N9TPB FCC License Search

🕒 FCC license data updated today 7:15 am CDT (FCC files through Oct 5, 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

John C Borkowski III

FRN 0003478237 · first licensed Jun 20, 2000 as KG4IGD · 3 licenses on record

📻 GMRS licenses on this FRN

GMRS call	Status	Name	Location	Granted	Expires
WRQT850	Active	John C Borkowski III	Mount Pleasant, SC	May 10, 2022	May 10, 2032

📝 FCC applications (22)

Received	File number	Service	Purpose	Status	Call
May 9, 2022	0010039255	GMRS	New license	Granted
Dec 10, 2018	0008464741	HAM	Modification	Granted	K3JCB
Nov 5, 2018	0008426658	HAM	Modification	Dismissed	K3JCB
Oct 9, 2018	0008394607	HAM	Modification	Dismissed	K3JCB
Sep 10, 2018	0008361315	HAM	Modification	Dismissed	K3JCB
Feb 6, 2018	0008088855	HAM	Renewal	Granted	K3JCB
Jan 11, 2018	0008058878	HAM	Modification	Dismissed	K3JCB
Dec 11, 2017	0008026057	HAM	Modification	Dismissed	K3JCB
Dec 4, 2017	0008016314	HAM	Modification	Dismissed	K3JCB
Sep 15, 2017	0007927792	HAM	Modification	Dismissed	K3JCB
Mar 23, 2017	0007709581	HAM	Modification	Dismissed	K3JCB
Feb 16, 2017	0007663893	HAM	Modification	Dismissed	K3JCB
Jan 23, 2017	0007629473	HAM	Modification	Dismissed	K3JCB
Sep 9, 2016	0007447523	HAM	Modification	Dismissed	K3JCB
Aug 19, 2016	0007404793	HAM	Modification	Dismissed	K3JCB
Jun 1, 2016	0007288519	HAM	Modification	Dismissed	K3JCB
Apr 15, 2016	0007232233	HAM	Administrative update	Granted	K3JCB
Mar 9, 2016	0007175402	HAM	Modification	Dismissed	K3JCB
Feb 18, 2016	0007145900	HAM	Modification	Granted	K3JCB
Jun 18, 2009	0003874515	HAM	Modification	Granted	K3JCB
Mar 31, 2008	0003380087	HAM	Modification	Granted	KG4IGD
Jun 19, 2000	0000170988	HAM	New license	Granted	KG4IGD

Complete licensing history

AE4N Active Amateur Extra · vanity Dec 28, 2018 → expires Dec 28, 2028

Licensee
John C Borkowski III

Address
PO Box 571
Mt Pleasant, SC 29465

FRN
0003478237

Previous call
K3JCB (General)

Last granted
Dec 28, 2018

Effective
Dec 28, 2018

Last action
Dec 28, 2018
FCC actions (2)
- Dec 28, 2018 — Vanity call sign granted VANGRT
- Dec 28, 2018 — License issued LIISS
K3JCB Canceled Amateur Extra · vanity Apr 18, 2008 → Dec 28, 2018 (canceled)

Licensee
John C Borkowski III

Address
PO Box 571
Mt Pleasant, SC 29465

FRN
0003478237

Previous call
KG4IGD (General)

Last granted
Feb 7, 2018

Effective
Feb 7, 2018

Last action
Dec 28, 2018
FCC actions (7)
- Dec 28, 2018 — License canceled LICAN
- Feb 7, 2018 — License renewed LIREN
- Apr 16, 2016 — Administrative update LIAUA
- Feb 18, 2016 — License modified LIMOD
- Jun 18, 2009 — License modified LIMOD
- Apr 18, 2008 — Vanity call sign granted VANGRT
- Apr 18, 2008 — License issued LIISS
KG4IGD Canceled Technician Jun 20, 2000 → Apr 18, 2008 (canceled)

Licensee
John C Borkowski III

Address
1589 Glen Erin Dr
Mt Pleasant, SC 29464
32.8195, -79.8570 (ZIP center) · Grid FM02bt · CQ 5 · ITU 8 · map ↗

FRN
0003478237

Last granted
Jun 20, 2000

Effective
Jun 20, 2000

Last action
Apr 18, 2008
FCC actions (4)
- Apr 18, 2008 — License canceled LICAN
- Jun 28, 2000 — Authorization printed AUTHPR
- Jun 28, 2000 — Record corrected COR
- Jun 20, 2000 — License issued LIISS

Address history

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

Seen Jun 30, 2016 → Oct 4, 2026 · 41 snapshots · as K3JCB
John C Borkowski III
PO Box 571
Mt Pleasant, SC 29465
Seen Nov 7, 2004 → Oct 4, 2026 · 48 snapshots · as KG4IGD
John C Borkowski III
1589 Glen Erin Dr, Mt Pleasant, SC 29464
32.8195, -79.8570 (ZIP center) · Grid FM02bt · CQ 5 · ITU 8 · map ↗
Seen May 27, 2010 → Mar 16, 2016 · 21 snapshots · as K3JCB
John C Borkowski III
1305 S. Barksdale Rd, Mt Pleasant, SC 29464
32.8195, -79.8570 (ZIP center) · Grid FM02bt · CQ 5 · ITU 8 · map ↗

Repeaters within 50 miles

50 repeaters within 50 miles of this ZIP code, 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 · center is the ZIP code (approximate) · 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
1.2	K4IUG	Mt Pleasant K4IUG NONE-USE-C	443.4500	+5	TSQL 100.0	FM (analog) (DMR,FM)	NONE-USE-CONTACT99	—	Mt Pleasant, SC
3.6	WA4USN	Charleston USS WA4USN	146.7900	-0.6	TONE 123.0	FM (analog)		—	Charleston, SC
5.7	W4HRS	Charleston MUSC W4HRS IRLP	145.4500	-0.6	TONE 123.0	FM (analog)	IRLP 4557	—	Charleston, SC
5.7	W4HRS	Charleston MUSC W4HRS	444.8250	+5	TONE 123.0	FM (analog)		—	Charleston, SC
6.8	W4HRS	Charleston W4HRS	145.1600	-0.6	none	D-STAR		—	Charleston, SC
6.8	W4HRS	Charleston W4HRS	444.1125	+5	none	D-STAR		—	Charleston, SC
8.4	K4IUG	Charleston K4IUG	224.6600	-1.6	TSQL 210.7	FM (analog)		—	Charleston, SC
9.4	K4IUG	West Ashley FS 1 K4IUG	443.3750	+5	TSQL 100.0	FM (analog)		—	West Ashley, SC
9.7	WR4SC	Charleston WR4SC	147.1050	+0.6	TSQL 123.0	FM (analog)	🗓 2 nets	2 nets · 207 check-ins · 97 stations	Charleston, SC
9.7	WR4SC	Florence WR4SC	441.5750	+5	TSQL 91.5	FM (analog)	🗓 2 nets	2 nets · 207 check-ins · 97 stations	Florence, SC
9.7	WR4SC	Charleston WR4SC NC-PRN	443.0375	+5	CC1	DMR	NC-PRN 🗓 2 nets	2 nets · 207 check-ins · 97 stations	Charleston, SC
10.8	W4HRS	Charleston W4HRS	444.7750	+5	TONE 123.0	FM (analog)		—	Charleston, SC
11.1	NE2S	Hanahan NE2S BM	439.5000	-5	CC1	DMR	BrandMeister 316694501	—	Hanahan, SC
11.7	WR4SC	Charleston WR4SC	146.7600	-0.6	TSQL 123.0	FM (analog)	🗓 2 nets	2 nets · 207 check-ins · 97 stations	Charleston, SC
11.7	WR4SC	Charleston WR4SC NC-PRN	442.4625	+5	CC1	DMR	NC-PRN 🗓 2 nets	2 nets · 207 check-ins · 97 stations	Charleston, SC
11.7	KR4CHS	Awendaw KR4CHS	145.1200	-0.6	none	D-STAR	🗓 1 net	1 net	Awendaw, SC
16.5	W4HRS	Nort Trident Hos W4HRS	146.7300	-0.6	TONE 123.0	FM (analog)		—	North Charleston, SC
18.6	N2OBS	Ladson N2OBS EchoLink	443.7750	+5	TSQL 123.0	FM (analog)	EchoLink 99729	—	Ladson, SC
20.2	W4HRS	Summerville Med W4HRS	146.9850	-0.6	TONE 123.0	FM (analog)		—	Summerville, SC
20.6	KK4B	Cordesville KK4B	145.3500	-0.6	TSQL 162.2	FM (analog)	🗓 2 nets	2 nets · 35 check-ins · 24 stations	Cordesville, SC
22.1	WX3C Listed as WX3C UHF	SUMMERVILLE WX3C BM	443.3700	+5	CC7	DMR	BrandMeister 311239	—	SUMMERVILLE, SC
22.1	WX3C	Boynton Beach WX3C BM	902.9875	+25	CC7	DMR	BrandMeister 312098	—	Boynton Beach, FL
22.1	WX3C Listed as WX3C VHF	SUMMERVILLE WX3C BM	147.2500	+0.6	CC7	DMR	BrandMeister 312093	—	SUMMERVILLE, SC
22.7	KX4DOR	Summerville KX4DOR	145.2800	-0.6	none	D-STAR		—	Summerville, SC
22.7	KX4DOR	Summerville KX4DOR	442.8375	+5	none	D-STAR		—	Summerville, SC
23.0	KC4ED	Summerville KC4ED	442.3000	+5	none	FM (analog)		—	Summerville, SC
24.1	WA4USN	Seabrook Island WA4USN	145.4100	-0.6	TONE 123.0	FM (analog)		—	Seabrook Island, SC
24.7	N9HQC	Ravenel N9HQC BM	443.9000	+5	TONE 123.0	FM (analog) (DMR,FM)	BrandMeister 314755	—	Ravenel, SC
26.8	WA4USN	Knightsville WA4USN	146.9400	-0.6	TSQL 123.0	FM (analog)		—	Knightsville, SC
26.8	WA4USN	Mount Pleasant WA4USN	441.4500	+5	TSQL 123.0	FM (analog)		—	Mount Pleasant, SC
26.8	WA4NMW	Knightsville WA4NMW	147.2250	+0.6	TSQL 123.0	FM (analog)		—	Knightsville, SC
27.4	K4IUG	Adams Run K4IUG	147.3450	+0.6	TSQL 141.3	FM (analog)		—	Adams Run, SC
27.5	W4BRK	Moncks Corner W4BRK	146.6100	-0.6	TSQL 123.0	FM (analog)		—	Moncks Corner, SC
27.6	W4HRS	Moncks Corne EOC W4HRS	145.4900	-0.6	TONE 103.5	FM (analog)		—	Moncks Corner, SC
32.1	KX4DOR	Ridgeville KX4DOR	443.8000	+5	CC1	DMR		—	Ridgeville, SC
36.3	W4HNK	Dorchester W4HNK	147.1800	+0.6	TONE 123.0	FM (analog)		—	Dorchester, SC
36.3	W4HNK	Dorchester W4HNK	443.8000	+5	TONE 123.0	FM (analog)		—	Dorchester, SC
36.6	W4ANK	Jedburg W4ANK	147.2700	+0.6	TONE 123.0	FM (analog)		—	Jedburg, SC
40.2	KK4B	Russellville KK4B	147.3000	+0.6	TSQL 162.2	FM (analog)	🗓 2 nets	2 nets · 35 check-ins · 24 stations	Russellville, SC
47.4	KG4BZN	Walterboro KG4BZN	147.1350	+0.6	none	FM (analog)		—	Walterboro, SC
47.4	KG4BZN	Walterboro KG4BZN	444.5500	+5	TONE 123.0	FM (analog)		—	Walterboro, SC
48.0	W4HRS	Walterboro Colle W4HRS	444.8500	+5	TONE 123.0	FM (analog)		—	Walterboro, SC
48.2	KA4GDW	Saint George M&M KA4GDW	147.0450	+0.6	TSQL 103.5	FM (analog)		—	Saint George, SC
48.5	WA4SJS	White Hall WA4SJS	146.9100	-0.6	TONE 156.7	FM (analog)		—	White Hall, SC
48.5	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
48.7	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
1.9	KK4ZBE offline	Mt Pleasant E KK4ZBE	146.6850	-0.6	TSQL 162.2	FM (analog)		—	Mt Pleasant, SC
18.6	N2OBS offline	Ladson N2OBS EchoLink	146.8650	-0.6	TONE 123.0	FM (analog)	EchoLink 99729	—	Ladson, SC
48.4	KJ4LNJ offline	Green Pond White KJ4LNJ	444.0750	+5	none	D-STAR		—	Green Pond, SC
48.5	KJ4LNJ offline	Green Pond S.C KJ4LNJ	145.4800	-0.6	none	D-STAR		—	Green Pond, SC

Vanity applications

Filed · Award	Applicant	Requested (in order)	Status
Filed Dec 10, 2018 Granted Dec 28, 2018 0008464741	K3JCB · John C Borkowski III · Amateur Extra PO Box 571 · Mt Pleasant, SC 29465	1.AE4N ✓ granted 2.N4EW held 3.N4UI held 4.N4NG held	Granted got AE4N
Filed Nov 5, 2018 Award date was Nov 23, 2018 0008426658	K3JCB · John C Borkowski III · Amateur Extra PO Box 571 · Mt Pleasant, SC 29465	1.W4ID held 2.N4RF held	Dismissed
Filed Oct 9, 2018 Award date was Oct 27, 2018 0008394607	K3JCB · John C Borkowski III · Amateur Extra PO Box 571 · Mt Pleasant, SC 29465	1.WI4I held	Dismissed
Filed Sep 10, 2018 Award date was Sep 28, 2018 0008361315	K3JCB · John C Borkowski III · Amateur Extra PO Box 571 · Mt Pleasant, SC 29465	1.N4ET held	Dismissed
Filed Jan 11, 2018 Award date was Jan 29, 2018 0008058878	K3JCB · John C Borkowski III · Amateur Extra PO Box 571 · Mt Pleasant, SC 29465	1.W4TU held	Dismissed
Filed Dec 11, 2017 Award date was Dec 29, 2017 0008026057	K3JCB · John C Borkowski III · Amateur Extra PO Box 571 · Mt Pleasant, SC 29465	1.W4IF held	Dismissed
Filed Dec 4, 2017 Award date was Dec 22, 2017 0008016314	K3JCB · John C Borkowski III · Amateur Extra PO Box 571 · Mt Pleasant, SC 29465	1.K4AW held	Dismissed
Filed Sep 15, 2017 Award date was Oct 3, 2017 0007927792	K3JCB · John C Borkowski III · Amateur Extra PO Box 571 · Mt Pleasant, SC 29465	1.K4ME held 2.K4SI held	Dismissed
Filed Mar 23, 2017 Award date was Apr 10, 2017 0007709581	K3JCB · John C Borkowski III · Amateur Extra PO Box 571 · Mt Pleasant, SC 29465	1.K4NX held	Dismissed
Filed Feb 16, 2017 Award date was Mar 6, 2017 0007663893	K3JCB · John C Borkowski III · Amateur Extra PO Box 571 · Mt Pleasant, SC 29465	1.K4ID held	Dismissed
Filed Jan 23, 2017 Award date was Feb 10, 2017 0007629473	K3JCB · John C Borkowski III · Amateur Extra PO Box 571 · Mt Pleasant, SC 29465	1.WE4E held	Dismissed
Filed Sep 9, 2016 Award date was Sep 27, 2016 0007447523	K3JCB · John C Borkowski III · Amateur Extra PO Box 571 · Mt Pleasant, SC 29465	1.N4EG held 2.N4OS held	Dismissed
Filed Aug 19, 2016 Award date was Sep 6, 2016 0007404793	K3JCB · John C Borkowski III · Amateur Extra PO Box 571 · Mt Pleasant, SC 29465	1.W4TF held	Dismissed
Filed Jun 1, 2016 Award date was Jun 19, 2016 0007288519	K3JCB · John C Borkowski III · Amateur Extra PO Box 571 · Mt Pleasant, SC 29465	1.AE4TI held	Dismissed
Filed Mar 9, 2016 Award date was Mar 27, 2016 0007175402	K3JCB · John C Borkowski III · Amateur Extra 1305 S. Barksdale Rd, Mt Pleasant, SC 29464 32.8195, -79.8570 (ZIP center) · Grid FM02bt · CQ 5 · ITU 8 · map ↗	1.WE4C held	Dismissed
Filed Mar 31, 2008 Granted Feb 7, 2018 0003380087	KG4IGD · John C Borkowski III · Technician 1305 S. Barksdale Rd, Mt Pleasant, SC 29464 32.8195, -79.8570 (ZIP center) · Grid FM02bt · CQ 5 · ITU 8 · map ↗	1.K3JCB ✓ granted	Granted got K3JCB