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

K4DIA HAM 📻 GMRS

📻

Also a GMRS licensee

WRQJ302

Active until Apr 28, 2032 · same FCC Registration Number (FRN) · GMRS covers the licensee's immediate family

General class licensed since 2018 (8 yrs) K4DIA since 2019 · previously KN4OMJ Summerville, SC grid EM93va GMRS WRQJ302 67 repeaters within 50 mi

🔒 Not available — currently licensed, through Aug 20, 2029. If it isn't renewed, it opens for vanity requests Aug 21, 2031.

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

📝 K4DIA has filed vanity applications before — latest filed Aug 2, 2019 · what was requested

Currently held by Anthony J Pelfanio Sr · 2 holders on record

Current holder: Anthony J Pelfanio Sr

Held K4DIA Aug 20, 2019 → present · first licensed Aug 15, 2018 as KN4OMJ · 2 licenses · FRN 0027670702

K4DIA Active General · vanity Aug 20, 2019 → expires Aug 20, 2029

Licensee
Anthony J Pelfanio Sr

Address
405 Kilarney Rd
Summerville, SC 29483
33.0339, -80.2326 (street) · Grid EM93va · CQ 5 · ITU 8 · map ↗

FRN
0027670702

Previous call
KN4OMJ (Technician)

Last granted
Aug 20, 2019

Effective
Sep 25, 2026

Last action
Sep 25, 2026
FCC actions (3)
- Sep 25, 2026 — License modified LIMOD
- Aug 20, 2019 — Vanity call sign granted VANGRT
- Aug 20, 2019 — License issued LIISS
KN4OMJ Canceled Technician Aug 15, 2018 → Aug 20, 2019 (canceled)

Licensee
Anthony J Pelfanio Sr

Address
405 Kilarney Rd
Summerville, SC 29483
33.0339, -80.2326 (street) · Grid EM93va · CQ 5 · ITU 8 · map ↗

FRN
0027670702

Last granted
Aug 15, 2018

Effective
Aug 16, 2018

Last action
Aug 20, 2019
FCC actions (5)
- Aug 20, 2019 — License canceled LICAN
- Aug 16, 2018 — Administrative update LIAUA
- Aug 16, 2018 — Administrative update LIAUA
- Aug 15, 2018 — License issued LIISS
- Aug 15, 2018 — 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 3, 2018 → Oct 4, 2026 · 29 snapshots · as KN4OMJ
Anthony J Pelfanio Sr
405 Kilarney Rd, Summerville, SC 29483
33.0339, -80.2326 (street) · Grid EM93va · CQ 5 · ITU 8 · map ↗

Previous holder: MICHAEL D MARRAZZO

Held K4DIA Aug 15, 2003 → Aug 15, 2013 · first licensed Jun 17, 1998 as KF4FGK · 2 licenses · FRN 0009358953

K4DIA Expired General · vanity Aug 15, 2003 → Aug 15, 2013 (expired)

Licensee
MICHAEL D MARRAZZO

Address
169 DEXTER CIR
MADISON, AL 35757
34.7845, -86.7443 (ZIP center) · Grid EM64ps · CQ 4 · ITU 8 · map ↗

FRN
0009358953

Previous call
KF4FGK (Technician)

Last granted
Aug 15, 2003

Effective
Aug 15, 2003

Last action
Aug 18, 2015
FCC actions (3)
- Aug 18, 2015 — License expired LIEXP
- Aug 15, 2003 — Vanity call sign granted VANGRT
- Aug 15, 2003 — License issued LIISS
KF4FGK Canceled General Jun 17, 1998 → Aug 15, 2003 (canceled)

Licensee
MICHAEL D MARRAZZO

Address
169 DEXTER CIR
MADISON, AL 35757
34.7845, -86.7443 (ZIP center) · Grid EM64ps · CQ 4 · ITU 8 · map ↗

FRN
0009358953

Last granted
Jun 17, 1998

Effective
Jun 17, 1998

Last action
Aug 15, 2003
FCC actions (1)
- Aug 15, 2003 — License canceled LICAN

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 · 96 snapshots · as KF4FGK
MICHAEL D MARRAZZO
169 DEXTER CIR, MADISON, AL 35757
34.7845, -86.7443 (ZIP center) · Grid EM64ps · CQ 4 · ITU 8 · map ↗

Vanity applications filed by K4DIA

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 2, 2019 Granted Aug 20, 2019 0008750908	KN4OMJ · Anthony J Pelfanio Sr · Technician Attn: Anthony Pelfanio · 405 Kilarney Rd, Summerville, SC 29483 33.0339, -80.2326 (street) · Grid EM93va · CQ 5 · ITU 8 · map ↗	1.K4DIA ✓ granted 2.W4DIA held	Granted got K4DIA

Others requesting K4DIA

4 applications listed K4DIA as a choice, newest first.

Filed	Award	Applicant	Choice #	Status
Aug 2, 2019	Aug 20, 2019	KN4OMJ · Anthony J Pelfanio Sr · Summerville, SC	1	Granted
Dec 26, 2017	Jan 13, 2018	KN4IKA · AARON R CALDWELL · Haymarket, VA	2	Granted
Sep 18, 2017	Oct 6, 2017	KN4FWL · MANUEL LAUREANO · BEALETON, VA	5	Granted
Jul 28, 2003	Aug 15, 2003	KF4FGK · MICHAEL D MARRAZZO · MADISON, AL	1	Granted

📡 On the air: APRS, digital & WSPR spots

No APRS positions, PSK Reporter reports or WSPR spots for K4DIA in the last 24 hours. They show up here within seconds of K4DIA beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.

📻 GMRS repeaters within 50 miles

2 on the air or of unknown status, closest first · map these & export for a GMRS radio →

Miles	Channel	Output	Tone in	Owner	Location	Access	Status
30	RP18	462.625	D134	WSKM324	St Stephen, SC · Russellville Tower	Open	On the air
49	RP22	462.725	67.0	WSDG351	Beaufort, SC · Paninis Restaurant	Open	On the air

Repeaters within 50 miles

67 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
2.1	WA4NMW	Knightsville WA4NMW	147.2250	+0.6	TSQL 123.0	FM (analog)		—	Knightsville, SC
3.5	KC4ED	Summerville KC4ED	442.3000	+5	none	FM (analog)		—	Summerville, SC
3.5	WA4USN	Knightsville WA4USN	146.9400	-0.6	TSQL 123.0	FM (analog)		—	Knightsville, SC
3.5	WA4USN	Mount Pleasant WA4USN	441.4500	+5	TSQL 123.0	FM (analog)		—	Mount Pleasant, SC
3.6	KX4DOR	Summerville KX4DOR	145.2800	-0.6	none	D-STAR		—	Summerville, SC
3.6	KX4DOR	Summerville KX4DOR	442.8375	+5	none	D-STAR		—	Summerville, SC
5.8	KX4DOR	Ridgeville KX4DOR	443.8000	+5	CC1	DMR		—	Ridgeville, SC
6.4	W4HRS	Summerville Med W4HRS	146.9850	-0.6	TONE 123.0	FM (analog)		—	Summerville, SC
7.0	WX3C Listed as WX3C VHF	SUMMERVILLE WX3C BM	147.2500	+0.6	CC7	DMR	BrandMeister 312093	—	SUMMERVILLE, SC
7.0	WX3C Listed as WX3C UHF	SUMMERVILLE WX3C BM	443.3700	+5	CC7	DMR	BrandMeister 311239	—	SUMMERVILLE, SC
7.0	WX3C	Boynton Beach WX3C BM	902.9875	+25	CC7	DMR	BrandMeister 312098	—	Boynton Beach, FL
7.9	N2OBS	Ladson N2OBS EchoLink	443.7750	+5	TSQL 123.0	FM (analog)	EchoLink 99729	—	Ladson, SC
10.1	W4HRS	Nort Trident Hos W4HRS	146.7300	-0.6	TONE 123.0	FM (analog)		—	North Charleston, SC
10.1	W4HNK	Dorchester W4HNK	147.1800	+0.6	TONE 123.0	FM (analog)		—	Dorchester, SC
10.1	W4HNK	Dorchester W4HNK	443.8000	+5	TONE 123.0	FM (analog)		—	Dorchester, SC
10.4	W4ANK	Jedburg W4ANK	147.2700	+0.6	TONE 123.0	FM (analog)		—	Jedburg, SC
11.8	N9HQC	Ravenel N9HQC BM	443.9000	+5	TONE 123.0	FM (analog) (DMR,FM)	BrandMeister 314755	—	Ravenel, SC
15.3	NE2S	Hanahan NE2S BM	439.5000	-5	CC1	DMR	BrandMeister 316694501	—	Hanahan, SC
16.9	W4BRK	Moncks Corner W4BRK	146.6100	-0.6	TSQL 123.0	FM (analog)		—	Moncks Corner, SC
17.3	W4HRS	Moncks Corne EOC W4HRS	145.4900	-0.6	TONE 103.5	FM (analog)		—	Moncks Corner, SC
19.1	W4HRS	Charleston W4HRS	444.7750	+5	TONE 123.0	FM (analog)		—	Charleston, SC
19.6	KK4B	Cordesville KK4B	145.3500	-0.6	TSQL 162.2	FM (analog)	🗓 2 nets	2 nets · 35 check-ins · 24 stations	Cordesville, SC
20.1	WR4SC	Charleston WR4SC	147.1050	+0.6	TSQL 123.0	FM (analog)	🗓 2 nets	2 nets · 207 check-ins · 97 stations	Charleston, SC
20.1	WR4SC	Florence WR4SC	441.5750	+5	TSQL 91.5	FM (analog)	🗓 2 nets	2 nets · 207 check-ins · 97 stations	Florence, SC
20.1	WR4SC	Charleston WR4SC NC-PRN	443.0375	+5	CC1	DMR	NC-PRN 🗓 2 nets	2 nets · 207 check-ins · 97 stations	Charleston, SC
20.4	K4IUG	West Ashley FS 1 K4IUG	443.3750	+5	TSQL 100.0	FM (analog)		—	West Ashley, SC
20.6	K4IUG	Charleston K4IUG	224.6600	-1.6	TSQL 210.7	FM (analog)		—	Charleston, SC
20.7	W4HRS	Charleston W4HRS	145.1600	-0.6	none	D-STAR		—	Charleston, SC
20.7	W4HRS	Charleston W4HRS	444.1125	+5	none	D-STAR		—	Charleston, SC
22.0	KA4GDW	Saint George M&M KA4GDW	147.0450	+0.6	TSQL 103.5	FM (analog)		—	Saint George, SC
22.3	K4IUG	Adams Run K4IUG	147.3450	+0.6	TSQL 141.3	FM (analog)		—	Adams Run, SC
22.5	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
24.0	W4HRS	Charleston MUSC W4HRS IRLP	145.4500	-0.6	TONE 123.0	FM (analog)	IRLP 4557	—	Charleston, SC
24.0	W4HRS	Charleston MUSC W4HRS	444.8250	+5	TONE 123.0	FM (analog)		—	Charleston, SC
25.2	WA4USN	Charleston USS WA4USN	146.7900	-0.6	TONE 123.0	FM (analog)		—	Charleston, SC
26.7	KG4BZN	Walterboro KG4BZN	147.1350	+0.6	none	FM (analog)		—	Walterboro, SC
26.7	KG4BZN	Walterboro KG4BZN	444.5500	+5	TONE 123.0	FM (analog)		—	Walterboro, SC
26.8	W4HRS	Walterboro Colle W4HRS	444.8500	+5	TONE 123.0	FM (analog)		—	Walterboro, SC
27.2	K4IUG	Mt Pleasant K4IUG NONE-USE-C	443.4500	+5	TSQL 100.0	FM (analog) (DMR,FM)	NONE-USE-CONTACT99	—	Mt Pleasant, SC
29.6	KK4B	Russellville KK4B	147.3000	+0.6	TSQL 162.2	FM (analog)	🗓 2 nets	2 nets · 35 check-ins · 24 stations	Russellville, SC
29.7	KJ4QLH	Vance KJ4QLH	146.8050	-0.6	TSQL 156.7	FM (analog)		—	Vance, SC
31.6	WA4USN	Seabrook Island WA4USN	145.4100	-0.6	TONE 123.0	FM (analog)		—	Seabrook Island, SC
31.7	N7GZT	Vance N7GZT AllStar	442.2000	+5	DCS 023	FM (analog)	AllStar 637122 AllStar 637121	—	Vance, SC
31.8	WR4SC	Charleston WR4SC	146.7600	-0.6	TSQL 123.0	FM (analog)	🗓 2 nets	2 nets · 207 check-ins · 97 stations	Charleston, SC
31.8	WR4SC	Charleston WR4SC NC-PRN	442.4625	+5	CC1	DMR	NC-PRN 🗓 2 nets	2 nets · 207 check-ins · 97 stations	Charleston, SC
31.9	KR4CHS	Awendaw KR4CHS	145.1200	-0.6	none	D-STAR	🗓 1 net	1 net	Awendaw, SC
34.1	KA4GDW	Bowman KA4GDW	146.8350	-0.6	TSQL 179.9	FM (analog)		—	Bowman, SC
34.3	WA4SJS	White Hall WA4SJS	146.9100	-0.6	TONE 156.7	FM (analog)		—	White Hall, SC
34.3	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
34.6	KA4GDW	Bowman KA4GDW	224.7800	-1.6	TSQL 179.9	FM (analog)		—	Bowman, SC
34.9	K4LMD	Branchville K4LMD	145.2100	-0.6	TSQL 100.0	FM (analog)		—	Branchville, SC
37.5	W4APE	Greeleyville W4APE	444.7500	+5	TSQL 123.0	FM (analog)		—	Greeleyville, SC
40.3	W4APE	Greeleyville W4APE EchoLink	145.2300	-0.6	TONE 123.0	FM (analog)	EchoLink 779467	—	Greeleyville, SC
45.1	KM4ABW	Manning Hosp KM4ABW	145.1500	-0.6	TSQL 91.5	FM (analog)		—	Manning, SC
46.7	N0VQE	Beaufort SC N0VQE BM	441.5000	+5	CC1	DMR	BrandMeister 311042910	—	Beaufort, SC 29907, SC
48.8	WR4SC	Beaufort WR4SC NC-PRN	441.9875	+5	CC1	DMR	NC-PRN 🗓 2 nets	2 nets · 207 check-ins · 97 stations	Beaufort, SC
48.8	W4BFT	Beaufort W4BFT	441.9875	+5	CC?	DMR		—	Beaufort, SC
49.0	WR4SC	Orangeburg WR4SC	146.8800	-0.6	TSQL 123.0	FM (analog)	🗓 2 nets	2 nets · 207 check-ins · 97 stations	Orangeburg, SC
49.0	WR4SC	Orangeburg WR4SC NC-PRN	440.5875	+5	CC1	DMR	NC-PRN 🗓 2 nets	2 nets · 207 check-ins · 97 stations	Orangeburg, SC
49.0	WR4SC	Orangeburg WR4SC	441.7500	+5	TONE 123.0	FM (analog)	🗓 2 nets	2 nets · 207 check-ins · 97 stations	Orangeburg, SC
49.2	KK2QQ	Beaufort KK2QQ BM	439.4500	-5	CC1	DMR	BrandMeister 3197669	—	Beaufort, SC
49.4	KJ4QLH	Orangeburg /Calh KJ4QLH	147.3900	+0.6	TSQL 156.7	FM (analog)		—	Orangeburg, SC
49.8	WB4TGK	Bamberg WB4TGK	145.3300	-0.6	TONE 156.7	FM (analog)		—	Bamberg, SC
7.9	N2OBS offline	Ladson N2OBS EchoLink	146.8650	-0.6	TONE 123.0	FM (analog)	EchoLink 99729	—	Ladson, SC
27.3	KK4ZBE offline	Mt Pleasant E KK4ZBE	146.6850	-0.6	TSQL 162.2	FM (analog)		—	Mt Pleasant, SC
34.1	KJ4LNJ offline	Green Pond White KJ4LNJ	444.0750	+5	none	D-STAR		—	Green Pond, SC
34.3	KJ4LNJ offline	Green Pond S.C KJ4LNJ	145.4800	-0.6	none	D-STAR		—	Green Pond, SC