N9TPB FCC License Search

🕒 FCC license data updated today 7:15 am CDT (FCC files through Oct 5, 2026) · next update today 8:30 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

MICHAEL D BYERS

FRN 0019840297 · first licensed May 14, 2010 as KD8OAH · 1 license on record

📝 FCC applications (10)

Received	File number	Service	Purpose	Status	Call
Jul 31, 2023	0010636442	HAM	Modification	Dismissed	KD8OAH
May 14, 2020	0009078661	HAM	Renewal	Granted	KD8OAH
May 13, 2019	0008638884	HAM	Modification	Granted	KD8OAH
Jan 27, 2016	0007116969	HAM	Duplicate license	Granted	KD8OAH
Dec 28, 2015	0007074995	HAM	Administrative update	Granted	KD8OAH
Sep 5, 2013	0005920268	HAM	Administrative update	Granted	KD8OAH
Feb 22, 2013	0005662974	HAM	Administrative update	Granted	KD8OAH
Jun 16, 2011	0004768211	HAM	Modification	Granted	KD8OAH
Sep 22, 2010	0004397124	HAM	Administrative update	Granted	KD8OAH
May 14, 2010	0004248214	HAM	New license	Granted	KD8OAH

Complete licensing history

KD8OAH Active Amateur Extra May 14, 2010 → expires May 15, 2030

Licensee
MICHAEL D BYERS

Address
3717 Mormon Coulee Rd Apt 100
La Crosse, WI 54601
43.7781, -91.2228 (street) · Grid EN43js · CQ 4 · ITU 7 · map ↗

FRN
0019840297

Last granted
May 15, 2020

Effective
May 15, 2020

Last action
May 15, 2020
FCC actions (9)
- May 15, 2020 — License renewed LIREN
- May 13, 2019 — License modified LIMOD
- Dec 29, 2015 — Administrative update LIAUA
- Sep 6, 2013 — Administrative update LIAUA
- Feb 23, 2013 — Administrative update LIAUA
- Jun 16, 2011 — License modified LIMOD
- Sep 23, 2010 — Administrative update LIAUA
- May 14, 2010 — License issued LIISS
- May 14, 2010 — 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 Jan 14, 2016 → Oct 4, 2026 · 30 snapshots · as KD8OAH
MICHAEL D BYERS
3717 Mormon Coulee Rd Apt 100, La Crosse, WI 54601
43.7781, -91.2228 (street) · Grid EN43js · CQ 4 · ITU 7 · map ↗
Seen Oct 22, 2013 → Nov 16, 2015 · 9 snapshots · as KD8OAH
MICHAEL D BYERS
3715 Mormon Coulee Rd Apt 106, La Crosse, WI 54601
43.8062, -91.1406 (ZIP center) · Grid EN43kt · CQ 4 · ITU 7 · map ↗
Seen Apr 6, 2013 → Apr 12, 2013 · 2 snapshots · as KD8OAH
MICHAEL D BYERS
PO Box 11443
El Paso, TX 79995
Seen Oct 17, 2011 → Feb 18, 2013 · 5 snapshots · as KD8OAH
MICHAEL D BYERS
912 N 3rd St, Ishpeming, MI 49849-1102
46.4257, -87.7714 (ZIP center) · Grid EN66ck · CQ 4 · ITU 8 · map ↗
Seen May 27, 2010 · 1 snapshot · as KD8OAH
MICHAEL D BYERS
504 NORWAY STR, IRON MOUNTAIN, MI 49801
45.9272, -88.0158 (ZIP center) · Grid EN55xw · CQ 4 · ITU 8 · map ↗

Repeaters within 50 miles

38 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
2.7	N0EXE	La Crosse Dtwn N0EXE	444.7500	+5	TONE 131.8	FM (analog)		—	La Crosse, WI
3.2	W9MVA	La Crosse W9MVA	444.6000	+5	TONE 131.8	FM (analog)		—	La Crosse, WI
3.2	KA9BAB	La Crosse Granda KA9BAB	444.9150	+5	none	D-STAR		—	La Crosse, WI
3.6	N9ETD	La Crosse N9ETD	147.0900	+0.6	TONE 131.8	FM (analog)		—	La Crosse, WI
5.1	KD9GVS	La Crosse KD9GVS WIRES-X	444.4750	+5	TONE 131.8	FM (analog) (FM,C4FM)	WIRES-X 91814	—	La Crosse, WI
5.1	AB9TS	La Crosse Mathy AB9TS	444.4750	+5	TSQL 131.8	FM (analog)		—	La Crosse, WI
5.1	W9UUM	La Crosse W9UUM FM38	442.3000	+5	TSQL 131.8	FM (analog)	AllStar 610590 FM38 🗓 4 nets	4 nets	La Crosse, WI
7.5	W9UP	La Crosse WXOW W9UP WIRES-X	146.9700	-0.6	TSQL 131.8	FM (analog) (C4FM,FM)	WIRES-X 53956	—	La Crosse, WI
10.5	N9ETD	Reno N9ETD	444.6000	+5	TSQL 131.8	FM (analog)		—	Reno, MN
22.4	N9TUU	Galesville N9TUU WIN	442.5000	+5	none	D-STAR	WIN	—	Galesville, WI
22.4	N9TUU	Galesville WKBT N9TUU WIN	147.0000	+0.6	TSQL 131.8	FM (analog)	WIN	—	Galesville, WI
22.4	WI9WIN	Galesville WKBT WI9WIN	442.5000	+5	TSQL 131.8	FM (analog)		—	Galesville, WI
22.4	W0NE	Winona W0NE BM	442.1500	+5	TSQL 100.0	FM (analog) (C4FM,DMR,FM)	BrandMeister 313825	—	Winona, MN
22.5	N9TUU	Viroqua Wtr N9TUU	145.1700	-0.6	TSQL 131.8	FM (analog)		—	Viroqua, WI
25.2	W0CHP	Winona Minn W0CHP BM	433.8175	+5	CC1	DMR	BrandMeister 317060302	—	Winona, Minn., MN
27.0	W0NE	Bluff Siding KHM W0NE	146.8350	-0.6	TSQL 131.8	FM (analog) (C4FM,FM)		—	Bluff Siding, WI
27.1	AD0UU	Winona Sugarloaf AD0UU EchoLink	445.0000	simplex		Fusion (C4FM)	EchoLink 145829 WIRES-X 21884	—	Winona, MN
27.2	N0QZU	Winona N0QZU	147.2850	+0.6	TSQL 100.0	FM (analog)		—	Winona, MN
29.2	W0NE	Winona W0NE	146.6400	-0.6	TSQL 100.0	FM (analog) (C4FM,FM)		—	Winona, MN
29.3	N0QK	Winona N0QK EchoLink	147.5550	simplex	none	FM (analog)	EchoLink 230765 WIRES-X 21955	—	Winona, MN
29.4	WA0ELW	Winona WA0ELW	147.1500	+0.6	131.8	FM (analog)		—	Winona, MN
33.0	KD9JZC	Tomah Magnum KD9JZC WIN	147.2400	+0.6	none	D-STAR	WIN	—	Tomah, WI
33.6	WI9WIN	Tomah W.I.N WI9WIN WIN	444.8000	+5	TSQL 131.8	FM (analog)	WIN	—	Tomah, WI
34.4	W9DMH	Mount Sterling W9DMH	147.3600	+0.6	TSQL 131.8	FM (analog)		—	Mount Sterling, WI
37.8	W1JWC	Lanesboro W1JWC EchoLink	145.7250	simplex	TONE 114.8	FM (analog)	EchoLink 546874	—	Lanesboro, MA
38.9	KC9KVE	Tomah Kendall KC9KVE	146.8050	-0.6	TSQL 131.8	FM (analog)		—	Tomah, WI
40.2	W9WWV	Black River Fall W9WWV	145.3900	-0.6	TONE 131.8	FM (analog)		—	Black River Falls, WI
41.5	KC9GEA	Blac BRF Club / KC9GEA	145.3900	-0.6	TSQL 131.8	FM (analog)		—	Black River Falls, WI
43.8	WX9W	Wyeville PC Farm WX9W	146.6250	-0.6	TSQL 131.8	FM (analog)		—	Wyeville, WI
44.5	K0RTF	Decorah K0RTF	146.6700	-0.6	TONE 103.5	FM (analog)		—	Decorah, IA
45.2	N9ROY	Black River Fall N9ROY	443.5500	+5	none	D-STAR		—	Black River Falls, WI
45.2	WI9WIN	Black Hart/Lund WI9WIN WIN	443.5500	+5	TSQL 131.8	FM (analog)	WIN	—	Black River Falls, WI
48.7	WE9COM	Gilmanton WE9COM	145.4300	-0.6	TSQL 131.8	FM (analog)		—	Gilmanton, WI
49.9	KE1THA	Prairie du Chien KE1THA	446.4500	simplex	TONE 114.8	FM (analog)		—	Prairie du Chien, WI
50.0	KB9WQF	Mauston Johnson KB9WQF	146.8500	-0.6	TSQL 123.0	FM (analog) (C4FM,FM)	🗓 2 nets	2 nets · 19 check-ins · 10 stations	Mauston, WI
2.7	W9UUM offline	La Crosse W9UUM IRLP	444.7500	+5	TSQL 131.8	FM (analog)	IRLP 4994	—	La Crosse, WI
22.1	N0EXE offline	Galesville N0EXE IRLP	446.0250	simplex	TSQL 131.8	FM (analog)	IRLP 8136	—	Galesville, WI
28.0	W0NE offline	Winona W0NE	444.2250	+5	TSQL 100.0	FM (analog) (C4FM,FM)		—	Winona, MN

Vanity applications

Filed · Award	Applicant	Requested (in order)	Status
Filed Jul 31, 2023 Award date was Aug 18, 2023 0010636442	KD8OAH · MICHAEL D BYERS I · Amateur Extra Attn: Michael D Byers · 3717 Mormon Coulee Rd Apt 100, La Crosse, WI 54601 43.7781, -91.2228 (street) · Grid EN43js · CQ 4 · ITU 7 · map ↗	1.K8NL held 2.K8NF held 3.K8NLD held	Dismissed