N9TPB FCC License Search

🕒 FCC license data updated today 7:15 am CDT (FCC files through Oct 4, 2026) · next update tomorrow 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

Daniel E Sullivan

FRN 0014526628 · first licensed Jan 12, 2006 as KI4NDQ · 2 licenses on record

📝 FCC applications (10)

Received	File number	Service	Purpose	Status	Call
Dec 31, 2025	0011849239	HAM	Renewal	Granted	K4SDX
Feb 6, 2018	0008090100	HAM	Administrative update	Granted	K4SDX
Jan 29, 2018	0008081844	HAM	Administrative update	Granted	K4SDX
Jan 22, 2018	0008069111	HAM	Administrative update	Granted	K4SDX
Feb 1, 2016	0007121893	HAM	Renewal	Granted	K4SDX
Oct 12, 2012	0005444909	HAM	Administrative update	Granted	K4SDX
Apr 7, 2009	0003798922	HAM	Modification	Granted	K4SDX
Oct 2, 2008	0003597873	HAM	Modification	Granted	K4SDX
Jan 18, 2006	0002446420	HAM	Amendment	Granted	KI4NDQ
Jan 12, 2006	0002445001	HAM	New license	Granted	KI4NDQ

Complete licensing history

K4SDX Active Amateur Extra · vanity Feb 7, 2006 → expires Feb 7, 2036

Licensee
Daniel E Sullivan

Address
300 PUGH ROAD
HOLLADAY, TN 38341
35.8161, -88.1018 (street) · Grid EM55wt · CQ 4 · ITU 8 · map ↗

FRN
0014526628

Previous call
KI4NDQ (General)

Last granted
Jan 1, 2026

Effective
Jan 1, 2026

Last action
Jan 1, 2026
FCC actions (10)
- Jan 1, 2026 — License renewed LIREN
- Feb 6, 2018 — Administrative update LIAUA
- Feb 1, 2018 — Administrative update LIAUA
- Jan 23, 2018 — Administrative update LIAUA
- Feb 2, 2016 — License renewed LIREN
- Oct 13, 2012 — Administrative update LIAUA
- Apr 7, 2009 — License modified LIMOD
- Oct 2, 2008 — License modified LIMOD
- Feb 7, 2006 — Vanity call sign granted VANGRT
- Feb 7, 2006 — License issued LIISS
KI4NDQ Canceled Technician Jan 12, 2006 → Feb 7, 2006 (canceled)

Licensee
Daniel E Sullivan

Address
945 Grooms Rd
Holladay, TN 38341
35.8776, -88.0839 (ZIP center) · Grid EM55wv · CQ 4 · ITU 8 · map ↗

FRN
0014526628

Last granted
Jan 12, 2006

Effective
Jan 12, 2006

Last action
Feb 7, 2006
FCC actions (3)
- Feb 7, 2006 — License canceled LICAN
- Jan 12, 2006 — License issued LIISS
- Jan 12, 2006 — 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 May 7, 2018 → Oct 4, 2026 · 17 snapshots · as K4SDX
Daniel E Sullivan
300 PUGH ROAD, HOLLADAY, TN 38341
35.8161, -88.1018 (street) · Grid EM55wt · CQ 4 · ITU 8 · map ↗
Seen May 27, 2010 → Oct 4, 2026 · 52 snapshots · as KI4NDQ
Daniel E Sullivan
945 Grooms Rd, Holladay, TN 38341
35.8776, -88.0839 (ZIP center) · Grid EM55wv · CQ 4 · ITU 8 · map ↗
Seen Feb 18, 2013 → Jan 2, 2018 · 25 snapshots · as K4SDX
Daniel E Sullivan
Attn: Daniel E. Sullivan
2761 Prospect Rd., Holladay, TN 38341
35.8776, -88.0839 (ZIP center) · Grid EM55wv · CQ 4 · ITU 8 · map ↗

Repeaters within 50 miles

59 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
12.2	KQ4MWO	Parsons KQ4MWO BM	441.7250	-1	CC1	DMR	BrandMeister 3205648	—	Parsons, TN
13.4	WA4VVX	Lobelville WA4VVX	145.4300	-0.6	TONE 114.8	FM (analog)		—	Lobelville, TN
16.1	KA4P	Decaturville KA4P	443.3250	+5	TSQL 131.8	FM (analog)		—	Decaturville, TN
16.8	KF4ZGK	Camden KF4ZGK	145.4900	-0.6	TONE 123.0	FM (analog)		—	Camden, TN
17.6	KM4EUG	Lexington KM4EUG	147.0750	+0.6	TSQL 107.2	FM (analog)		—	Lexington, TN
18.1	WA4VVX	Lobelville WA4VVX	442.8500	+5	TONE 107.2	FM (analog)		—	Lobelville, TN
22.3	KF4ZGK	Huntingdon Carro KF4ZGK	146.8350	-0.6	TONE 123.0	FM (analog)		—	Huntingdon, TN
22.3	KO4PKJ	Huntingdon Wtr KO4PKJ	146.1150	+0.6	TSQL 141.3	FM (analog)		—	Huntingdon, TN
22.3	KO4PKJ	Huntingdon Wtr KO4PKJ	146.7150	-0.6	TSQL 141.3	FM (analog)		—	Huntingdon, TN
22.5	KG4LTU	Huntingdon KG4LTU	147.3300	+0.6	TSQL 131.8	FM (analog)		—	Huntingdon, TN
27.1	N9KOR	Huntingdon OS Rd N9KOR	443.6500	+5	TSQL 123.0	FM (analog)		—	Huntingdon, TN
30.7	NQ4U	Medina NQ4U BM	442.8125	+5	CC1	DMR	BrandMeister 312162	—	Medina, TN
31.2	AF4OQ	Enville AF4OQ AllStar	147.1950	+0.6	TONE 94.8	FM (analog)	AllStar 654783 EchoLink 156263	—	Enville, TN
32.9	NO4Q	McEwen Wtr NO4Q	443.3750	+5	TONE 114.8	FM (analog)	🗓 1 net	1 net · 7 check-ins · 7 stations	McEwen, TN
33.1	NO4Q	McEwen Wtr NO4Q	147.2250	+0.6	TONE 114.8	FM (analog)	🗓 1 net	1 net · 7 check-ins · 7 stations	McEwen, TN
33.6	KO4FBY	HENDERSON KO4FBY BM	439.0000	-5	CC1	DMR	BrandMeister 3181681	—	HENDERSON, TN
34.1	WA4BJY	Oakfield WA4BJY	147.3900	+0.6	TSQL 162.2	FM (analog) (FM,C4FM)		—	Oakfield, TN
34.7	KN4KAN	Enville KN4KAN BM	444.3500	+5	CC1	DMR	BrandMeister 315056	—	Enville, TN
35.6	KG4UHH	Nunnelly KG4UHH	444.0750	+5	TONE 100.0	FM (analog)		—	Nunnelly, TN
35.7	KI4DAD	Centerville KI4DAD	442.5500	+5	TONE 123.0	FM (analog)		—	Centerville, TN
35.7	N4XW	Centerville N4XW	443.7000	+5	TONE 123.0	FM (analog)		—	Centerville, TN
35.8	KJ4ISZ	Paris KJ4ISZ	147.3600	+0.6	TONE 123.0	FM (analog)		—	Paris, TN
36.0	K4HRC	Hohenwald K4HRC	146.8950	-0.6	TSQL 100.0	FM (analog)		—	Hohenwald, TN
36.0	K4HRC	Hohenwald K4HRC	444.8500	+5	TONE 100.0	FM (analog)		—	Hohenwald, TN
37.5	KA4BNI	Milan KA4BNI	442.6750	+5	TSQL 131.8	FM (analog)		—	Milan, TN
37.5	NQ4U Listed as NQ4U MEDINA	Medina NQ4U BM	145.4400	-0.6	CC1	DMR	BrandMeister 312279	—	Medina, TN
37.7	WT4WA	Medina WT4WA	146.9700	-0.6	TONE 107.2	FM (analog)		—	Medina, TN
38.6	KD9PK	Finger KD9PK	444.2250	+5	none	FM (analog) (FM,P25)		—	Finger, TN
38.6	KA4BNI	Jackson KA4BNI BM	443.7125	+5	CC1	DMR	BrandMeister 310543	—	Jackson, TN
38.9	W4YHY	Tenn Wells Creek W4YHY	145.2500	-0.6	TONE 100.0	FM (analog)		—	Tennessee Ridge, TN
38.9	AG4NX	Adamsville AG4NX	145.0000	simplex	none	FM (analog)		—	Adamsville, TN
39.3	KF4TNP	Waynesboro KF4TNP	443.1000	+5	none	P25		—	Waynesboro, TN
39.3	KF4AKV	Waynesboro KF4AKV	443.9500	+5	TONE 100.0	FM (analog)		—	Waynesboro, TN
39.6	KA4BNI	Gleason KA4BNI IRLP	145.4700	-0.6	TSQL 100.0	FM (analog) (DMR,FM)	EchoLink 412564 IRLP 4364 BrandMeister 312247	—	Gleason, TN
40.0	KU4RT	Henderson FS 1 KU4RT	147.1050	+0.6	TSQL 156.7	FM (analog)		—	Henderson, TN
41.7	KA4ESF	Savannah KA4ESF	146.7000	-0.6	TSQL 123.0	FM (analog)		—	Savannah, TN
41.7	WV4P	Savannah WV4P	442.8000	+5	TONE 131.8	FM (analog)		—	Savannah, TN
41.7	K4SDS	Savannah Courtho K4SDS	146.4350	simplex	none	FM (analog)		—	Savannah, TN
42.3	NE4MA	Jackson NE4MA	145.0800	in 146.4800	none	D-STAR		—	Jackson, TN
42.3	KA4BNI	Jackson KA4BNI	224.2400	-1.6	TONE 131.8	FM (analog)		—	Jackson, TN
42.3	NE4MA	Jackson NE4MA	444.4500	+5	TSQL 123.0	FM (analog)		—	Jackson, TN
42.3	KA4BNI	Jackson KA4BNI	444.8750	+5	TSQL 131.8	FM (analog) (FM,P25)		—	Jackson, TN
42.4	KF4SC	Jackson KF4SC	145.3100	-0.6	TSQL 107.2	FM (analog)		—	Jackson, TN
42.6	WF4Q	Jackson WF4Q	147.2100	+0.6	TSQL 107.2	FM (analog) (FM,C4FM)		—	Jackson, TN
42.8	WF4Q	Jackson Hosp WF4Q	145.1700	-0.6	TONE 107.2	FM (analog)		—	Jackson, TN
42.9	N4XVX	Lyles N4XVX	147.0900	+0.6	TONE 123.0	FM (analog)		—	Lyles, TN
43.4	KA4BNI	Martin KA4BNI BM	444.7125	+5	CC1	DMR	BrandMeister 310544	—	Martin, TN
45.4	KA4BNI	Dresden KA4BNI BM	442.1500	+5	TSQL 131.8	FM (analog) (DMR,FM)	BrandMeister 311062	—	Dresden, TN
45.6	K4JTM	Dresden Weakley K4JTM AllStar	443.6000	+5	TONE 100.0	FM (analog)	AllStar 667192 EchoLink 241352	—	Dresden, TN
45.8	WM4Q	Bon Aqua WM4Q WIRES-X	145.2900	-0.6	TSQL 114.8	FM (analog) (C4FM,FM)	WIRES-X 55769 WIRES-X 73499	—	Bon Aqua, TN
46.0	N4WCB	Tenn Wells Creek N4WCB	443.1000	+5	TONE 100.0	FM (analog)		—	Tennessee Ridge, TN
47.2	KB4IBW	Dresden KB4IBW	53.1300	-0.5	TSQL 107.2	FM (analog)		—	Dresden, TN
47.2	KB4IBW	Dresden KB4IBW WIRES-X	145.1500	-0.6	TSQL 100.0	FM (analog) (DMR,DV,FM)	WIRES-X 52834	—	Dresden, TN
47.4	KQ4PBY	Dickson KQ4PBY BM	146.2500	in 144.2500	CC1	DMR	BrandMeister 3209813	—	Dickson, TN
48.4	WT4WA	Trenton WT4WA	146.8650	-0.6	TSQL 127.3	FM (analog)		—	Trenton, TN
49.3	N4FOX	Cumberland Furna N4FOX AllStar	145.3300	-0.6	CC7	DMR	BrandMeister 314941 AllStar 66502 AllStar 66593	—	Cumberland Furnace, TN
49.7	N4FOX	Cumberland Furna N4FOX BM	440.3300	+5	CC7	DMR	BrandMeister 320959407	—	Cumberland Furnace, TN
20.9	KA4BNI offline	Dresden KA4BNI	442.4000	-0.6	CC?	DMR		—	Dresden, TN
42.9	KI4DAD offline	Lyles KI4DAD	443.8500	+5	TONE 123.0	FM (analog)		—	Lyles, TN

Vanity applications

Filed · Award	Applicant	Requested (in order)	Status
Filed Jan 18, 2006 Granted Jan 1, 2026 0002446420	KI4NDQ · Daniel E Sullivan · Technician Attn: Daniel E. Sullivan · 945 Grooms Rd, Holladay, TN 38341 35.8776, -88.0839 (ZIP center) · Grid EM55wv · CQ 4 · ITU 8 · map ↗	1.K4SDX ✓ granted 2.W4SDX held 3.W4DXS held 4.K4XDS held 5.W4XDS held 6.WX4DES 7.WZ4DES 8.KZ4DES 9.KX4DES 10.A4DES 11.N4DES held 12.A4SDX 13.A4DXS 14.K4SDE held 15.W4SDE available 16.K4DSE available 17.W4DSE held 18.WX4SDX 19.WZ4SDX 20.KZ4SDX 21.W4DNL 22.A4DNL 23.N4DNL 24.N4DAN held 25.K4DEW held	Granted got K4SDX