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

FRANK D STALLWORTH

FRN 0025624545 · first licensed Jun 15, 2016 as KM4UQY · 2 licenses on record

📝 FCC applications (8)

Received	File number	Service	Purpose	Status	Call
Apr 7, 2026	0011987215	HAM	Renewal	Granted	K4KDS
Feb 9, 2026	0011899958	HAM	Administrative update	Granted	K4KDS
Feb 9, 2026	0011899952	HAM	Administrative update	Granted	K4KDS
Feb 1, 2021	0009395502	HAM	Administrative update	Granted	K4KDS
Aug 3, 2016	0007365428	HAM	Administrative update	Granted	K4KDS
Jul 25, 2016	0007350938	HAM	Administrative update	Granted	K4KDS
Jun 15, 2016	0007306461	HAM	Modification	Granted	KM4UQY
Jun 15, 2016	0007306444	HAM	New license	Granted	KM4UQY

Complete licensing history

K4KDS Active Technician · vanity Jul 6, 2016 → expires Jul 6, 2036

Licensee
FRANK D STALLWORTH

Address
Attn: David Stallworth
PO Box 29414
5 Skyeman dr
charleston, SC 29414
32.8446, -80.0712 (street) · Grid EM92xu · CQ 5 · ITU 8 · map ↗

FRN
0025624545

Previous call
KM4UQY

Last granted
Apr 9, 2026

Effective
Apr 9, 2026

Last action
Apr 9, 2026
FCC actions (8)
- Apr 9, 2026 — License renewed LIREN
- Feb 10, 2026 — Administrative update LIAUA
- Feb 10, 2026 — Administrative update LIAUA
- Feb 2, 2021 — Administrative update LIAUA
- Aug 4, 2016 — Administrative update LIAUA
- Jul 26, 2016 — Administrative update LIAUA
- Jul 6, 2016 — Vanity call sign granted VANGRT
- Jul 6, 2016 — License issued LIISS
KM4UQY Canceled Technician Jun 15, 2016 → Jul 6, 2016 (canceled)

Licensee
FRANK D STALLWORTH

Address
19 WENDY LN
CHARLESTON, SC 29407
32.7989, -79.9978 (ZIP center) · Grid FM02at · CQ 5 · ITU 8 · map ↗

FRN
0025624545

Last granted
Jun 15, 2016

Effective
Jun 15, 2016

Last action
Jul 6, 2016
FCC actions (3)
- Jul 6, 2016 — License canceled LICAN
- Jun 15, 2016 — License issued LIISS
- Jun 15, 2016 — 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 · 2 snapshots · as K4KDS
FRANK D STALLWORTH
Attn: David Stallworth
PO Box 29414
5 Skyeman dr, charleston, SC 29414
32.8446, -80.0712 (street) · Grid EM92xu · CQ 5 · ITU 8 · map ↗
Seen Jun 30, 2016 → Oct 4, 2026 · 26 snapshots · as KM4UQY
FRANK D STALLWORTH
19 WENDY LN, CHARLESTON, SC 29407
32.7989, -79.9978 (ZIP center) · Grid FM02at · CQ 5 · ITU 8 · map ↗
Seen Apr 16, 2022 → Sep 25, 2025 · 11 snapshots · as K4KDS
FRANK D STALLWORTH
4415 LORD PROPRIETORS RD, hollywood, SC 29449
32.6998, -80.2809 (ZIP center) · Grid EM92uq · CQ 5 · ITU 8 · map ↗
Seen Nov 4, 2016 → May 6, 2019 · 12 snapshots · as K4KDS
FRANK D STALLWORTH
15 loch carrun terr, CHARLESTON, SC 29414
32.8429, -80.1046 (ZIP center) · Grid EM92wu · CQ 5 · ITU 8 · map ↗

Repeaters within 50 miles

63 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
3.0	W4HRS	Charleston W4HRS	444.7750	+5	TONE 123.0	FM (analog)		—	Charleston, SC
4.0	WR4SC	Charleston WR4SC	147.1050	+0.6	TSQL 123.0	FM (analog)	🗓 2 nets	2 nets · 207 check-ins · 97 stations	Charleston, SC
4.0	WR4SC	Florence WR4SC	441.5750	+5	TSQL 91.5	FM (analog)	🗓 2 nets	2 nets · 207 check-ins · 97 stations	Florence, SC
4.0	WR4SC	Charleston WR4SC NC-PRN	443.0375	+5	CC1	DMR	NC-PRN 🗓 2 nets	2 nets · 207 check-ins · 97 stations	Charleston, SC
4.4	K4IUG	West Ashley FS 1 K4IUG	443.3750	+5	TSQL 100.0	FM (analog)		—	West Ashley, SC
4.8	K4IUG	Charleston K4IUG	224.6600	-1.6	TSQL 210.7	FM (analog)		—	Charleston, SC
5.6	NE2S	Hanahan NE2S BM	439.5000	-5	CC1	DMR	BrandMeister 316694501	—	Hanahan, SC
5.8	W4HRS	Charleston W4HRS	145.1600	-0.6	none	D-STAR		—	Charleston, SC
5.8	W4HRS	Charleston W4HRS	444.1125	+5	none	D-STAR		—	Charleston, SC
8.4	W4HRS	Charleston MUSC W4HRS IRLP	145.4500	-0.6	TONE 123.0	FM (analog)	IRLP 4557	—	Charleston, SC
8.4	W4HRS	Charleston MUSC W4HRS	444.8250	+5	TONE 123.0	FM (analog)		—	Charleston, SC
9.1	W4HRS	Nort Trident Hos W4HRS	146.7300	-0.6	TONE 123.0	FM (analog)		—	North Charleston, SC
9.8	W4HRS	Summerville Med W4HRS	146.9850	-0.6	TONE 123.0	FM (analog)		—	Summerville, SC
10.0	N2OBS	Ladson N2OBS EchoLink	443.7750	+5	TSQL 123.0	FM (analog)	EchoLink 99729	—	Ladson, SC
10.2	WA4USN	Charleston USS WA4USN	146.7900	-0.6	TONE 123.0	FM (analog)		—	Charleston, SC
12.2	N9HQC	Ravenel N9HQC BM	443.9000	+5	TONE 123.0	FM (analog) (DMR,FM)	BrandMeister 314755	—	Ravenel, SC
12.8	KX4DOR	Summerville KX4DOR	145.2800	-0.6	none	D-STAR		—	Summerville, SC
12.8	KX4DOR	Summerville KX4DOR	442.8375	+5	none	D-STAR		—	Summerville, SC
13.5	KC4ED	Summerville KC4ED	442.3000	+5	none	FM (analog)		—	Summerville, SC
13.7	K4IUG	Mt Pleasant K4IUG NONE-USE-C	443.4500	+5	TSQL 100.0	FM (analog) (DMR,FM)	NONE-USE-CONTACT99	—	Mt Pleasant, SC
14.7	WX3C Listed as WX3C VHF	SUMMERVILLE WX3C BM	147.2500	+0.6	CC7	DMR	BrandMeister 312093	—	SUMMERVILLE, SC
14.7	WX3C Listed as WX3C UHF	SUMMERVILLE WX3C BM	443.3700	+5	CC7	DMR	BrandMeister 311239	—	SUMMERVILLE, SC
14.7	WX3C	Boynton Beach WX3C BM	902.9875	+25	CC7	DMR	BrandMeister 312098	—	Boynton Beach, FL
15.5	WA4USN	Knightsville WA4USN	146.9400	-0.6	TSQL 123.0	FM (analog)		—	Knightsville, SC
15.5	WA4USN	Mount Pleasant WA4USN	441.4500	+5	TSQL 123.0	FM (analog)		—	Mount Pleasant, SC
15.9	WA4NMW	Knightsville WA4NMW	147.2250	+0.6	TSQL 123.0	FM (analog)		—	Knightsville, SC
16.5	K4IUG	Adams Run K4IUG	147.3450	+0.6	TSQL 141.3	FM (analog)		—	Adams Run, SC
19.0	WA4USN	Seabrook Island WA4USN	145.4100	-0.6	TONE 123.0	FM (analog)		—	Seabrook Island, SC
21.0	KK4B	Cordesville KK4B	145.3500	-0.6	TSQL 162.2	FM (analog)	🗓 2 nets	2 nets · 35 check-ins · 24 stations	Cordesville, SC
21.8	KX4DOR	Ridgeville KX4DOR	443.8000	+5	CC1	DMR		—	Ridgeville, SC
22.3	WR4SC	Charleston WR4SC	146.7600	-0.6	TSQL 123.0	FM (analog)	🗓 2 nets	2 nets · 207 check-ins · 97 stations	Charleston, SC
22.3	WR4SC	Charleston WR4SC NC-PRN	442.4625	+5	CC1	DMR	NC-PRN 🗓 2 nets	2 nets · 207 check-ins · 97 stations	Charleston, SC
22.3	KR4CHS	Awendaw KR4CHS	145.1200	-0.6	none	D-STAR	🗓 1 net	1 net	Awendaw, SC
24.5	W4BRK	Moncks Corner W4BRK	146.6100	-0.6	TSQL 123.0	FM (analog)		—	Moncks Corner, SC
24.8	W4HRS	Moncks Corne EOC W4HRS	145.4900	-0.6	TONE 103.5	FM (analog)		—	Moncks Corner, SC
26.2	W4HNK	Dorchester W4HNK	147.1800	+0.6	TONE 123.0	FM (analog)		—	Dorchester, SC
26.2	W4HNK	Dorchester W4HNK	443.8000	+5	TONE 123.0	FM (analog)		—	Dorchester, SC
26.5	W4ANK	Jedburg W4ANK	147.2700	+0.6	TONE 123.0	FM (analog)		—	Jedburg, SC
34.8	KG4BZN	Walterboro KG4BZN	147.1350	+0.6	none	FM (analog)		—	Walterboro, SC
34.8	KG4BZN	Walterboro KG4BZN	444.5500	+5	TONE 123.0	FM (analog)		—	Walterboro, SC
35.4	W4HRS	Walterboro Colle W4HRS	444.8500	+5	TONE 123.0	FM (analog)		—	Walterboro, SC
36.6	WA4SJS	White Hall WA4SJS	146.9100	-0.6	TONE 156.7	FM (analog)		—	White Hall, SC
36.6	WR4SC	White Hall WR4SC NC-PRN	442.3875	+5	CC1	DMR	NC-PRN 🗓 2 nets	2 nets · 207 check-ins · 97 stations	White Hall, SC
36.9	KA4GDW	Saint George M&M KA4GDW	147.0450	+0.6	TSQL 103.5	FM (analog)		—	Saint George, SC
37.6	WR4SC	Saint George WR4SC NC-PRN	440.6500	+5	CC1	DMR	NC-PRN 🗓 2 nets	2 nets · 207 check-ins · 97 stations	Saint George, SC
38.6	KK4B	Russellville KK4B	147.3000	+0.6	TSQL 162.2	FM (analog)	🗓 2 nets	2 nets · 35 check-ins · 24 stations	Russellville, SC
42.7	N0VQE	Beaufort SC N0VQE BM	441.5000	+5	CC1	DMR	BrandMeister 311042910	—	Beaufort, SC 29907, SC
45.0	WR4SC	Beaufort WR4SC NC-PRN	441.9875	+5	CC1	DMR	NC-PRN 🗓 2 nets	2 nets · 207 check-ins · 97 stations	Beaufort, SC
45.0	W4BFT	Beaufort W4BFT	441.9875	+5	CC?	DMR		—	Beaufort, SC
45.5	KJ4QLH	Vance KJ4QLH	146.8050	-0.6	TSQL 156.7	FM (analog)		—	Vance, SC
45.7	KK2QQ	Beaufort KK2QQ BM	439.4500	-5	CC1	DMR	BrandMeister 3197669	—	Beaufort, SC
46.5	W4BFT	Beaufort Hosp W4BFT	443.8500	+5	TSQL 123.0	FM (analog)		—	Beaufort, SC
47.1	W5BFT	Beaufort W5BFT	146.6550	-0.6	none	FM (analog)		—	Beaufort, SC
47.8	N7GZT	Vance N7GZT AllStar	442.2000	+5	DCS 023	FM (analog)	AllStar 637122 AllStar 637121	—	Vance, SC
47.9	KQ4TAY	Port Royal KQ4TAY BM	441.5000	in 445.5000	CC1	DMR	BrandMeister 3208856	—	Port Royal, SC
48.0	W4APE	Greeleyville W4APE	444.7500	+5	TSQL 123.0	FM (analog)		—	Greeleyville, SC
49.0	K4LMD	Branchville K4LMD	145.2100	-0.6	TSQL 100.0	FM (analog)		—	Branchville, SC
49.9	KA4GDW	Bowman KA4GDW	146.8350	-0.6	TSQL 179.9	FM (analog)		—	Bowman, SC
10.0	N2OBS offline	Ladson N2OBS EchoLink	146.8650	-0.6	TONE 123.0	FM (analog)	EchoLink 99729	—	Ladson, SC
14.1	KK4ZBE offline	Mt Pleasant E KK4ZBE	146.6850	-0.6	TSQL 162.2	FM (analog)		—	Mt Pleasant, SC
36.5	KJ4LNJ offline	Green Pond White KJ4LNJ	444.0750	+5	none	D-STAR		—	Green Pond, SC
36.6	KJ4LNJ offline	Green Pond S.C KJ4LNJ	145.4800	-0.6	none	D-STAR		—	Green Pond, SC
46.4	W4BFT offline	Beaufort WJWJ W4BFT	146.6550	-0.6	none	FM (analog)		—	Beaufort, SC

Vanity applications

Filed · Award	Applicant	Requested (in order)	Status
Filed Jun 15, 2016 Granted Apr 9, 2026 0007306461	KM4UQY · FRANK D STALLWORTH · Technician 19 WENDY LN, CHARLESTON, SC 29407 32.7989, -79.9978 (ZIP center) · Grid FM02at · CQ 5 · ITU 8 · map ↗	1.K4KDS ✓ granted 2.K4RDS held 3.K4TAP held 4.K4OPS held 5.K4SAC held	Granted got K4KDS