N9TPB FCC License Search

🕒 FCC license data updated yesterday 7:16 am CDT (FCC files through Oct 7, 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 · old CB calls like KHC1939 or 18Q3518 (1962–63 CB call books) · (205) 546-1767 (1990s CB directory phones)

WD0DDU HAM

Amateur Extra class licensed since 1987 (39 yrs) Joplin, MO Grid EM27rc eQSL AG 66 repeaters within 50 mi

🔒 Not available — currently licensed, through Nov 29, 2036. If it isn't renewed, it opens for vanity requests Nov 30, 2038.

📬 QSL: no LoTW uploads on record · eQSL AG member · QRZ · HamQTH

Currently held by LAYNE S CAMPBELL · 1 holder on record

Current holder: LAYNE S CAMPBELL

Held WD0DDU Feb 3, 1987 → present · first licensed Feb 3, 1987 as WD0DDU · 1 license · FRN 0004834685
📖 In the printed callbooks since 1980 as WD0DDU, before the FCC's online records

WD0DDU Active Amateur Extra Feb 3, 1987 → expires Nov 29, 2036

Licensee
LAYNE S CAMPBELL

Address
4239 W DOGWOOD LN
JOPLIN, MO 64801-5904
37.1153, -94.5659 (street) · Grid EM27rc · CQ 4 · ITU 7 · map ↗

FRN
0004834685

Last granted
Sep 19, 2026

Effective
Sep 21, 2026

Last action
Sep 21, 2026
FCC actions (6)
- Sep 21, 2026 — Administrative update LIAUA
- Sep 19, 2026 — License renewed LIREN
- Sep 2, 2016 — License renewed LIREN
- Aug 31, 2006 — License renewed LIREN
- Feb 27, 2001 — License modified LIMOD
- Feb 27, 2001 — FCC action LITIN

Callbook Records, 1993–2003

From the FCC amateur database as published on the QRZ! callsign CD-ROMs, 1993–2003, before and alongside the FCC's online records (which start in 1999). "Seen" dates are the first and last disc showing that record; the issue date is the FCC's, so it can be a renewal of an even older license.

Seen Apr 13, 2001 → Apr 17, 2003 · 5 discs
WD0DDU · Amateur Extra · issued Feb 27, 2001, expires Nov 29, 2006
LAYNE S. . CAMPBELL .
4239 W DOGWOOD LN, JOPLIN, MO 64801
Seen Apr 4, 1997 → Oct 31, 2000 · 7 discs
WD0DDU · Advanced · issued Mar 21, 1997, expires Nov 29, 2006
LAYNE S. CAMPBELL
4239 W DOGWOOD LN, JOPLIN, MO 64801
Seen Sep 9, 1993 → Oct 27, 1996 · 7 discs
WD0DDU · Advanced · issued Feb 3, 1987, expires Feb 3, 1997
LAYNE S CAMPBELL
ROUTE 6 BOX 605, JOPLIN, MO 64801

Address history

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

Seen Nov 7, 2004 → Oct 4, 2026 · 48 snapshots · as WD0DDU
LAYNE S CAMPBELL
4239 W DOGWOOD LN, JOPLIN, MO 64801-5904
37.1153, -94.5659 (street) · Grid EM27rc · CQ 4 · ITU 7 · map ↗

WD0DDU in the Printed Callbooks, 1909–1997

From scanned copies of the printed callbooks (government lists from 1913, then the Radio Amateur Callbook to 1997), read by OCR, so names and streets can carry typos. Each line is one or more editions in a row showing the same name at the same address.

1994 · 1 edition
WD0DDU · class A
Layne S Campbell
Rt 6 Box 605, Joplin, MO 64801
1994 p.20
1986 · 1 edition
WD0DDU · class A
Layne S Campbell
Route B Box 94, Joplin, MO 64801
Winter 1986 p.19
1980 → 1985 · 4 editions
WD0DDU · class A
Layne S Campbell
Route 6 Box 394, Joplin, MO 64801
Winter 1980 p.24, 1981 p.1045, Winter 1982 p.25, Winter 1985 p.21

📡 On the Air: APRS, Digital & WSPR Spots

No APRS positions, PSK Reporter reports or WSPR spots for WD0DDU in the last 24 hours. They show up here within seconds of WD0DDU beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.

Repeaters within 50 Miles

66 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
2.4	W0WC	Joplin W0WC BM	439.5500	-5	CC1	DMR	BrandMeister 312930101	—	Joplin, MO
2.8	N0NMS	Joplin N Middle N0NMS BM	443.5000	+5	CC5	DMR	BrandMeister 314444	—	Joplin, MO
3.3	WB0IYC	Joplin WB0IYC	147.0000	+0.6	TONE 100.0	FM (analog)		—	Joplin, MO
3.5	N0ARM	Joplin N0ARM	444.6250	+5	TSQL 91.5	FM (analog) (DV,FM)		—	Joplin, MO
3.6	KB0STN	Joplin KB0STN	53.2500	in 51.5500	none	FM (analog)		—	Joplin, MO
3.6	WB0UPB	Joplin WB0UPB	443.4750	+5	none	FM (analog)		—	Joplin, MO
3.6	W0IN	Joplin W0IN BM	444.5000	+5	CC5	DMR	BrandMeister 310321	—	Joplin, MO
3.6	N0NWS	Joplin N0NWS EchoLink	145.3500	-0.6	TSQL 91.5	FM (analog) (FM,P25)	EchoLink 291849	—	Joplin, MO
3.6	N0NWS	Joplin N0NWS	444.6250	+5	TSQL 91.5	FM (analog)		—	Joplin, MO
4.5	K5VHM	Joplin K5VHM BM	444.0750	+5	CC1	DMR	BrandMeister 314685	—	Joplin, MO
4.5	N0ARM	Joplin N0ARM	147.4500	+1	none	D-STAR		—	Joplin, MO
6.6	W0IN	Joplin W0IN	147.2100	+0.6	TSQL 91.5	FM (analog)		—	Joplin, MO
7.0	N0ZSG	Galena N0ZSG BM	447.0000	-5	CC1	DMR	BrandMeister 311437	—	Galena, KS
14.0	W0IN	Carthage W0IN	145.1900	-0.6	TSQL 91.5	FM (analog)		—	Carthage, MO
14.7	W0LF	Carthage W0LF	442.3250	+5	TSQL 91.5	FM (analog)		—	Carthage, MO
14.7	K0NXA Listed as K0NXA 443.775	Carthage MSHP K0NXA BM	443.7750	+5	CC5	DMR	BrandMeister 314297 BrandMeister 314296	—	Carthage, MO
14.7	W0LF	Carthage W0LF	146.8800	-0.6	TSQL 91.5	FM (analog)		—	Carthage, MO
18.1	K0KWC	Pittsburg K0KWC	146.9400	-0.6	TSQL 91.5	FM (analog) (FM,C4FM)		—	Pittsburg, KS
19.7	K0NXA	Granby MSHP K0NXA AllStar	145.3900	-0.6	TSQL 91.5	FM (analog) (FM,P25)	AllStar 565502 EchoLink 113667	—	Granby, MO
20.2	K0PRO	Pittsburg K0PRO KS-DMR	146.9400	-0.6	TSQL 91.5	FM (analog) (C4FM,DMR,FM)	KS-DMR	—	Pittsburg, KS
20.3	KC0NJZ	Neosho KC0NJZ	146.8050	-0.6	TSQL 127.3	FM (analog)		—	Neosho, MO
20.3	KC0NQE	Neosho KC0NQE BM	444.5250	+5	TSQL 127.3	FM (analog) (DMR,FM)	BrandMeister 312929	—	Neosho, MO
20.3	KC0NJZ	Neosho KC0NJZ	444.5250	+5	TSQL 91.5	FM (analog)		—	Neosho, MO
21.8	K0SEC	Pittsburg K0SEC	52.8300	-0.6	TSQL 91.5	FM (analog)		—	Pittsburg, KS
21.8	K0SEC	Pittsburg K0SEC	442.6750	+5		Fusion (C4FM)		—	Pittsburg, KS
21.8	KM0HP	Joplin/Granby KM0HP	145.3900	-0.6	TSQL 91.5	FM (analog)		—	Joplin/Granby, MO
21.8	K0PRO	Pittsburg K0PRO KS-DMR	444.8000	+5	CC1	DMR	KS-DMR	—	Pittsburg, KS
23.3	K0SEK	Pittsburg K0SEK WIRES-X	442.6750	+5	TSQL 91.5	FM (analog) (FM,C4FM)	WIRES-X 36341	—	Pittsburg, KS
27.8	AD5IK	Miami AD5IK	145.3300	-0.6		Fusion (C4FM)		—	Miami, OK
28.1	K0NXA	Golden City MSHP K0NXA AllStar	146.7900	-0.6	TSQL 91.5	FM (analog) (FM,P25)	AllStar 565502 EchoLink 113667	—	Golden City, MO
28.1	K0NXA	Golden City MSHP K0NXA	444.7500	+5	TSQL 91.5	FM (analog) (FM,P25)		—	Golden City, MO
29.9	W0GMM	Fairland W0GMM	147.2850	+0.6	TSQL 110.9	FM (analog)		—	Fairland, OK
30.2	K0KWC	Pittsburg K0KWC	52.8300	in 51.1300	TSQL 91.5	FM (analog)		—	Pittsburg, KS
30.2	K0KWC	Girard K0KWC	147.2400	+0.6	TSQL 91.5	FM (analog)		—	Girard, KS
30.6	K0SEK	Girard K0SEK AllStar	147.2400	+0.6	TSQL 91.5	FM (analog)	AllStar 53928	—	Girard, KS
30.7	K0PRO	Lamar K0PRO	147.2400	+0.6	TSQL 91.5	FM (analog)		—	Lamar, MO
30.7	K0KWC	Lamar K0KWC EchoLink	442.9750	+5	TSQL 91.5	FM (analog) (C4FM,FM)	EchoLink 498054 WIRES-X 65610	—	Lamar, MO
32.0	KM0HP	Golden City KM0HP	444.7500	+5	TSQL 91.5	FM (analog)		—	Golden City, MO
32.3	KM0HP	Golden City KM0HP	146.7900	-0.6	TSQL 91.5	FM (analog)		—	Golden City, MO
35.8	WR0MG	Bartlett WR0MG BM	444.1250	+5	TSQL 91.5	FM (analog) (DMR,FM)	BrandMeister 314093	—	Bartlett, KS
37.4	WB6ARF	Pineville WB6ARF	147.0750	+0.6	TONE 162.2	FM (analog)		—	Pineville, MO
37.5	K0SQS	Monett K0SQS	147.3000	+0.6	none	FM (analog)		—	Monett, MO
39.1	W0OAR	Freistatt MSHP W0OAR	146.9700	-0.6	TSQL 162.2	FM (analog)	🗓 5 nets	5 nets · 90 check-ins · 24 stations	Freistatt, MO
39.1	W0OAR	Freistatt MSHP W0OAR	444.1500	+5	none	FM (analog) (DV,FM)	🗓 5 nets	5 nets · 90 check-ins · 24 stations	Freistatt, MO
39.4	AF0SS	Mount Vernon AF0SS AllStar	145.1300	-0.6	TSQL 118.8	FM (analog) (C4FM,FM)	AllStar 28357	—	Mount Vernon, MO
39.4	AF0SS	Mount Vernon AF0SS EchoLink	147.0450	+0.6	TSQL 118.8	FM (analog) (FM,C4FM)	EchoLink 65982 WIRES-X 55982	—	Mount Vernon, MO
39.5	N0NWS	Pineville N0NWS AllStar	145.1300	-0.6	TSQL 67.0	FM (analog)	AllStar 401366	—	Pineville, MO
41.2	AF0SS	Mt Vernon AF0SS	443.6000	+5	TSQL 118.8	FM (analog) (FM,C4FM)		—	Mt. Vernon, MO
42.4	AA0PK	Parsons AA0PK	146.6850	-0.6	TSQL 91.5	FM (analog)		—	Parsons, KS
42.6	NO5RA	Vinita NO5RA	147.1650	+0.6	none	D-STAR		—	Vinita, OK
42.6	NO5RA	Vinita NO5RA	443.0750	+5	none	D-STAR		—	Vinita, OK
42.6	K0SQS	Monett K0SQS	444.6500	+5	TONE 123.0	FM (analog) (C4FM,FM)		—	Monett, MO
44.9	N5BVA	Jane Walmart N5BVA	147.2550	+0.6	TSQL 162.2	FM (analog)		—	Jane, MO
45.1	K0NXA	Stockton Lake K0NXA AllStar	444.9750	+5	TSQL 162.2	FM (analog)	AllStar 565502 EchoLink 113667	—	Stockton Lake, MO
46.5	KC0KW	Walnut KC0KW WIRES-X	147.1800	+0.6		Fusion (C4FM)	WIRES-X 28054	—	Walnut, KS
46.5	NO5RA	Vinita NO5RA	147.3600	+0.6	TONE 88.5	FM (analog)		—	Vinita, OK
46.5	NO5RA	Vinita NO5RA	444.3750	+5	TONE 88.5	FM (analog)		—	Vinita, OK
47.7	KE0CZQ	Washburn KE0CZQ	147.3750	+0.6	TONE 123.0	FM (analog)		—	Washburn, MO
48.3	W0HL	Nevada W0HL	145.4500	-0.6	TSQL 91.5	FM (analog)		—	Nevada, MO
49.0	AC0JK	Shell Knob Fire AC0JK	145.2100	-0.6	TONE 162.2	FM (analog)		—	Shell Knob, MO
49.3	KE0CZQ	Washburn KE0CZQ	444.8500	+5	TSQL 123.0	FM (analog)		—	Washburn, MO
7.0	N0ZSG Offline	Joplin N0ZSG BM	444.6250	+5	CC1	DMR	BrandMeister 311437	—	Joplin, MO
20.2	KC0FDQ Offline	Neosho KC0FDQ	146.8050	-0.6	TSQL 127.3	FM (analog)		—	Neosho, MO
34.7	KG5RVL Offline	Grove Cherokee KG5RVL	442.6250	+5	DCS 025	FM (analog)		—	Grove, OK
34.7	W5IAS Offline	Afton W5IAS	444.8750	+5	TONE 88.5	FM (analog)	🗓 1 net	1 net	Afton, OK
39.4	K5TUX Offline	Mount Vernon K5TUX IRLP	147.4200	simplex	TSQL 118.8	FM (analog)	IRLP 3645	—	Mount Vernon, MO