC applications (6)

Received	File number	Service	Purpose	Status	Call
Mar 6, 2018	0008123147	HAM	Renewal	Granted	K0CE
Apr 16, 2008	0003398249	HAM	Modification	Granted	W0DOM
Apr 3, 2008	0003383589	HAM	Modification	Granted	W0DOM
May 31, 2002	0000914228	HAM	Modification	Granted	KC0NDQ
May 1, 2002	0000871609	HAM	Modification	Granted	KC0MZB
Apr 15, 2002	0000848675	HAM	New license	Granted	KC0MZB

Complete licensing history

K0CE Active Amateur Extra · vanity May 6, 2008 → expires May 6, 2028

Licensee
Frederick D Duke

Address
314 87 ENCHANTED LOOP
BURTRUM, MN 56318
45.8530, -94.6745 (ZIP center) · Grid EN25pu · CQ 4 · ITU 7 · map ↗

FRN
0006902860

Previous call
W0DOM (General)

Last granted
Mar 6, 2018

Effective
Mar 6, 2018

Last action
Mar 6, 2018
FCC actions (3)
- Mar 6, 2018 — License renewed LIREN
- May 6, 2008 — Vanity call sign granted VANGRT
- May 6, 2008 — License issued LIISS
📦 Moved: Saint Cloud, MN → Burtrum, MN

W0DOM Canceled Amateur Extra · vanity Jun 18, 2002 → May 6, 2008 (canceled)

Licensee
Frederick D Duke

Address
314 87 Enchanted Loop
Burtrum, MN 56318
45.8530, -94.6745 (ZIP center) · Grid EN25pu · CQ 4 · ITU 7 · map ↗

FRN
0006902860

Previous call
KC0NDQ (General)

Last granted
Jun 18, 2002

Effective
Apr 3, 2008

Last action
May 6, 2008
FCC actions (4)
- May 6, 2008 — License canceled LICAN
- Apr 3, 2008 — License modified LIMOD
- Jun 18, 2002 — Vanity call sign granted VANGRT
- Jun 18, 2002 — License issued LIISS
KC0NDQ Canceled General Apr 15, 2002 → Jun 18, 2002 (canceled)

Licensee
Frederick D Duke

Address
3110 22nd St S
Saint Cloud, MN 56301
45.4871, -94.2428 (ZIP center) · Grid EN25vl · CQ 4 · ITU 7 · map ↗

FRN
0006902860

Previous call
KC0MZB (Technician)

Last granted
Apr 15, 2002

Effective
May 1, 2002

Last action
Jun 18, 2002
FCC actions (3)
- Jun 18, 2002 — License canceled LICAN
- May 1, 2002 — Systematic call sign granted SYSGRT
- May 1, 2002 — License issued LIISS
KC0MZB Canceled General Apr 15, 2002 → May 1, 2002 (canceled)

Licensee
Frederick D Duke

Address
3110 22nd St S
Saint Cloud, MN 56301
45.4871, -94.2428 (ZIP center) · Grid EN25vl · CQ 4 · ITU 7 · map ↗

FRN
0006902860

Last granted
Apr 15, 2002

Effective
Apr 15, 2002

Last action
May 1, 2002
FCC actions (2)
- May 1, 2002 — License canceled LICAN
- Apr 15, 2002 — License issued LIISS

Address history

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

Seen May 27, 2010 → Oct 4, 2026 · 94 snapshots · as W0DOM
Frederick D Duke
314 87 Enchanted Loop, Burtrum, MN 56318
45.8530, -94.6745 (ZIP center) · Grid EN25pu · CQ 4 · ITU 7 · map ↗
Seen Nov 7, 2004 → Oct 4, 2026 · 97 snapshots · as KC0MZB
Frederick D Duke
3110 22nd St S, Saint Cloud, MN 56301
45.4871, -94.2428 (ZIP center) · Grid EN25vl · CQ 4 · ITU 7 · map ↗

Nets

Net	When	Frequency	Role	Times	Last
YL SYSTEM 3rd period	Weekdays 10:00 AM ET	14332	Checked in	14	2026-09-28
YL SYSTEM SECOND PERIOD	Weekdays 12:00 PM ET	14.332	Checked in	9	2026-09-29
YL SYSTEM 2ND PERIOD	Mon, Wed, Thu, Fri 11:45 AM · Wed, Thu 11:30 AM ET	14.332	Checked in	4	2026-09-28
YL SYSTEM THIRD PERIOD	Wed 10:15 AM · Tue 10:30 AM · Thu 10:45 AM PT	14.332.00	Checked in	2	2026-09-29
YL SYSTEM - WC40 Session TEST	Thu 3:00 PM CT	7.254	Checked in	1	2026-09-03

From nets logged with NetLogger since the start of collection.

Repeaters within 50 miles

51 repeaters within 50 miles of this ZIP code, 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 · center is the ZIP code (approximate) · 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
12.5	KC0TAF	Long Prairie KC0TAF	146.6550	-0.6	none	FM (analog)		—	Long Prairie, MN
14.5	K0VSC	Avon K0VSC	147.1950	+0.6	TSQL 146.2	FM (analog)		—	Avon, MN
14.5	KA0JSW	Little Falls KA0JSW	443.1250	+5	TSQL 123.0	FM (analog)		—	Little Falls, MN
14.5	KA0JSW	Little Falls KA0JSW	443.1750	+5	none	FM (analog)		—	Little Falls, MN
14.6	W0REA	Little Falls W0REA	147.1350	+0.6	TONE 123.0	FM (analog)		—	Little Falls, MN
15.6	W0ALX	Sauk Centre W0ALX	147.2550	+0.6	none	FM (analog)		—	Sauk Centre, MN
17.1	KF0CQX	Little Falls Lin KF0CQX BM	444.2312	+5	CC1	DMR	BrandMeister 313141	—	Little Falls, MN
17.2	W0SV	Avon W0SV	147.1050	+0.6	TSQL 85.4	FM (analog)		—	Avon, MN
17.4	N0RND	Little Falls N0RND	443.0750	+5	TSQL 146.2	FM (analog)		—	Little Falls, MN
18.2	N0BJN	Little Falls N0BJN WIRES-X	443.6500	+5	DG-ID 00-00	Fusion (C4FM)	WIRES-X 30012	—	Little Falls, MN
20.0	K0STC	Avon K0STC EchoLink	147.1050	+0.6	TONE 85.4	FM (analog)	EchoLink 359442	—	Avon, MN
20.0	KG0CV	Avon KG0CV WIRES-X	443.6500	+5	TSQL 85.4	FM (analog) (C4FM,FM)	WIRES-X 28439	—	Avon, MN
21.1	K0VSC	Avon K0VSC	443.5000	+5	TSQL 123.0	FM (analog)		—	Avon, MN
23.0	W0SV	Collegville St W0SV	146.9400	-0.6	TSQL 100.0	FM (analog)		—	Collegville, MN
23.3	W0SV	Collegeville W0SV	147.0150	+0.6	TSQL 100.0	FM (analog)		—	Collegeville, MN
23.3	W0SV	Collegeville W0SV	442.2250	+5	DCS 172	FM (analog) (C4FM,FM)		—	Collegeville, MN
29.8	KG0CV	Cold Spring KG0CV WIRES-X	443.4750	+5	DG-ID 00-00	Fusion (C4FM)	WIRES-X 11975	—	Cold Spring, MN
31.0	N0ANC	Saint Cloud Wtr N0ANC WIRES-X	145.1900	-0.6	DCS 172	FM (analog) (C4FM,FM)	WIRES-X 28054	—	Saint Cloud, MN
31.0	N0ANC	Saint Cloud St N0ANC AllStar	442.1500	+5	DCS 172	FM (analog) (C4FM,FM)	AllStar 429982 WIRES-X 40012	—	Saint Cloud, MN
31.6	KC0ARX	Saint Cloud KC0ARX	442.3250	+5	CC3	DMR		—	Saint Cloud, MN
32.0	NY0I	Paynesville NY0I	444.9000	+5	TSQL 146.2	FM (analog)		—	Paynesville, MN
32.0	KD0YLG	Saint Cloud KD0YLG AllStar	443.8500	+5	DCS 172	FM (analog) (C4FM,DV,FM)	AllStar 49268 EchoLink 619457	—	Saint Cloud, MN
32.1	KD0YLG	Paynesville KD0YLG AllStar	145.2700	-0.6	DCS 172	FM (analog)	AllStar 48650 EchoLink 619457	—	Paynesville, MN
32.4	KD0YLG	Cold Spring KD0YLG	444.8500	+5	none	D-STAR		—	Cold Spring, MN
32.5	W0SAV	Cold Spring W0SAV	442.3000	+5	CC?	DMR		—	Cold Spring, MN
32.6	N0ANC	Cold Spring N0ANC WIRES-X	444.6250	+5	DCS 172	FM (analog) (C4FM,FM)	WIRES-X 11901	—	Cold Spring, MN
33.0	KD0YLG	Paynesville KD0YLG AllStar	224.8000	-1.6	DCS 172	FM (analog)	AllStar 49604 EchoLink 462547	—	Paynesville, MN
33.2	WJ0L	St Cloud WJ0L WIRES-X	442.2250	+5	DG-ID 00-00	Fusion (C4FM)	WIRES-X 99692	—	St. Cloud, MN
33.9	W0ALX	Alexandria W0ALX	146.7900	-0.6	TSQL 146.2	FM (analog) (C4FM,FM)		—	Alexandria, MN
33.9	W0ALX	Alexandria W0ALX	442.0250	+5	TSQL 146.2	FM (analog) (C4FM,FM)		—	Alexandria, MN
34.0	N0GQA	Statewide N0GQA	145.2300	-0.6	TSQL 103.5	FM (analog)		—	Statewide, MN
34.1	N0WN	Bertha Wtr N0WN	147.1200	+0.6	none	FM (analog)		—	Bertha, MN
34.4	K0VSC	Saint Cloud K0VSC	443.4500	+5	TSQL 123.0	FM (analog)		—	Saint Cloud, MN
39.1	KD0NRL	Foley KD0NRL	147.0750	+0.6	TSQL 85.4	FM (analog)		—	Foley, MN
39.1	N0WT	Foley N0WT	442.6250	+5	TSQL 146.2	FM (analog) (C4FM,FM)		—	Foley, MN
40.9	W0UJ	Brainerd W0UJ	53.1100	-1	TSQL 123.0	FM (analog)		—	Brainerd, MN
41.2	W0UJ	Brainerd W0UJ AllStar	145.1300	-0.6	TONE 141.3	FM (analog) (DMR,FM)	AllStar 42508 EchoLink 233515 BrandMeister 313844	—	Brainerd, MN
42.5	W0UJ	Brainerd W0UJ EchoLink	146.7000	-0.6	TONE 141.3	FM (analog) (C4FM,FM)	EchoLink 233515 WIRES-X 30659	—	Brainerd, MN
43.1	W0UJ	Nisswa WJJY W0UJ WIRES-X	443.9250	+5	TSQL 110.9	FM (analog) (C4FM,FM)	WIRES-X 28390 WIRES-X 18390	—	Nisswa, MN
43.1	W0UJ	Nisswa WJJY W0UJ WIRES-X	146.9550	-0.6	TONE 141.3	FM (analog) (C4FM,FM)	WIRES-X 93059	—	Nisswa, MN
47.2	N0GOI	Foreston N0GOI	146.7450	-0.6	TONE 107.2	FM (analog)		—	Foreston, MN
47.2	N0GOI	Foreston N0GOI	443.6750	+5	TONE 114.8	FM (analog)		—	Foreston, MN
49.6	W0SW	Willmar W0SW	146.9100	-0.6	TSQL 100.0	FM (analog)		—	Willmar, MN
49.7	KD0JOU	Milaca KD0JOU AllStar	145.3500	-0.6	DCS 172	FM (analog)	AllStar 429984	—	Milaca, MN
49.9	KD0YLG	Becker EEP Plant KD0YLG AllStar	147.3450	+0.6	DCS 172	FM (analog) (C4FM,FM)	AllStar 42059 EchoLink 619457 IRLP 1000	—	Becker, MN
17.3	W0REA offline	Little Falls W0REA	444.0000	+5	none	D-STAR		—	Little Falls, MN
30.1	WJ0U offline	Cold Spring WJ0U	442.3000	+5	CC3	DMR		—	Cold Spring, MN
30.5	KG0CV offline	Cold Spring KG0CV AllStar	446.0250	simplex	none	FM (analog)	AllStar 40939 AllStar 409390	—	Cold Spring, MN
32.4	WJ0U offline	St Cloud WJ0U BM	442.2250	+5	CC3	DMR	BrandMeister 312731	—	St Cloud, MN
34.1	N0WN offline	Bertha Wtr N0WN EchoLink	444.7500	+5	none	FM (analog)	EchoLink 352243	—	Bertha, MN
48.6	N0WN offline	Deer Creek Wtr N0WN	146.9250	-0.6	none	FM (analog)		—	Deer Creek, MN

Vanity applications

Filed · Award	Applicant	Requested (in order)	Status
Filed Apr 16, 2008 Granted Mar 6, 2018 0003398249	W0DOM · Frederick D Duke · Amateur Extra 314 87 Enchanted Loop, Burtrum, MN 56318 45.8530, -94.6745 (ZIP center) · Grid EN25pu · CQ 4 · ITU 7 · map ↗	1.K0CE ✓ granted	Granted got K0CE
Filed May 31, 2002 Award date was Jun 18, 2002 0000914228	KC0NDQ · Frederick D Duke · General 3110 22nd St S, Saint Cloud, MN 56301 45.4871, -94.2428 (ZIP center) · Grid EN25vl · CQ 4 · ITU 7 · map ↗	1.W0DOM held 2.K0DOG held	Granted