N9TPB FCC License Search

🕒 FCC license data updated today 8:30 am CDT (FCC files through Oct 1, 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

KC4MLB HAM

Technician class licensed since 2006 (20 yrs) KC4MLB since 2006 · previously KI4QQU Summerville, SC grid EM93va 63 repeaters within 50 mi

🔒 Not available — currently licensed, through Sep 8, 2036. If it isn't renewed, it opens for vanity requests Sep 9, 2038.

📬 QSL: no LoTW uploads on record · not eQSL AG · QRZ · HamQTH

📝 KC4MLB has filed vanity applications before — latest filed Aug 21, 2006 · what was requested

Currently held by Marcia B Bolton · 2 holders on record

Current holder: Marcia B Bolton

Held KC4MLB Sep 8, 2006 → present · first licensed Aug 18, 2006 as KI4QQU · 2 licenses · FRN 0015384951

KC4MLB Active Technician · vanity Sep 8, 2006 → expires Sep 8, 2036

Licensee
Marcia B Bolton

Address
Attn: Marcia B. Bolton
104 Helen Dr
Summerville, SC 29483
33.0025, -80.2054 (street) · Grid EM93va · CQ 5 · ITU 8 · map ↗

FRN
0015384951

Previous call
KI4QQU

Last granted
Sep 11, 2026

Effective
Sep 11, 2026

Last action
Sep 11, 2026
FCC actions (4)
- Sep 11, 2026 — License renewed LIREN
- Jun 16, 2016 — License renewed LIREN
- Sep 8, 2006 — Vanity call sign granted VANGRT
- Sep 8, 2006 — License issued LIISS
KI4QQU Canceled Technician Aug 18, 2006 → Sep 8, 2006 (canceled)

Licensee
Marcia B Bolton

Address
104 Helen Dr
Summerville, SC 29483
33.0025, -80.2054 (street) · Grid EM93va · CQ 5 · ITU 8 · map ↗

FRN
0015384951

Last granted
Aug 18, 2006

Effective
Aug 18, 2006

Last action
Sep 8, 2006
FCC actions (3)
- Sep 8, 2006 — License canceled LICAN
- Aug 18, 2006 — License issued LIISS
- Aug 18, 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 27, 2010 → Sep 27, 2026 · 92 snapshots · as KI4QQU
Marcia B Bolton
104 Helen Dr, Summerville, SC 29483
33.0025, -80.2054 (street) · Grid EM93va · CQ 5 · ITU 8 · map ↗

Previous holder: ALLAN C COOKE

Held KC4MLB Sep 12, 1989 → Sep 12, 1999 · first licensed Sep 12, 1989 as KC4MLB · 1 license · no FRN on file (pre-2001 records)

KC4MLB Expired Novice Sep 12, 1989 → Sep 12, 1999 (expired)

Licensee
ALLAN C COOKE

Address
5520 VENTNOR LN
SPRINGFIELD, VA 22151
38.8041, -77.2078 (ZIP center) · Grid FM18jt · CQ 5 · ITU 8 · map ↗

Last granted
Sep 12, 1989

Effective
Sep 12, 1989

Last action
Sep 11, 2026
FCC actions (1)
- Sep 13, 2001 — License expired LIEXP

Address history

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

Seen Nov 7, 2004 → Sep 27, 2026 · 47 snapshots · as KC4MLB
ALLAN C COOKE
5520 VENTNOR LN, SPRINGFIELD, VA 22151
38.8041, -77.2078 (ZIP center) · Grid FM18jt · CQ 5 · ITU 8 · map ↗

Vanity applications filed by KC4MLB

Calls this licensee has asked the FCC for, newest first, in their order of preference. The FCC processes applications 18 days after filing; "likely award" is our estimate from every pending application in filing order.

Filed · Award	Applicant	Requested (in order)	Status
Filed Aug 21, 2006 Granted Sep 11, 2026 0002719008	KI4QQU · Marcia B Bolton · Technician 104 Helen Dr, Summerville, SC 29483 33.0025, -80.2054 (street) · Grid EM93va · CQ 5 · ITU 8 · map ↗	1.KC4MLB ✓ granted	Granted got KC4MLB

Others requesting KC4MLB

3 applications listed KC4MLB as a choice, newest first.

Filed	Award	Applicant	Choice #	Status
May 5, 2022	May 23, 2022	KN4PZG · Michael L Benfield · Harmony, NC	3	Granted
Aug 21, 2006	Sep 8, 2006	KI4QQU · Marcia B Bolton · Summerville, SC	1	Granted
Apr 22, 2002	May 10, 2002	KC4ZXM · MARIE L BURTON · BOCA RATON, FL	2	Dismissed

📡 On the air: APRS, digital & WSPR spots

No APRS positions, PSK Reporter reports or WSPR spots for KC4MLB in the last 24 hours. They show up here within seconds of KC4MLB beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.

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
1.5	KX4DOR	Summerville KX4DOR	145.2800	-0.6	none	D-STAR		—	Summerville, SC
1.5	KX4DOR	Summerville KX4DOR	442.8375	+5	none	D-STAR		—	Summerville, SC
2.0	KC4ED	Summerville KC4ED	442.3000	+5	none	FM (analog)		—	Summerville, SC
3.1	WA4NMW	Knightsville WA4NMW	147.2250	+0.6	TSQL 123.0	FM (analog)		—	Knightsville, SC
3.8	W4HRS	Summerville Med W4HRS	146.9850	-0.6	TONE 123.0	FM (analog)		—	Summerville, SC
3.8	WA4USN	Knightsville WA4USN	146.9400	-0.6	TSQL 123.0	FM (analog)		—	Knightsville, SC
3.8	WA4USN	Mount Pleasant WA4USN	441.4500	+5	TSQL 123.0	FM (analog)		—	Mount Pleasant, SC
5.7	N2OBS	Ladson N2OBS EchoLink	443.7750	+5	TSQL 123.0	FM (analog)	EchoLink 99729	—	Ladson, SC
6.4	WX3C Listed as WX3C VHF	SUMMERVILLE WX3C BM	147.2500	+0.6	CC7	DMR	BrandMeister 312093	—	SUMMERVILLE, SC
6.4	WX3C Listed as WX3C UHF	SUMMERVILLE WX3C BM	443.3700	+5	CC7	DMR	BrandMeister 311239	—	SUMMERVILLE, SC
6.4	WX3C	Boynton Beach WX3C BM	902.9875	+25	CC7	DMR	BrandMeister 312098	—	Boynton Beach, FL
7.9	W4HRS	Nort Trident Hos W4HRS	146.7300	-0.6	TONE 123.0	FM (analog)		—	North Charleston, SC
10.3	N9HQC	Ravenel N9HQC BM	443.9000	+5	TONE 123.0	FM (analog) (DMR,FM)	BrandMeister 314755	—	Ravenel, SC
12.8	W4HNK	Dorchester W4HNK	147.1800	+0.6	TONE 123.0	FM (analog)		—	Dorchester, SC
12.8	W4HNK	Dorchester W4HNK	443.8000	+5	TONE 123.0	FM (analog)		—	Dorchester, SC
12.8	NE2S	Hanahan NE2S BM	439.5000	-5	CC1	DMR	BrandMeister 316694501	—	Hanahan, SC
13.1	W4ANK	Jedburg W4ANK	147.2700	+0.6	TONE 123.0	FM (analog)		—	Jedburg, SC
16.4	W4HRS	Charleston W4HRS	444.7750	+5	TONE 123.0	FM (analog)		—	Charleston, SC
17.4	W4BRK	Moncks Corner W4BRK	146.6100	-0.6	TSQL 123.0	FM (analog)		—	Moncks Corner, SC
17.4	WR4SC	Charleston WR4SC	147.1050	+0.6	TSQL 123.0	FM (analog)	🗓 2 nets	2 nets · 207 check-ins · 97 stations	Charleston, SC
17.4	WR4SC	Florence WR4SC	441.5750	+5	TSQL 91.5	FM (analog)	🗓 2 nets	2 nets · 207 check-ins · 97 stations	Florence, SC
17.4	WR4SC	Charleston WR4SC NC-PRN	443.0375	+5	CC1	DMR	NC-PRN 🗓 2 nets	2 nets · 207 check-ins · 97 stations	Charleston, SC
17.7	K4IUG	West Ashley FS 1 K4IUG	443.3750	+5	TSQL 100.0	FM (analog)		—	West Ashley, SC
17.8	W4HRS	Moncks Corne EOC W4HRS	145.4900	-0.6	TONE 103.5	FM (analog)		—	Moncks Corner, SC
17.9	K4IUG	Charleston K4IUG	224.6600	-1.6	TSQL 210.7	FM (analog)		—	Charleston, SC
18.1	W4HRS	Charleston W4HRS	145.1600	-0.6	none	D-STAR		—	Charleston, SC
18.1	W4HRS	Charleston W4HRS	444.1125	+5	none	D-STAR		—	Charleston, SC
18.9	KK4B	Cordesville KK4B	145.3500	-0.6	TSQL 162.2	FM (analog)	🗓 2 nets	2 nets · 35 check-ins · 24 stations	Cordesville, SC
20.6	K4IUG	Adams Run K4IUG	147.3450	+0.6	TSQL 141.3	FM (analog)		—	Adams Run, SC
21.3	W4HRS	Charleston MUSC W4HRS IRLP	145.4500	-0.6	TONE 123.0	FM (analog)	IRLP 4557	—	Charleston, SC
21.3	W4HRS	Charleston MUSC W4HRS	444.8250	+5	TONE 123.0	FM (analog)		—	Charleston, SC
22.6	WA4USN	Charleston USS WA4USN	146.7900	-0.6	TONE 123.0	FM (analog)		—	Charleston, SC
24.4	KA4GDW	Saint George M&M KA4GDW	147.0450	+0.6	TSQL 103.5	FM (analog)		—	Saint George, SC
24.8	K4IUG	Mt Pleasant K4IUG NONE-USE-C	443.4500	+5	TSQL 100.0	FM (analog) (DMR,FM)	NONE-USE-CONTACT99	—	Mt Pleasant, SC
24.9	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
27.6	KG4BZN	Walterboro KG4BZN	147.1350	+0.6	none	FM (analog)		—	Walterboro, SC
27.6	KG4BZN	Walterboro KG4BZN	444.5500	+5	TONE 123.0	FM (analog)		—	Walterboro, SC
27.8	W4HRS	Walterboro Colle W4HRS	444.8500	+5	TONE 123.0	FM (analog)		—	Walterboro, SC
29.3	WA4USN	Seabrook Island WA4USN	145.4100	-0.6	TONE 123.0	FM (analog)		—	Seabrook Island, SC
29.8	WR4SC	Charleston WR4SC	146.7600	-0.6	TSQL 123.0	FM (analog)	🗓 2 nets	2 nets · 207 check-ins · 97 stations	Charleston, SC
29.8	WR4SC	Charleston WR4SC NC-PRN	442.4625	+5	CC1	DMR	NC-PRN 🗓 2 nets	2 nets · 207 check-ins · 97 stations	Charleston, SC
29.9	KR4CHS	Awendaw KR4CHS	145.1200	-0.6	none	D-STAR	🗓 1 net	1 net	Awendaw, SC
30.7	KK4B	Russellville KK4B	147.3000	+0.6	TSQL 162.2	FM (analog)	🗓 2 nets	2 nets · 35 check-ins · 24 stations	Russellville, SC
32.3	KJ4QLH	Vance KJ4QLH	146.8050	-0.6	TSQL 156.7	FM (analog)		—	Vance, SC
34.2	WA4SJS	White Hall WA4SJS	146.9100	-0.6	TONE 156.7	FM (analog)		—	White Hall, SC
34.2	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
34.4	N7GZT	Vance N7GZT AllStar	442.2000	+5	DCS 023	FM (analog)	AllStar 637122 AllStar 637121	—	Vance, SC
36.8	KA4GDW	Bowman KA4GDW	146.8350	-0.6	TSQL 179.9	FM (analog)		—	Bowman, SC
37.1	K4LMD	Branchville K4LMD	145.2100	-0.6	TSQL 100.0	FM (analog)		—	Branchville, SC
37.2	KA4GDW	Bowman KA4GDW	224.7800	-1.6	TSQL 179.9	FM (analog)		—	Bowman, SC
39.0	W4APE	Greeleyville W4APE	444.7500	+5	TSQL 123.0	FM (analog)		—	Greeleyville, SC
41.9	W4APE	Greeleyville W4APE EchoLink	145.2300	-0.6	TONE 123.0	FM (analog)	EchoLink 779467	—	Greeleyville, SC
45.7	N0VQE	Beaufort SC N0VQE BM	441.5000	+5	CC1	DMR	BrandMeister 311042910	—	Beaufort, SC 29907, SC
47.3	KM4ABW	Manning Hosp KM4ABW	145.1500	-0.6	TSQL 91.5	FM (analog)		—	Manning, SC
47.8	WR4SC	Beaufort WR4SC NC-PRN	441.9875	+5	CC1	DMR	NC-PRN 🗓 2 nets	2 nets · 207 check-ins · 97 stations	Beaufort, SC
47.8	W4BFT	Beaufort W4BFT	441.9875	+5	CC?	DMR		—	Beaufort, SC
48.3	KK2QQ	Beaufort KK2QQ BM	439.4500	-5	CC1	DMR	BrandMeister 3197669	—	Beaufort, SC
49.2	W4BFT	Beaufort Hosp W4BFT	443.8500	+5	TSQL 123.0	FM (analog)		—	Beaufort, SC
5.7	N2OBS offline	Ladson N2OBS EchoLink	146.8650	-0.6	TONE 123.0	FM (analog)	EchoLink 99729	—	Ladson, SC
24.8	KK4ZBE offline	Mt Pleasant E KK4ZBE	146.6850	-0.6	TSQL 162.2	FM (analog)		—	Mt Pleasant, SC
34.0	KJ4LNJ offline	Green Pond White KJ4LNJ	444.0750	+5	none	D-STAR		—	Green Pond, SC
34.2	KJ4LNJ offline	Green Pond S.C KJ4LNJ	145.4800	-0.6	none	D-STAR		—	Green Pond, SC
49.2	W4BFT offline	Beaufort WJWJ W4BFT	146.6550	-0.6	none	FM (analog)		—	Beaufort, SC