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

MARTIN R HARRISON

FRN 0021308341 · first licensed Apr 16, 2012 as KK4IOV · 2 licenses on record

📝 FCC applications (9)

Received	File number	Service	Purpose	Status	Call
Apr 7, 2025	0011516116	HAM	Administrative update	Granted	W4LFX
May 13, 2024	0011069513	HAM	Administrative update	Granted	W4LFX
Nov 10, 2022	0010274824	HAM	Administrative update	Granted	W4LFX
May 23, 2022	0010060044	HAM	Renewal	Granted	W4LFX
May 13, 2016	0007264751	HAM	Administrative update	Granted	W4LFX
May 14, 2013	0005779052	HAM	Administrative update	Granted	W4LFX
May 15, 2012	0005218220	HAM	Modification	Granted	KK4IOV
May 15, 2012	0005212561	HAM	Modification	Granted	KK4IOV
Apr 16, 2012	0005167126	HAM	New license	Granted	KK4IOV

Complete licensing history

📦 Moved: Naples, FL → Galena, IL

W4LFX Active General · vanity Jun 2, 2012 → expires Jun 2, 2032

Licensee
MARTIN R HARRISON

Address
17 Signal Point Lane
Galena, IL 61036
42.4083, -90.3135 (street) · Grid EN42uj · CQ 4 · ITU 7 · map ↗

FRN
0021308341

Previous call
KK4IOV (Technician)

Last granted
May 24, 2022

Effective
Apr 8, 2025

Last action
Apr 8, 2025
FCC actions (8)
- Apr 8, 2025 — Administrative update LIAUA
- May 14, 2024 — Administrative update LIAUA
- Nov 11, 2022 — Administrative update LIAUA
- May 24, 2022 — License renewed LIREN
- May 14, 2016 — Administrative update LIAUA
- May 15, 2013 — Administrative update LIAUA
- Jun 2, 2012 — Vanity call sign granted VANGRT
- Jun 2, 2012 — License issued LIISS
KK4IOV Canceled General Apr 16, 2012 → Jun 2, 2012 (canceled)

Licensee
MARTIN R HARRISON

Address
14250 MANCHESTER DR
NAPLES, FL 34114
25.9542, -81.5734 (ZIP center) · Grid EL95fw · CQ 5 · ITU 8 · map ↗

FRN
0021308341

Last granted
Apr 16, 2012

Effective
May 15, 2012

Last action
Jun 2, 2012
FCC actions (4)
- Jun 2, 2012 — License canceled LICAN
- May 15, 2012 — License modified LIMOD
- Apr 16, 2012 — License issued LIISS
- Apr 16, 2012 — 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 25, 2025 → Oct 4, 2026 · 5 snapshots · as W4LFX
MARTIN R HARRISON
17 Signal Point Lane, Galena, IL 61036
42.4083, -90.3135 (street) · Grid EN42uj · CQ 4 · ITU 7 · map ↗
Seen May 28, 2012 → Oct 4, 2026 · 48 snapshots · as KK4IOV
MARTIN R HARRISON
14250 MANCHESTER DR, NAPLES, FL 34114
25.9542, -81.5734 (ZIP center) · Grid EL95fw · CQ 5 · ITU 8 · map ↗
Seen Jul 1, 2024 → Mar 13, 2025 · 6 snapshots · as W4LFX
MARTIN R HARRISON
2900 Thomas Ave S Apt 2105, Minneapolis, MN 55416
44.9494, -93.3410 (ZIP center) · Grid EN34hw · CQ 4 · ITU 7 · map ↗
Seen Apr 27, 2024 · 1 snapshot · as W4LFX
MARTIN R HARRISON
753 Serpentine Dr, Fairhope, AL 36532
30.4807, -87.8613 (ZIP center) · Grid EM60bl · CQ 4 · ITU 8 · map ↗
Seen Jun 30, 2016 → Apr 16, 2022 · 14 snapshots · as W4LFX
MARTIN R HARRISON
836 Forest Edge Drive, Jordan, MN 55352
44.6515, -93.5926 (ZIP center) · Grid EN34ep · CQ 4 · ITU 7 · map ↗
Seen Oct 22, 2013 → Mar 16, 2016 · 13 snapshots · as W4LFX
MARTIN R HARRISON
72 PEBBLE BEACH BLVD, NAPLES, FL 34113
26.0436, -81.7324 (ZIP center) · Grid EL96db · CQ 5 · ITU 8 · map ↗

Repeaters within 50 miles

36 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
7.8	W9SBA	Elizabeth W9SBA	147.3300	+0.6	TSQL 250.3	FM (analog)		—	Elizabeth, IL
10.6	KD9HAE	Hazel Green KD9HAE	443.0688	+5	CC?	DMR		—	Hazel Green, WI
17.4	N9PNO	Dubuque N9PNO	444.2250	+5	none	D-STAR		—	Dubuque, IA
18.8	K0JXC	Springbrook K0JXC	147.0600	+0.6	TSQL 192.8	FM (analog) (FM,C4FM)		—	Springbrook, IA
21.0	KD9HAE	dubuque KD9HAE BM	443.2000	+5	CC1	DMR	BrandMeister 311935 BrandMeister 315541	—	dubuque, IA
21.0	KD9HAE	Dubuque KD9HAE BM	444.0500	+5	CC0	DMR	BrandMeister 311951	—	Dubuque, IA
22.6	W0OIC	Dubuque W0OIC WIRES-X	146.7900	-0.6	TSQL 103.5	FM (analog) (C4FM,FM)	WIRES-X 30870	—	Dubuque, IA
22.8	KC9KQ	Platteville Sout KC9KQ	444.3250	+5	TSQL 131.8	FM (analog)		—	Platteville, WI
24.1	W9UWP	Platteville W9UWP	444.1750	+5	TONE 131.8	FM (analog)		—	Platteville, WI
24.3	W0DBQ	Dubuque Co EOC W0DBQ EchoLink	147.2400	+0.6	TSQL 103.5	FM (analog) (FM,C4FM)	EchoLink 441349	—	Dubuque, IA
24.8	KA9WAM	Platteville KA9WAM WIN	442.2000	+5	none	D-STAR	WIN	—	Platteville, WI
24.8	WI9WIN	Platteville Badg WI9WIN	442.2000	+5	TSQL 123.0	FM (analog)		—	Platteville, WI
33.7	KO9LR	Monroe WEKZ FM KO9LR	145.1100	-0.6	TSQL 123.0	FM (analog)		—	Monroe, WI
36.2	KB9RNT	Freeport KB9RNT	147.3900	+0.6	TSQL 114.8	FM (analog)		—	Freeport, IL
36.2	W9SBA	Freeport W9SBA	442.0000	+5	TSQL 146.2	FM (analog)		—	Freeport, IL
36.2	KB9RNT	Freeport KB9RNT	443.2750	+5	TSQL 114.8	FM (analog)		—	Freeport, IL
36.3	W9FN	Monroe W9MUP 1-A W9FN	224.9200	-1.6	TSQL 123.0	FM (analog)		—	Monroe, WI
36.3	W9MUP	Monroe W9MUP	443.5250	+5	TSQL 123.0	FM (analog) (C4FM,FM)		—	Monroe, WI
36.3	W9MUP	Monroe W9MUP	147.3450	+0.6	TSQL 123.0	FM (analog)		—	Monroe, WI
36.3	W9MUP	Monroe W9MUP	52.9700	in 51.2700	TSQL 123.0	FM (analog)		—	Monroe, WI
36.3	W9MUP	Monroe W9MUP	927.4000	-25	TSQL 123.0	FM (analog)		—	Monroe, WI
36.9	K9TSU	Monroe K9TSU	147.3450	+0.6	TSQL 123.0	FM (analog) (FM,C4FM,P25)		—	Monroe, WI
37.2	KE0OSQ	Holy Cross KE0OSQ BM	433.0200	-0.6	CC1	DMR	BrandMeister 312986	—	Holy Cross, IA
39.2	W0CS	Clinton W0CS	145.4300	-0.6	TSQL 100.0	FM (analog)		—	Clinton, IA
39.2	KD0WY	Clinton KD0WY internet	147.3150	+0.6	TSQL 114.8	FM (analog) (C4FM,DMR,FM)	WIRES-X 84361 internet	—	Clinton, IA
39.3	N9WSQ	Freeport N9WSQ	147.3000	+0.6	TSQL 88.5	FM (analog)		—	Freeport, IL
39.5	KN0BS	Clinton KN0BS	224.1800	-1.6	TONE 136.5	FM (analog)		—	Clinton, IA
39.8	WI9WIN	Hollandale W.I.N WI9WIN	444.5500	+5	TSQL 123.0	FM (analog)		—	Hollandale, WI
39.8	WI9WIN	Hollandale W.I.N WI9WIN	147.2850	+0.6	none	D-STAR		—	Hollandale, WI
39.9	N0WLU	Beetown N0WLU EchoLink	146.8950	-0.6	TSQL 114.8	FM (analog)	EchoLink 930729	—	Beetown, WI
40.1	WE9COM	Dodgeville Iowa WE9COM	145.2300	-0.6	TSQL 123.0	FM (analog)		—	Dodgeville, WI
40.5	W9BG	Blancha N9MW QTH W9BG	444.7750	+5	TSQL 123.0	FM (analog)		—	Blanchardville, WI
45.0	KA9QYS	Morrison KA9QYS	145.2100	-0.6	TSQL 114.8	FM (analog) (FM,C4FM)		—	Morrison, IL
46.8	no call listed	Barneveld Wisconsin	444.0500	+5	TONE 123.0	FM (analog)	🗓 1 net	1 net	Barneveld, WI
47.6	KB9DBG	Polo KB9DBG	147.0450	+0.6	TSQL 74.4	FM (analog)		—	Polo, IL
48.1	N0LGM	Wheatland N0LGM	146.7300	-0.6	TSQL 94.8	FM (analog) (FM,C4FM)		—	Wheatland, IA

Vanity applications

Filed · Award	Applicant	Requested (in order)	Status
Filed May 15, 2012 Granted May 24, 2022 0005218220	KK4IOV · MARTIN R HARRISON · General 14250 MANCHESTER DR, NAPLES, FL 34114 25.9542, -81.5734 (ZIP center) · Grid EL95fw · CQ 5 · ITU 8 · map ↗	1.W4LFX ✓ granted 2.K4LFX	Granted got W4LFX