N9TPB FCC License Search

🕒 FCC license data updated yesterday 9:45 am CDT · next update today 7:15 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

David Johnson

FRN 0037851391 · first licensed Jan 14, 2026 as KD3CKQ · 2 licenses on record

📝 FCC applications (5)

Received	File number	Service	Purpose	Status	Call
Mar 23, 2026	0011936335	HAM	Withdrawal	Withdrawn	KD3CKQ
Mar 2, 2026	0011925891	HAM	Modification	Granted	KD3CKQ
Feb 6, 2026	0011898521	HAM	Modification	Granted	KD3CKQ
Jan 20, 2026	0011875775	HAM	Modification	Granted	KD3CKQ
Jan 12, 2026	0011864131	HAM	New license	Granted	KD3CKQ

Complete licensing history

W3WO Active Amateur Extra · vanity Mar 20, 2026 → expires Mar 20, 2036

Licensee
David Johnson

Address
Attn: David Johnson
3 Greenleaf Ln
Seaford, DE 19973-8017
38.6446, -75.5742 (street) · Grid FM28fp · CQ 5 · ITU 8 · map ↗

FRN
0037851391

Previous call
KD3CKQ (General)

Last granted
Mar 20, 2026

Effective
Mar 20, 2026

Last action
Mar 20, 2026
FCC actions (2)
- Mar 20, 2026 — Vanity call sign granted VANGRT
- Mar 20, 2026 — License issued LIISS
KD3CKQ Canceled Amateur Extra Jan 14, 2026 → Mar 20, 2026 (canceled)

Licensee
David Johnson

Address
3 Greenleaf Ln
Seaford, DE 19973-8017
38.6446, -75.5742 (street) · Grid FM28fp · CQ 5 · ITU 8 · map ↗

FRN
0037851391

Last granted
Jan 14, 2026

Effective
Feb 6, 2026

Last action
Mar 20, 2026
FCC actions (5)
- Mar 20, 2026 — License canceled LICAN
- Feb 6, 2026 — License modified LIMOD
- Jan 20, 2026 — License modified LIMOD
- Jan 14, 2026 — License issued LIISS
- Jan 14, 2026 — 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 → Oct 4, 2026 · 4 snapshots · as KD3CKQ
David Johnson
3 Greenleaf Ln, Seaford, DE 19973-8017
38.6446, -75.5742 (street) · Grid FM28fp · CQ 5 · ITU 8 · map ↗

Repeaters within 50 miles

73 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
2.0	N3YMS	Seaford N3YMS Interstate	442.8125	+5	CC1	DMR	Interstate	—	Seaford, DE
2.0	W3TBG	Seaford W3TBG	444.9000	+5	TONE 156.7	FM (analog)		—	Seaford, DE
2.2	N3KNT	Seaford N3KNT EchoLink	146.7150	-0.6	TONE 156.7	FM (analog)	EchoLink 959058	—	Seaford, DE
2.3	W3TBG	Seaford WSUX W3TBG WIRES-X	145.2100	-0.6	TONE 156.7	FM (analog) (C4FM,FM)	WIRES-X 46540 WIRES-X 36540	—	Seaford, DE
11.2	N3KNT	Federalsburg N3KNT Interstate	442.0500	+5	CC1	DMR	Interstate-2-Network	—	Federalsburg, MD
11.3	W3WMD	Greenwood W3WMD	224.4400	-1.6	none	FM (analog)		—	Greenwood, DE
13.2	K3DRC	Salisbury WMDT K3DRC	146.8200	-0.6	TSQL 156.7	FM (analog)	🗓 1 net	1 net	Salisbury, MD
15.7	WS3EOC	Millsboro WS3EOC	443.2000	+5	TONE 156.7	FM (analog) (FM,C4FM)		—	Millsboro, DE
15.7	WS3ARA	Millsboro WS3ARA EchoLink	147.0900	+0.6	TONE 156.7	FM (analog)	EchoLink 622721	—	Millsboro, DE
15.7	WS3ARA	Millsboro WS3ARA	449.8250	-5	TONE 156.7	FM (analog) (FM,C4FM)		—	Millsboro, DE
15.7	WS3ARA	Millsboro WS3ARA	224.8400	-1.6	TONE 156.7	FM (analog)		—	Millsboro, DE
18.6	K3OCM	Salisbury K3OCM K4USD	442.6500	+5	CC6	DMR	K4USD	—	Salisbury, MD
18.9	N3YMS	Dagsboro N3YMS Interstate	443.1000	+5	CC1	DMR	Interstate	—	Dagsboro, DE
19.3	KB3IWV	Harrington KB3IWV	442.4500	+5	TONE 127.3	FM (analog)		—	Harrington, DE
19.7	W3PRO	Salisbury W3PRO	145.2800	-0.6	none	D-STAR		—	Salisbury, MD
19.7	W3PRO	Salisbury W3PRO	146.9250	-0.6	TSQL 156.7	FM (analog)		—	Salisbury, MD
19.7	N3MRG	Salisbury N3MRG Interstate	442.6500	+5	CC6	DMR	Interstate	—	Salisbury, MD
19.7	K3RIC	Salisbury K3RIC	444.0500	+5	none	FM (analog) (FM,C4FM)		—	Salisbury, MD
19.7	W3PRO	Salisbury W3PRO	444.2000	+5	none	D-STAR		—	Salisbury, MD
20.6	W3GMD	Lewes WGMD W3GMD	443.5500	+5	TONE 156.7	FM (analog) (FM,C4FM)		—	Lewes, DE
23.0	WS3ARA	Selbyville WS3ARA WIRES-X	147.0150	+0.6	TONE 156.7	FM (analog) (C4FM,FM)	WIRES-X 30017	—	Selbyville, DE
23.9	W3LRS	Lewes W3LRS	147.3300	+0.6	TSQL 156.7	FM (analog) (FM,DV)		—	Lewes, DE
24.1	W3BXW	Roxana W3BXW NJ-TRBO	448.7250	-5	CC1	DMR	NJ-TRBO	—	Roxana, DE
25.3	N3YMS	Eden N3YMS Interstate	441.8875	+5	CC2	DMR	Interstate	—	Eden, MD
25.7	N3YMS	Frederica N3YMS Interstate	449.7250	-5	CC1	DMR	Interstate	—	Frederica, DE
25.8	N3YMS	Trappe N3YMS Interstate	442.5375	+5	CC1	DMR	Interstate	—	Trappe, MD
26.0	K3EMD	Easton K3EMD WIRES-X	147.0450	+0.6	TSQL 156.7	FM (analog)	WIRES-X 43142	—	Easton, MD
27.1	N3QEM	Rehoboth Beach N3QEM Interstate	927.7000	-25	CC1	DMR	Interstate	—	Rehoboth Beach, DE
27.4	N3QEM	Rehoboth Beach N3QEM Interstate	443.0625	+5	CC2	DMR	Interstate	—	Rehoboth Beach, DE
27.4	N3QEM	Rehoboth Beach N3QEM Interstate	927.6625	-25	CC1	DMR	Interstate	—	Rehoboth Beach, DE
27.4	N3QEM	Rehoboth Beach N3QEM Interstate	145.1200	-0.6	CC1	DMR	Interstate	—	Rehoboth Beach, DE
27.4	KB3MEC	Rehoboth Beach KB3MEC	441.8500	+5	none	FM (analog)		—	Rehoboth Beach, DE
27.4	WS3EOC	Rehoboth Beach WS3EOC	443.4000	+5	TSQL 156.7	FM (analog)		—	Rehoboth Beach, DE
28.3	K3ORB	Ocean Pines Wtr K3ORB IRLP	443.4500	+5	TSQL 151.4	FM (analog) (FM,P25)	IRLP 4291 🗓 1 net	1 net · 36 check-ins · 19 stations	Ocean Pines, MD
28.3	N3RCC	Ocean Pines Sand N3RCC	145.1900	-0.6	TSQL 179.9	FM (analog)		—	Ocean Pines, MD
28.4	K3EMD	Easton URM Ctr K3EMD WIRES-X	442.2000	+5	TSQL 156.7	FM (analog) (FM,C4FM)	WIRES-X 33142	—	Easton, MD
29.0	N3YMS	Bethany Beach N3YMS Interstate	441.3125	+5	none	FM (analog) (DMR,FM)	Interstate	—	Bethany Beach, DE
29.2	NW2M	Ocean Pines NW2M	146.9550	-0.6	TSQL 114.8	FM (analog) (FM,C4FM)		—	Ocean Pines, MD
29.3	N3MRG	Tyaskin Muddy N3MRG	146.8650	-0.6	CC1	DMR		—	Tyaskin, MD
29.5	KC3ARC	Woodside KC3ARC	146.9100	-0.6	TONE 77.0	FM (analog) (FM,C4FM)	🗓 5 nets	5 nets · 133 check-ins · 26 stations	Woodside, DE
29.5	KC3ARC	Woodside KC3ARC	444.5500	+5	TSQL 77.0	FM (analog)	🗓 5 nets	5 nets · 133 check-ins · 26 stations	Woodside, DE
31.0	N9KET	Fenwick Island N9KET AllStar	145.1700	-0.6	TSQL 77.0	FM (analog)	AllStar 59327	—	Fenwick Island, DE
31.0	N9KET	Fenwick Island N9KET Interstate	441.6500	+5	CC2	DMR	Interstate	—	Fenwick Island, DE
31.2	KA3MRX	Princess Anne KA3MRX	146.6250	-0.6	TONE 156.7	FM (analog)		—	Princess Anne, MD
31.4	N3DN	Camden N3DN BM	447.8750	-5	CC1	DMR	BrandMeister 314964	—	Camden, DE
31.7	N3YMS	Hazlettville N3YMS Interstate	448.0750	-5	CC2	DMR	Interstate-2-Network	—	Hazlettville, DE
32.1	K3ORB	Ocean City Seawa K3ORB BM	444.0125	+5	CC1	DMR	BrandMeister 312404 🗓 1 net	1 net · 36 check-ins · 19 stations	Ocean City, MD
32.7	N3IOC	Wyoming N3IOC	449.7750	-5	TONE 114.8	FM (analog)		—	Wyoming, DE
32.8	N3YMS	Hazlettville N3YMS	147.3000	+0.6	TSQL 77.0	FM (analog)		—	Hazlettville, DE
34.8	KC3ARC	Dover DMV KC3ARC	146.9700	-0.6	TSQL 77.0	FM (analog) (FM,C4FM)	🗓 5 nets	5 nets · 133 check-ins · 26 stations	Dover, DE
35.6	N3YMS	Dover Motor N3YMS Interstate	146.7900	-0.6	CC1	DMR	Interstate	—	Dover, DE
35.6	N3IOC	Dover N3IOC	444.5000	-5	TONE 114.8	FM (analog)		—	Dover, DE
36.3	N3YMS	Dover N3YMS Interstate	449.0750	-5	CC1	DMR	Interstate	—	Dover, DE
36.8	W3OR	Westover W3OR	145.3200	-0.6	none	FM (analog)		—	Westover, MD
38.1	KE3AO	Centreville KE3AO	146.9400	-0.6	TONE 107.2	FM (analog)		—	Centreville, MD
38.1	KE3AO	Centreville KE3AO	448.2250	-5	TONE 107.2	FM (analog) (FM,C4FM)		—	Centreville, MD
38.1	W3ETC	Centreville W3ETC	927.6500	-25	TSQL 156.7	FM (analog) (FM,P25)		—	Centreville, MD
40.6	WA3DSP	Cape May WA3DSP AllStar	146.5650	simplex	TONE 88.5	FM (analog)	AllStar 40961	—	Cape May, NJ
41.2	KC2JPP	Cape May KC2JPP	449.8750	-5	TSQL 146.2	FM (analog)		—	Cape May, NJ
42.5	KI2Y	Cape May N.J KI2Y AllStar	449.1750	-5	TONE 110.9	FM (analog)	AllStar 558570	—	Cape May, N.J., NJ
45.3	K3CRK	Smyrna K3CRK	146.6550	-0.6	TONE 156.7	FM (analog)		—	Smyrna, DE
45.3	K3CRK	Smyrna K3CRK	443.0500	+5	TONE 156.7	FM (analog)		—	Smyrna, DE
46.0	W3GAB	Stevensville W3GAB BM	433.8000	+5	CC1	DMR	BrandMeister 321788101	—	Stevensville, MD
47.2	W3OR	Crisfield McCrea W3OR	145.1300	-0.6	CC1	DMR		—	Crisfield, MD
47.4	WA2WUN	Wildwood WA2WUN	146.6700	-0.6	TSQL 167.9	FM (analog) (FM,C4FM)		—	Wildwood, NJ
47.6	K3ARS	Chestertown Shor K3ARS	449.1750	-5	TONE 156.7	FM (analog)		—	Chestertown, MD
47.8	N3YMS	Chestertown N3YMS Interstate	441.6625	+5	CC1	DMR	Interstate	—	Chestertown, MD
48.1	N3RKT	Crisfield N3RKT WIRES-X	145.1100	-0.6	TSQL 156.7	FM (analog) (FM,C4FM)	WIRES-X 30213	—	Crisfield, MD
48.4	NW2NJ	North Wildwood NW2NJ AllStar	147.3600	+0.6	TSQL 141.3	FM (analog)	AllStar 482182	—	North Wildwood, NJ
48.4	N2TEV	North Wildwood N2TEV BM	438.1600	-5	CC1	DMR	BrandMeister 316484106	—	North Wildwood, NJ
48.7	KC3DVC	Crisfield KC3DVC Interstat	145.1300	-0.6	CC1	DMR	Interstate	—	Crisfield, MD
49.2	W4WFF	Wallops Isla Wtr W4WFF	444.2750	+5	TSQL 100.0	FM (analog) (FM,DMR)		—	Wallops Island, VA
49.3	KB2SKP	Lexington Park KB2SKP BM	446.0125	in 433.0125	CC1	DMR	BrandMeister 314491901	—	Lexington Park, MD

Vanity applications

Filed · Award	Applicant	Requested (in order)	Status
Filed Mar 2, 2026 Granted Mar 20, 2026 0011925891	KD3CKQ · David Johnson · Amateur Extra Attn: David Johnson · 3 Greenleaf Ln, Seaford, DE 19973-8017 38.6446, -75.5742 (street) · Grid FM28fp · CQ 5 · ITU 8 · map ↗	1.W3WO ✓ granted	Granted got W3WO