N9TPB FCC License Search

🕒 FCC license data updated today 7:15 am CST (FCC files through Nov 1, 2026) · next update tomorrow 6:00 am CST

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 · old CB calls like KHC1939 or 18Q3518 (1962–63 CB call books) · (205) 546-1767 (1990s CB directory phones)

Brad L Retzlaff

FRN 0018523084 · first licensed Feb 18, 2009 as KC9PCM · 2 licenses on record

📝 FCC Applications (5)

Received	File number	Service	Purpose	Status	Call
Dec 11, 2025	0011826161	HAM	Administrative update	Granted	AB9TU
Feb 25, 2019	0008540123	HAM	Renewal	Granted	AB9TU
May 12, 2009	0003835440	HAM	Modification	Granted	KC9PCM
Mar 31, 2009	0003791947	HAM	Modification	Granted	KC9PCM
Feb 18, 2009	0003742517	HAM	New license	Granted	KC9PCM

Complete Licensing History

📦 Moved: Tomah, WI → Sparta, WI

AB9TU Active Amateur Extra May 12, 2009 → expires Feb 26, 2029

Licensee
Brad L Retzlaff

Address
Attn: Brad Retzlaff
18184 Iceland Road
Sparta, WI 54656
43.9117, -90.8427 (street) · Grid EN43nv · CQ 4 · ITU 7 · map ↗

FRN
0018523084

Previous call
KC9PCM (General)

Last granted
Feb 26, 2019

Effective
Dec 12, 2025

Last action
Dec 12, 2025
FCC actions (4)
- Dec 12, 2025 — Administrative update LIAUA
- Feb 26, 2019 — License renewed LIREN
- May 12, 2009 — Systematic call sign granted SYSGRT
- May 12, 2009 — License issued LIISS
KC9PCM Canceled Amateur Extra Feb 18, 2009 → May 12, 2009 (canceled)

Licensee
Brad L Retzlaff

Address
1700 McLean Ave
Tomah, WI 54660
43.9850, -90.5054 (ZIP center) · Grid EN43rx · CQ 4 · ITU 7 · map ↗

FRN
0018523084

Last granted
Feb 18, 2009

Effective
May 12, 2009

Last action
May 12, 2009
FCC actions (4)
- May 12, 2009 — License canceled LICAN
- Mar 31, 2009 — License modified LIMOD
- Feb 18, 2009 — License issued LIISS
- Feb 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 Sep 27, 2026 → Nov 1, 2026 · 6 snapshots · as AB9TU
Brad L Retzlaff
Attn: Brad Retzlaff
18184 Iceland Road, Sparta, WI 54656
43.9117, -90.8427 (street) · Grid EN43nv · CQ 4 · ITU 7 · map ↗
Seen May 27, 2010 → Nov 1, 2026 · 84 snapshots · as KC9PCM
Brad L Retzlaff
1700 McLean Ave, Tomah, WI 54660
43.9850, -90.5054 (ZIP center) · Grid EN43rx · CQ 4 · ITU 7 · map ↗
Seen May 6, 2019 → Sep 25, 2025 · 12 snapshots · as AB9TU
Brad L Retzlaff
Attn: Brad Retzlaff
27507 Ermine Ave, Tomah, WI 54660
43.9850, -90.5054 (ZIP center) · Grid EN43rx · CQ 4 · ITU 7 · map ↗

Repeaters within 50 Miles

53 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
13.0	KD9JZC	Tomah KD9JZC WIN	147.2400	+0.6	none	D-STAR	WIN	—	Tomah, WI
13.9	WI9WIN	Tomah WI9WIN WIN	444.8000	+5	TSQL 131.8	FM (analog)	WIN	—	Tomah, WI
18.4	KA9BAB	La Crosse Granda KA9BAB	444.9150	+5	none	D-STAR		—	La Crosse, WI
18.4	AB9TS	La Crosse AB9TS	444.4750	+5	TSQL 131.8	FM (analog)		—	La Crosse, WI
18.4	KD9GVS	La Crosse KD9GVS WIRES-X	444.4750	+5	TONE 131.8	FM (analog) (FM,C4FM)	WIRES-X 91814	—	La Crosse, WI
18.5	W9UUM	La Crosse W9UUM FM38	442.3000	+5	TSQL 131.8	FM (analog)	AllStar 610590 FM38 🗓 4 nets	4 nets · 463 check-ins · 254 stations	La Crosse, WI
20.0	W9MVA	La Crosse W9MVA	444.6000	+5	TONE 131.8	FM (analog)		—	La Crosse, WI
21.4	N0EXE	La Crosse Dtwn N0EXE	444.7500	+5	TONE 131.8	FM (analog)		—	La Crosse, WI
22.0	KC9KVE	Tomah KC9KVE	146.8050	-0.6	TSQL 131.8	FM (analog)		—	Tomah, WI
22.9	WX9W	Wyeville WX9W	146.6250	-0.6	TSQL 131.8	FM (analog)		—	Wyeville, WI
24.7	N9ETD	La Crosse N9ETD	147.0900	+0.6	TONE 131.8	FM (analog)		—	La Crosse, WI
24.7	N9TUU	Viroqua N9TUU	145.1700	-0.6	TSQL 131.8	FM (analog)		—	Viroqua, WI
26.5	W9WWV	Black River Fall W9WWV	145.3900	-0.6	TONE 131.8	FM (analog)		—	Black River Falls, WI
27.1	W9UP	La Crosse W9UP WIRES-X	146.9700	-0.6	TSQL 131.8	FM (analog) (C4FM,FM)	WIRES-X 53956	—	La Crosse, WI
27.6	N9TUU	Galesville N9TUU WIN	147.0000	+0.6	TSQL 131.8	FM (analog)	WIN	—	Galesville, WI
27.6	WI9WIN	Galesville WI9WIN	442.5000	+5	TSQL 131.8	FM (analog)		—	Galesville, WI
27.6	N9TUU	Galesville N9TUU WIN	442.5000	+5	none	D-STAR	WIN	—	Galesville, WI
29.3	N9ETD	Reno N9ETD	444.6000	+5	TSQL 131.8	FM (analog)		—	Reno, MN
29.5	KC9GEA	Black River Fall KC9GEA	145.3900	-0.6	TSQL 131.8	FM (analog)		—	Black River Falls, WI
31.9	N9ROY	Black River Fall N9ROY	443.5500	+5	none	D-STAR		—	Black River Falls, WI
31.9	WI9WIN	Black River Fall WI9WIN WIN	443.5500	+5	TSQL 131.8	FM (analog)	WIN	—	Black River Falls, WI
31.9	KB9WQF	Mauston KB9WQF	146.8500	-0.6	TSQL 123.0	FM (analog) (C4FM,FM)	🗓 2 nets	2 nets · 33 check-ins · 11 stations	Mauston, WI
34.1	KD9BLN	Wonewoc KD9BLN	146.7150	-0.6	none	D-STAR		—	Wonewoc, WI
34.1	KD9BLN	Wonewoc KD9BLN	443.6938	+5	none	D-STAR		—	Wonewoc, WI
35.6	KD9BLN	Wonewoc KD9BLN	444.6938	+5	none	D-STAR		—	Wonewoc, WI
37.9	W0NE	Winona W0NE BM	442.1500	+5	TSQL 100.0	FM (analog) (C4FM,DMR,FM)	BrandMeister 313825	—	Winona, MN
38.2	W0NE	Bluff Siding W0NE	146.8350	-0.6	TSQL 131.8	FM (analog) (C4FM,FM)		—	Bluff Siding, WI
40.1	N0QZU	Winona N0QZU	147.2850	+0.6	TSQL 100.0	FM (analog)		—	Winona, MN
40.3	KC9IPY	Necedah KC9IPY	147.2100	+0.6	TSQL 123.0	FM (analog) (C4FM,FM)		—	Necedah, WI
40.5	AD0UU	Winona Sugarloaf AD0UU EchoLink	445.0000	simplex		Fusion (C4FM)	EchoLink 145829 WIRES-X 21884	—	Winona, MN
40.5	W9DMH	Mount Sterling W9DMH	147.3600	+0.6	TSQL 131.8	FM (analog)		—	Mount Sterling, WI
40.7	K9UJH	Necedah K9UJH	444.1250	+5	TSQL 123.0	FM (analog)		—	Necedah, WI
41.3	W0CHP	Winona Minn W0CHP BM	433.8175	+5	CC1	DMR	BrandMeister 317060302 BrandMeister 317060317	—	Winona, Minn., MN
41.3	W0CHP	Winona Minn W0CHP BM	445.3875	in 442.3875	CC1	DMR	BrandMeister 317060303	—	Winona, Minn., MN
42.2	N0QK	Winona N0QK EchoLink	147.5550	simplex	none	FM (analog)	EchoLink 230765 WIRES-X 21955	—	Winona, MN
42.6	W0NE	Winona W0NE	146.6400	-0.6	TSQL 100.0	FM (analog) (C4FM,FM)		—	Winona, MN
43.4	WA0ELW	Winona WA0ELW	147.1500	+0.6	131.8	FM (analog)		—	Winona, MN
45.9	KC9WDW	Richland Center KC9WDW WIN	442.4875	+5	none	D-STAR	WIN	—	Richland Center, WI
45.9	WI9WIN	Richland Center WI9WIN WIN	442.7000	+5	TONE 131.8	FM (analog)	WIN	—	Richland Center, WI
46.0	KC9WDW	Richland Center KC9WDW	442.4688	+5	none	D-STAR		—	Richland Center, WI
46.0	KC9WDW	Richland Center KC9WDW WIN	147.1950	+0.6	none	D-STAR	WIN	—	Richland Center, WI
46.0	KC9WDW	Richland Center KC9WDW	1264.3500	+20	none	D-STAR		—	Richland Center, WI
46.2	W9PVR	Richland Center W9PVR WIN	442.7000	+5	TSQL 131.8	FM (analog)	WIN	—	Richland Center, WI
46.2	W9PVR	Richland Center W9PVR AllStar	146.9100	-0.6	TSQL 131.8	FM (analog) (C4FM,FM)	AllStar 63416 EchoLink 331644	—	Richland Center, WI
47.9	W9EYN	Granton W9EYN	444.0500	+5	TSQL 114.8	FM (analog)		—	Granton, WI
48.0	N9RRF	Granton N9RRF	146.7750	-0.6	TSQL 114.8	FM (analog)		—	Granton, WI
48.1	HA7BJA	Town L0C4T0R HA7BJA BM	439.2750	in 431.6750	CC8	DMR	BrandMeister 216701907	—	Town, L0C4T0R, MN
48.1	BH6SKA	Wuhan BH6SKA BM	434.3000	in 432.3000	CC1	DMR	BrandMeister 4613822	—	Wuhan, MN
48.2	N9MGR	Arkdale N9MGR BM	442.1250	+5	CC0	DMR	BrandMeister 314082	—	Arkdale, WI
48.4	W9WCA	Pittsville W9WCA	444.0250	+5	TSQL 114.8	FM (analog) (FM,C4FM)		—	Pittsville, WI
21.4	W9UUM Offline	La Crosse W9UUM IRLP	444.7500	+5	TSQL 131.8	FM (analog)	IRLP 4994	—	La Crosse, WI
28.4	N0EXE Offline	Galesville N0EXE IRLP	446.0250	simplex	TSQL 131.8	FM (analog)	IRLP 8136	—	Galesville, WI
40.7	W0NE Offline	Winona W0NE	444.2250	+5	TSQL 100.0	FM (analog) (C4FM,FM)		—	Winona, MN