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

JOHN D PIENIADZ

FRN 0003342979 · first licensed Apr 9, 1998 as NL7AJ · 3 licenses on record

📝 FCC applications (7)

Received	File number	Service	Purpose	Status	Call
Jul 7, 2020	0009140391	HAM	Duplicate license	Granted	AK4MW
Oct 23, 2018	0008412565	HAM	Duplicate license	Granted	AK4MW
Sep 20, 2017	0007933832	HAM	Renewal	Granted	AK4MW
Nov 23, 2007	0003238634	HAM	Modification	Granted	KW4JC
Dec 4, 2003	0001534649	HAM	Modification	Granted	NL7AJ
May 22, 2000	0000135958	HAM	Modification	Granted	NL7AJ
Feb 22, 2000	0000084137	HAM	Modification	Granted	NL7AJ

Complete licensing history

AK4MW Active Amateur Extra · vanity Dec 11, 2007 → expires Dec 11, 2027

Licensee
JOHN D PIENIADZ

Address
Attn: John D Pieniadz
148 FOREST LN
HARLEYVILLE, SC 29448
33.1933, -80.4154 (street) · Grid EM93te · CQ 5 · ITU 8 · map ↗

FRN
0003342979

Previous call
KW4JC (Advanced)

Last granted
Sep 21, 2017

Effective
Sep 21, 2017

Last action
Sep 21, 2017
FCC actions (3)
- Sep 21, 2017 — License renewed LIREN
- Dec 11, 2007 — Vanity call sign granted VANGRT
- Dec 11, 2007 — License issued LIISS
KW4JC Canceled Amateur Extra · vanity Dec 23, 2003 → Dec 11, 2007 (canceled)

Licensee
JOHN D PIENIADZ

Address
148 FOREST LN
HARLEYVILLE, SC 29448
33.1933, -80.4154 (street) · Grid EM93te · CQ 5 · ITU 8 · map ↗

FRN
0003342979

Previous call
NL7AJ (Advanced)

Last granted
Dec 23, 2003

Effective
Dec 23, 2003

Last action
Dec 11, 2007
FCC actions (3)
- Dec 11, 2007 — License canceled LICAN
- Dec 23, 2003 — Vanity call sign granted VANGRT
- Dec 23, 2003 — License issued LIISS
NL7AJ Canceled Amateur Extra Apr 9, 1998 → Dec 23, 2003 (canceled)

Licensee
JOHN D PIENIADZ

Address
148 FOREST LN
HARLEYVILLE, SC 29448
33.1933, -80.4154 (street) · Grid EM93te · CQ 5 · ITU 8 · map ↗

FRN
0003342979

Last granted
Apr 9, 1998

Effective
May 23, 2000

Last action
Dec 23, 2003
FCC actions (3)
- Dec 23, 2003 — License canceled LICAN
- May 23, 2000 — License modified LIMOD
- Feb 23, 2000 — License modified LIMOD

Address history

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

Seen Nov 7, 2004 → Oct 4, 2026 · 143 snapshots · as NL7AJ
JOHN D PIENIADZ
148 FOREST LN, HARLEYVILLE, SC 29448
33.1933, -80.4154 (street) · Grid EM93te · CQ 5 · ITU 8 · map ↗

Repeaters within 50 miles

72 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
4.8	W4ANK	Jedburg W4ANK	147.2700	+0.6	TONE 123.0	FM (analog)		—	Jedburg, SC
5.2	W4HNK	Dorchester W4HNK	147.1800	+0.6	TONE 123.0	FM (analog)		—	Dorchester, SC
5.2	W4HNK	Dorchester W4HNK	443.8000	+5	TONE 123.0	FM (analog)		—	Dorchester, SC
9.3	KA4GDW	Saint George M&M KA4GDW	147.0450	+0.6	TSQL 103.5	FM (analog)		—	Saint George, SC
9.3	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
9.5	KX4DOR	Ridgeville KX4DOR	443.8000	+5	CC1	DMR		—	Ridgeville, SC
15.4	WA4NMW	Knightsville WA4NMW	147.2250	+0.6	TSQL 123.0	FM (analog)		—	Knightsville, SC
16.1	WA4USN	Knightsville WA4USN	146.9400	-0.6	TSQL 123.0	FM (analog)		—	Knightsville, SC
16.1	WA4USN	Mount Pleasant WA4USN	441.4500	+5	TSQL 123.0	FM (analog)		—	Mount Pleasant, SC
16.6	KJ4QLH	Vance KJ4QLH	146.8050	-0.6	TSQL 156.7	FM (analog)		—	Vance, SC
17.1	N7GZT	Vance N7GZT AllStar	442.2000	+5	DCS 023	FM (analog)	AllStar 637122 AllStar 637121	—	Vance, SC
18.4	KC4ED	Summerville KC4ED	442.3000	+5	none	FM (analog)		—	Summerville, SC
18.8	KX4DOR	Summerville KX4DOR	145.2800	-0.6	none	D-STAR		—	Summerville, SC
18.8	KX4DOR	Summerville KX4DOR	442.8375	+5	none	D-STAR		—	Summerville, SC
19.0	KA4GDW	Bowman KA4GDW	146.8350	-0.6	TSQL 179.9	FM (analog)		—	Bowman, SC
19.4	KA4GDW	Bowman KA4GDW	224.7800	-1.6	TSQL 179.9	FM (analog)		—	Bowman, SC
19.9	WX3C Listed as WX3C VHF	SUMMERVILLE WX3C BM	147.2500	+0.6	CC7	DMR	BrandMeister 312093	—	SUMMERVILLE, SC
19.9	WX3C Listed as WX3C UHF	SUMMERVILLE WX3C BM	443.3700	+5	CC7	DMR	BrandMeister 311239	—	SUMMERVILLE, SC
19.9	WX3C	Boynton Beach WX3C BM	902.9875	+25	CC7	DMR	BrandMeister 312098	—	Boynton Beach, FL
21.7	W4HRS	Summerville Med W4HRS	146.9850	-0.6	TONE 123.0	FM (analog)		—	Summerville, SC
22.2	K4LMD	Branchville K4LMD	145.2100	-0.6	TSQL 100.0	FM (analog)		—	Branchville, SC
22.8	N2OBS	Ladson N2OBS EchoLink	443.7750	+5	TSQL 123.0	FM (analog)	EchoLink 99729	—	Ladson, SC
23.3	W4BRK	Moncks Corner W4BRK	146.6100	-0.6	TSQL 123.0	FM (analog)		—	Moncks Corner, SC
23.6	W4HRS	Moncks Corne EOC W4HRS	145.4900	-0.6	TONE 103.5	FM (analog)		—	Moncks Corner, SC
23.9	N9HQC	Ravenel N9HQC BM	443.9000	+5	TONE 123.0	FM (analog) (DMR,FM)	BrandMeister 314755	—	Ravenel, SC
24.0	W4HRS	Walterboro Colle W4HRS	444.8500	+5	TONE 123.0	FM (analog)		—	Walterboro, SC
24.7	KG4BZN	Walterboro KG4BZN	147.1350	+0.6	none	FM (analog)		—	Walterboro, SC
24.7	KG4BZN	Walterboro KG4BZN	444.5500	+5	TONE 123.0	FM (analog)		—	Walterboro, SC
24.9	W4HRS	Nort Trident Hos W4HRS	146.7300	-0.6	TONE 123.0	FM (analog)		—	North Charleston, SC
29.9	KK4B	Cordesville KK4B	145.3500	-0.6	TSQL 162.2	FM (analog)	🗓 2 nets	2 nets · 35 check-ins · 24 stations	Cordesville, SC
29.9	KK4B	Russellville KK4B	147.3000	+0.6	TSQL 162.2	FM (analog)	🗓 2 nets	2 nets · 35 check-ins · 24 stations	Russellville, SC
30.4	NE2S	Hanahan NE2S BM	439.5000	-5	CC1	DMR	BrandMeister 316694501	—	Hanahan, SC
33.3	K4IUG	Adams Run K4IUG	147.3450	+0.6	TSQL 141.3	FM (analog)		—	Adams Run, SC
33.8	WR4SC	Orangeburg WR4SC	146.8800	-0.6	TSQL 123.0	FM (analog)	🗓 2 nets	2 nets · 207 check-ins · 97 stations	Orangeburg, SC
33.8	WR4SC	Orangeburg WR4SC NC-PRN	440.5875	+5	CC1	DMR	NC-PRN 🗓 2 nets	2 nets · 207 check-ins · 97 stations	Orangeburg, SC
33.8	WR4SC	Orangeburg WR4SC	441.7500	+5	TONE 123.0	FM (analog)	🗓 2 nets	2 nets · 207 check-ins · 97 stations	Orangeburg, SC
34.1	KJ4QLH	Orangeburg /Calh KJ4QLH	147.3900	+0.6	TSQL 156.7	FM (analog)		—	Orangeburg, SC
34.2	W4APE	Greeleyville W4APE	444.7500	+5	TSQL 123.0	FM (analog)		—	Greeleyville, SC
34.3	W4HRS	Charleston W4HRS	444.7750	+5	TONE 123.0	FM (analog)		—	Charleston, SC
35.3	WR4SC	Charleston WR4SC	147.1050	+0.6	TSQL 123.0	FM (analog)	🗓 2 nets	2 nets · 207 check-ins · 97 stations	Charleston, SC
35.3	WR4SC	Florence WR4SC	441.5750	+5	TSQL 91.5	FM (analog)	🗓 2 nets	2 nets · 207 check-ins · 97 stations	Florence, SC
35.3	WR4SC	Charleston WR4SC NC-PRN	443.0375	+5	CC1	DMR	NC-PRN 🗓 2 nets	2 nets · 207 check-ins · 97 stations	Charleston, SC
35.6	K4IUG	West Ashley FS 1 K4IUG	443.3750	+5	TSQL 100.0	FM (analog)		—	West Ashley, SC
35.8	K4IUG	Charleston K4IUG	224.6600	-1.6	TSQL 210.7	FM (analog)		—	Charleston, SC
36.0	W4HRS	Charleston W4HRS	145.1600	-0.6	none	D-STAR		—	Charleston, SC
36.0	W4HRS	Charleston W4HRS	444.1125	+5	none	D-STAR		—	Charleston, SC
36.1	KM4ABW	Manning Hosp KM4ABW	145.1500	-0.6	TSQL 91.5	FM (analog)		—	Manning, SC
36.4	W4APE	Greeleyville W4APE EchoLink	145.2300	-0.6	TONE 123.0	FM (analog)	EchoLink 779467	—	Greeleyville, SC
36.5	WB4TGK	Bamberg WB4TGK	145.3300	-0.6	TONE 156.7	FM (analog)		—	Bamberg, SC
36.7	WA4SJS	White Hall WA4SJS	146.9100	-0.6	TONE 156.7	FM (analog)		—	White Hall, SC
36.7	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
38.7	N7GZT	Saint Matthews N7GZT	53.2100	-1	none	FM (analog)		—	Saint Matthews, SC
38.7	AD4U	Saint Matthews AD4U	146.6700	-0.6	TSQL 156.7	FM (analog)		—	Saint Matthews, SC
38.9	N7GZT	Saint Hemlock rd N7GZT AllStar	442.7750	+5	TSQL 156.7	FM (analog)	AllStar 637120	—	Saint Matthews, SC
39.3	W4HRS	Charleston MUSC W4HRS IRLP	145.4500	-0.6	TONE 123.0	FM (analog)	IRLP 4557	—	Charleston, SC
39.3	W4HRS	Charleston MUSC W4HRS	444.8250	+5	TONE 123.0	FM (analog)		—	Charleston, SC
40.5	WA4USN	Charleston USS WA4USN	146.7900	-0.6	TONE 123.0	FM (analog)		—	Charleston, SC
40.9	KJ4BWK	Saint Matthews KJ4BWK	145.4000	-0.6	none	D-STAR		—	Saint Matthews, SC
42.2	K4IUG	Mt Pleasant K4IUG NONE-USE-C	443.4500	+5	TSQL 100.0	FM (analog) (DMR,FM)	NONE-USE-CONTACT99	—	Mt Pleasant, SC
44.5	KJ4QLH	Neeses KJ4QLH	147.0900	+0.6	TONE 156.7	FM (analog)		—	Neeses, SC
44.9	WA4USN	Seabrook Island WA4USN	145.4100	-0.6	TONE 123.0	FM (analog)		—	Seabrook Island, SC
45.4	WR4SC	Charleston WR4SC	146.7600	-0.6	TSQL 123.0	FM (analog)	🗓 2 nets	2 nets · 207 check-ins · 97 stations	Charleston, SC
45.4	WR4SC	Charleston WR4SC NC-PRN	442.4625	+5	CC1	DMR	NC-PRN 🗓 2 nets	2 nets · 207 check-ins · 97 stations	Charleston, SC
45.5	KR4CHS	Awendaw KR4CHS	145.1200	-0.6	none	D-STAR	🗓 1 net	1 net	Awendaw, SC
46.2	W4FTK	Wedgefield W4FTK AllStar	147.0600	+0.6	DCS 315	FM (analog)	AllStar 40040 EchoLink 367365 🗓 2 nets	2 nets · 540 check-ins · 248 stations	Wedgefield, SC
48.3	W4GL	Sumter W4GL	147.0150	+0.6	TSQL 156.7	FM (analog)		—	Sumter, SC
48.3	WR4SC	Sumter WR4SC NC-PRN	442.3125	+5	CC1	DMR	NC-PRN 🗓 2 nets	2 nets · 207 check-ins · 97 stations	Sumter, SC
49.5	W4FTK	Sumter W4FTK AllStar	443.3000	+5	DCS 315	FM (analog)	AllStar 40040 EchoLink 367365 🗓 2 nets	2 nets · 540 check-ins · 248 stations	Sumter, SC
22.8	N2OBS offline	Ladson N2OBS EchoLink	146.8650	-0.6	TONE 123.0	FM (analog)	EchoLink 99729	—	Ladson, SC
36.5	KJ4LNJ offline	Green Pond White KJ4LNJ	444.0750	+5	none	D-STAR		—	Green Pond, SC
36.7	KJ4LNJ offline	Green Pond S.C KJ4LNJ	145.4800	-0.6	none	D-STAR		—	Green Pond, SC
42.2	KK4ZBE offline	Mt Pleasant E KK4ZBE	146.6850	-0.6	TSQL 162.2	FM (analog)		—	Mt Pleasant, SC

Vanity applications

Filed · Award	Applicant	Requested (in order)	Status
Filed Nov 23, 2007 Granted Sep 21, 2017 0003238634	KW4JC · JOHN D PIENIADZ · Amateur Extra Attn: John D Pieniadz · 148 FOREST LN, HARLEYVILLE, SC 29448 33.1933, -80.4154 (street) · Grid EM93te · CQ 5 · ITU 8 · map ↗	1.AK4MW ✓ granted	Granted got AK4MW
Filed Dec 4, 2003 Award date was Dec 22, 2003 0001534649	NL7AJ · JOHN D PIENIADZ · Amateur Extra 148 FOREST LN, HARLEYVILLE, SC 29448 33.1933, -80.4154 (street) · Grid EM93te · CQ 5 · ITU 8 · map ↗	1.KW4JC available 2.KT4JC held 3.KO4JC 4.KE4JC held 5.KC2GOD 6.KC4GOD held	Granted