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

DUANE L MARTIN

FRN 0019424050 · first licensed Dec 18, 2009 as KD0JSJ · 2 licenses on record

📝 FCC applications (7)

Received	File number	Service	Purpose	Status	Call
Dec 16, 2020	0009335831	HAM	Renewal	Granted	KK0KK
Sep 14, 2020	0009220996	HAM	Administrative update	Granted	KK0KK
Jan 20, 2011	0004580595	HAM	Modification	Granted	KD0JSJ
Jan 18, 2011	0004576500	HAM	Modification	Granted	KD0JSJ
Jun 30, 2010	0004305872	HAM	Modification	Dismissed	KD0JSJ
Jan 28, 2010	0004107295	HAM	Modification	Granted	KD0JSJ
Dec 18, 2009	0004070595	HAM	New license	Granted	KD0JSJ

Complete licensing history

📦 Moved: Clear Lake, SD → Altamont, SD

KK0KK Active Amateur Extra · vanity Feb 8, 2011 → expires Feb 8, 2031

Licensee
DUANE L MARTIN

Address
17945 SD HIGHWAY 15
ALTAMONT, SD 57226
44.7839, -96.6828 (street) · Grid EN14ps · CQ 4 · ITU 7 · map ↗

FRN
0019424050

Previous call
KD0JSJ (General)

Last granted
Dec 17, 2020

Effective
Dec 17, 2020

Last action
Dec 17, 2020
FCC actions (4)
- Dec 17, 2020 — License renewed LIREN
- Sep 15, 2020 — Administrative update LIAUA
- Feb 8, 2011 — Vanity call sign granted VANGRT
- Feb 8, 2011 — License issued LIISS
KD0JSJ Canceled Amateur Extra Dec 18, 2009 → Feb 8, 2011 (canceled)

Licensee
DUANE L MARTIN

Address
17945 SO HIGHWAY 15
CLEAR LAKE, SD 57226
44.7881, -96.7306 (ZIP center) · Grid EN14ps · CQ 4 · ITU 7 · map ↗

FRN
0019424050

Last granted
Dec 18, 2009

Effective
Jan 18, 2011

Last action
Feb 8, 2011
FCC actions (5)
- Feb 8, 2011 — License canceled LICAN
- Jan 18, 2011 — License modified LIMOD
- Jan 28, 2010 — License modified LIMOD
- Dec 18, 2009 — License issued LIISS
- Dec 18, 2009 — Systematic call sign granted SYSGRT

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 KK0KK
DUANE L MARTIN
17945 SD HIGHWAY 15, ALTAMONT, SD 57226
44.7839, -96.6828 (street) · Grid EN14ps · CQ 4 · ITU 7 · map ↗
Seen May 27, 2010 → Oct 4, 2026 · 80 snapshots · as KD0JSJ
DUANE L MARTIN
17945 SO HIGHWAY 15, CLEAR LAKE, SD 57226
44.7881, -96.7306 (ZIP center) · Grid EN14ps · CQ 4 · ITU 7 · map ↗

Repeaters within 50 miles

16 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
6.0	K0BBC	Clear Lake Bar-X K0BBC	444.3000	+5	TSQL 136.5	FM (analog) (FM,C4FM)		—	Clear Lake, SD
10.5	KC0OVC	Toronto KC0OVC	146.7750	-0.6	TONE 146.2	FM (analog)		—	Toronto, SD
19.0	KE0WPC	Toronto KE0WPC	443.0750	+5	TSQL 141.3	FM (analog)		—	Toronto, SD
19.0	KE0WPC	Toronto KE0WPC AllStar	446.2500	simplex	TONE 146.2	FM (analog)	AllStar 632881	—	Toronto, SD
23.0	W0WTN	Watertown W0WTN	146.8500	-0.6	TSQL 67.0	FM (analog)		—	Watertown, SD
23.2	K0TY	Watertown K0TY	442.0000	+5	TSQL 146.2	FM (analog)		—	Watertown, SD
24.8	W0BXO	Brookings W0BXO EchoLink	146.9400	-0.6	TONE 110.9	FM (analog)	EchoLink 409605	—	Brookings, SD
29.3	K0LQP	Madison K0LQP EchoLink	146.7300	-0.6	TONE 146.2	FM (analog) (C4FM,FM)	EchoLink 275196	—	Madison, MN
29.4	KB0LCR	Watertown KB0LCR BM	443.7250	+5	CC1	DMR	BrandMeister 312336	—	Watertown, SD
37.8	NY0I	Ortonville NY0I	444.5000	+5	TONE 146.2	FM (analog) (C4FM,FM)		—	Ortonville, MN
47.8	NY0I	Montevideo NY0I	147.1200	+0.6	TSQL 146.2	FM (analog) (C4FM,FM)		—	Montevideo, MN
49.1	KB0WSV	Colman KB0WSV	443.2250	+5	TONE 146.2	FM (analog)		—	Colman, SD
22.0	W0WTN offline	Castlewood W0WTN	443.1000	+5	TSQL 146.2	FM (analog) (FM,C4FM)		—	Castlewood, SD
34.0	N0VEK offline	Volga N0VEK WIRES-X	444.0500	+5	TSQL 136.5	FM (analog) (FM,C4FM)	WIRES-X 11225	—	Volga, SD
44.2	WB6AMY offline	Tyler WB6AMY	145.1100	-0.6	TONE 146.2	FM (analog)		—	Tyler, MN
44.4	KB0NLY offline	Tyler KB0NLY EchoLink	444.6750	+5	TONE 136.5	FM (analog) (C4FM,FM)	EchoLink 573818	—	Tyler, MN

Vanity applications

Filed · Award	Applicant	Requested (in order)	Status
Filed Jan 20, 2011 Granted Dec 17, 2020 0004580595	KD0JSJ · DUANE L MARTIN · Amateur Extra 17945 SO HIGHWAY 15, CLEAR LAKE, SD 57226 44.7881, -96.7306 (ZIP center) · Grid EN14ps · CQ 4 · ITU 7 · map ↗	1.KK0KK ✓ granted 2.KD0DK held 3.KC0CK	Granted got KK0KK
Filed Jun 30, 2010 Award date was Jul 18, 2010 0004305872	KD0JSJ · DUANE L MARTIN · General 17945 SO HIGHWAY 15, CLEAR LAKE, SD 57226 44.7881, -96.7306 (ZIP center) · Grid EN14ps · CQ 4 · ITU 7 · map ↗	1.KD0DK held 2.KC0CK	Dismissed