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

N4RSM HAM 📻 GMRS

📻

Also a GMRS licensee

WROI845

Active until Oct 21, 2031 · same FCC Registration Number (FRN) · GMRS covers the licensee's immediate family

Amateur Extra class licensed since 2021 (5 yrs) N4RSM since 2021 · previously KO4PKN Sumter, SC grid EM93tw active on 6 nets GMRS WROI845 67 repeaters within 50 mi

🔒 Not available — currently licensed, through Aug 17, 2031. If it isn't renewed, it opens for vanity requests Aug 18, 2033.

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

📝 N4RSM has filed vanity applications before — latest filed Jul 30, 2021 · what was requested

Currently held by Richard S Marks · 2 holders on record

🗓 Active on 6 nets · last heard Oct 1, 2026

Current holder: Richard S Marks

Held N4RSM Aug 17, 2021 → present · first licensed Apr 15, 2021 as KO4PKN · 2 licenses · FRN 0030631105

N4RSM Active Amateur Extra · vanity Aug 17, 2021 → expires Aug 17, 2031

Licensee
Richard S Marks

Address
2819 Hathaway Dr
Sumter, SC 29154
33.9171, -80.4092 (street) · Grid EM93tw · CQ 5 · ITU 8 · map ↗

FRN
0030631105

Previous call
KO4PKN (General)

Last granted
Aug 17, 2021

Effective
Jun 25, 2024

Last action
Jun 25, 2024
FCC actions (3)
- Jun 25, 2024 — License modified LIMOD
- Aug 17, 2021 — Vanity call sign granted VANGRT
- Aug 17, 2021 — License issued LIISS
KO4PKN Canceled General Apr 15, 2021 → Aug 17, 2021 (canceled)

Licensee
Richard S Marks

Address
2819 Hathaway Pl
Sumter, SC 29154
33.8153, -80.4353 (ZIP center) · Grid EM93st · CQ 5 · ITU 8 · map ↗

FRN
0030631105

Last granted
Apr 15, 2021

Effective
Apr 15, 2021

Last action
Aug 17, 2021
FCC actions (3)
- Aug 17, 2021 — License canceled LICAN
- Apr 15, 2021 — License issued LIISS
- Apr 15, 2021 — 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 Apr 16, 2022 → Oct 4, 2026 · 13 snapshots · as N4RSM
Richard S Marks
2819 Hathaway Dr, Sumter, SC 29154
33.9171, -80.4092 (street) · Grid EM93tw · CQ 5 · ITU 8 · map ↗
Seen Apr 16, 2022 → Oct 4, 2026 · 13 snapshots · as KO4PKN
Richard S Marks
2819 Hathaway Pl, Sumter, SC 29154
33.8153, -80.4353 (ZIP center) · Grid EM93st · CQ 5 · ITU 8 · map ↗

Previous holder: DANIEL J SCARR

Held N4RSM Dec 25, 2006 → Feb 19, 2017 · first licensed Dec 25, 2006 as N4RSM · 1 license · FRN 0015888514

N4RSM Expired General Dec 25, 2006 → Feb 19, 2017 (expired)

Licensee
DANIEL J SCARR

Address
607 SCHOOL ROAD
MCKINLEYVILLE, CA 95519
40.9630, -124.0525 (ZIP center) · Grid CN70xx · CQ 3 · ITU 6 · map ↗

FRN
0015888514

Last granted
Dec 27, 2006

Effective
Oct 21, 2013

Last action
Feb 20, 2019
FCC actions (4)
- Feb 20, 2019 — License expired LIEXP
- Oct 21, 2013 — Administrative update LIAUA
- Dec 27, 2006 — License renewed LIREN
- Dec 25, 2006 — FCC action ESCFRN

Address history

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

Seen Mar 28, 2014 → Oct 4, 2026 · 38 snapshots · as N4RSM
DANIEL J SCARR
607 SCHOOL ROAD, MCKINLEYVILLE, CA 95519
40.9630, -124.0525 (ZIP center) · Grid CN70xx · CQ 3 · ITU 6 · map ↗
Seen May 27, 2010 → Oct 22, 2013 · 9 snapshots · as N4RSM
DANIEL J SCARR
Attn: Dan Scarr
1143 Railroad Drive, McKinleyville, CA 95519
40.9630, -124.0525 (ZIP center) · Grid CN70xx · CQ 3 · ITU 6 · map ↗
Seen Nov 7, 2004 · 1 snapshot · as N4RSM
DANIEL J SCARR
442 REDWOOD AVE, ARCATA, CA 95521
40.8434, -124.0453 (ZIP center) · Grid CN70xu · CQ 3 · ITU 6 · map ↗

Vanity applications filed by N4RSM

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 Jul 30, 2021 Granted Aug 17, 2021 0009642489	KO4PKN · Richard S Marks · General Attn: Richard S Marks · 2819 Hathaway Dr, Sumter, SC 29154 33.9171, -80.4092 (street) · Grid EM93tw · CQ 5 · ITU 8 · map ↗	1.N4RSM ✓ granted	Granted got N4RSM
Filed Jul 29, 2021 Award date was Aug 16, 2021 0009641491	KO4PKN · Richard S Marks · General 2819 Hathaway Pl, Sumter, SC 29154 33.8153, -80.4353 (ZIP center) · Grid EM93st · CQ 5 · ITU 8 · map ↗	1.M4RSM	Dismissed

Others requesting N4RSM

1 application listed N4RSM as a choice, newest first.

Filed	Award	Applicant	Choice #	Status
Jul 30, 2021	Aug 17, 2021	KO4PKN · Richard S Marks · Sumter, SC	1	Granted

Nets

Net	When	Frequency	Role	Times	Last
STEM NET	Thu 6:00 PM · Thu 6:15 PM · Thu 6:30 PM ET	146.760	Checked in	3	2026-10-01
SCHEART NET THURSDAY AM	Thu 8:30 AM · Thu 8:45 AM ET	441.525	Checked in	3	2026-09-24
Catawba Valley Radio Net	Thu 7:15 PM ET	146.850	Checked in	2	2026-09-10
SCHEART-Thursday	Thu 8:45 AM ET	145.35	Checked in	1	2026-10-01
SCHEART - Thursday	Thu 8:15 AM ET	147.345	Checked in	1	2026-09-10
NWS Midlands Skywarn Weather Net	Tue 7:00 PM ET	Various	Checked in	1	2026-09-08

From nets logged with NetLogger since the start of collection.

📡 On the air: APRS, digital & WSPR spots

No APRS positions, PSK Reporter reports or WSPR spots for N4RSM in the last 24 hours. They show up here within seconds of N4RSM beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.

📻 GMRS repeaters within 50 miles

9 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
4	RP15	462.550	141.3	WRDG771	Sumter, SC · Kaitlynn's Cafe	Open	On the air
42	RP18	462.625	79.7	WRQU236	Florence, SC	Open	On the air
44	RP20	462.675	123.0	WQOY993	Cleveland, SC · Caesars Head	Closed	On the air
44	RP18	462.625	141.3	WRAM265	Rock Hill, SC · Newport	Open	On the air
44	RP19	462.650	D165	WRFH302	Travelers Rest, SC · Paris Mountain	Closed	On the air
44	RP18	462.625	141.3	WRJI479	Ballentine, SC · Lake Murray	Open	On the air
44	RP18	462.625	D134	WSKM324	St Stephen, SC · Russellville Tower	Open	On the air
45	RP15	462.550	141.3	WRMX283	Kershaw, SC · Kershaw Builders Supply	Open	On the air
47	RP15	462.550	103.5	WSBP556	Lexington, SC · Lake Murray Dam	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
1.8	W4GL	Sumter W4GL	441.9500	+5	none	D-STAR		—	Sumter, SC
3.2	W4GL	Wedgefield W4GL	145.4300	-0.6	TSQL 156.7	FM (analog)		—	Wedgefield, SC
3.9	W4GL	Sumter Tuomey W4GL	146.6400	-0.6	TONE 156.7	FM (analog)		—	Sumter, SC
3.9	W4GL	Sumter WRJA W4GL	444.1500	+5	TSQL 123.0	FM (analog) (FM,DV)		—	Sumter, SC
3.9	WR4SC	Sumter WR4SC	147.0150	+0.6	TSQL 156.7	FM (analog)	🗓 2 nets	2 nets · 207 check-ins · 97 stations	Sumter, SC
7.1	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
8.1	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
8.3	W4GL	Sumter W4GL	147.0150	+0.6	TSQL 156.7	FM (analog)		—	Sumter, SC
8.3	WR4SC	Sumter WR4SC NC-PRN	442.3125	+5	CC1	DMR	NC-PRN 🗓 2 nets	2 nets · 207 check-ins · 97 stations	Sumter, SC
19.5	KM4ABW	Manning Hosp KM4ABW	145.1500	-0.6	TSQL 91.5	FM (analog)		—	Manning, SC
25.1	N7GZT	Saint Hemlock rd N7GZT AllStar	442.7750	+5	TSQL 156.7	FM (analog)	AllStar 637120	—	Saint Matthews, SC
25.8	KI4RAX	Lugoff KI4RAX	146.8200	-0.6	TSQL 91.5	FM (analog) (FM,C4FM)		—	Lugoff, SC
25.8	KI4RAX	Lugoff KI4RAX	441.8000	+5	none	D-STAR (DV,DMR)		—	Lugoff, SC
26.0	W4CAE	Fort Jackson W4CAE	146.7750	-0.6	TSQL 156.7	FM (analog)	🗓 2 nets	2 nets · 93 check-ins · 43 stations	Fort Jackson, SC
27.4	N7GZT	Saint Matthews N7GZT	53.2100	-1	none	FM (analog)		—	Saint Matthews, SC
27.4	AD4U	Saint Matthews AD4U	146.6700	-0.6	TSQL 156.7	FM (analog)		—	Saint Matthews, SC
28.1	KI4IVP	Elgin KI4IVP WIRES-X	147.2400	+0.6	TSQL 103.5	FM (analog) (FM,C4FM)	WIRES-X 18449	—	Elgin, SC
28.2	KJ4BWK	Saint Matthews KJ4BWK	145.4000	-0.6	none	D-STAR		—	Saint Matthews, SC
29.7	KJ4BWK	Columbia KJ4BWK	442.2000	+5	none	D-STAR		—	Columbia, SC
29.7	KJ4BWK	Columbia KJ4BWK	1282.2250	+12	none	D-STAR		—	Columbia, SC
31.0	no call listed	Florence AllStar	29.6000	simplex	CC0	DMR	AllStar 29419 EchoLink 41809 AllStar 49643	—	Florence, SC
31.0	KA3KDL	Hartsville KA3KDL AllStar	146.6250	-0.6	TSQL 114.8	FM (analog)	AllStar 29419 EchoLink 41809	—	Hartsville, SC
33.1	KQ4MVG	Timmonsville KQ4MVG	147.3150	+0.6	TSQL 77.0	FM (analog)		—	Timmonsville, SC
33.3	WR4SC	Columbia WR4SC	441.7250	+5	TONE 91.5	FM (analog)	🗓 2 nets	2 nets · 207 check-ins · 97 stations	Columbia, SC
33.3	WR4SC	Columbia WR4SC NC-PRN	442.5125	+5	CC1	DMR	NC-PRN 🗓 2 nets	2 nets · 207 check-ins · 97 stations	Columbia, SC
33.4	KJ4QLH	Vance KJ4QLH	146.8050	-0.6	TSQL 156.7	FM (analog)		—	Vance, SC
33.5	W4APE	Greeleyville W4APE EchoLink	145.2300	-0.6	TONE 123.0	FM (analog)	EchoLink 779467	—	Greeleyville, SC
34.5	N7GZT	Vance N7GZT AllStar	442.2000	+5	DCS 023	FM (analog)	AllStar 637122 AllStar 637121	—	Vance, SC
34.6	W4ULH	Hartsville Carol W4ULH	442.3500	+5	TONE 162.2	FM (analog)		—	Hartsville, SC
35.0	WD4KFD	Florence I-95/Rt WD4KFD	442.5250	+5	TONE 210.7	FM (analog)		—	Florence, SC
35.2	WR4SC	Orangeburg WR4SC	146.8800	-0.6	TSQL 123.0	FM (analog)	🗓 2 nets	2 nets · 207 check-ins · 97 stations	Orangeburg, SC
35.2	WR4SC	Orangeburg WR4SC NC-PRN	440.5875	+5	CC1	DMR	NC-PRN 🗓 2 nets	2 nets · 207 check-ins · 97 stations	Orangeburg, SC
35.2	WR4SC	Orangeburg WR4SC	441.7500	+5	TONE 123.0	FM (analog)	🗓 2 nets	2 nets · 207 check-ins · 97 stations	Orangeburg, SC
35.2	KJ4QLH	Orangeburg /Calh KJ4QLH	147.3900	+0.6	TSQL 156.7	FM (analog)		—	Orangeburg, SC
35.7	KQ4MKW	Darlington S Ca KQ4MKW BM	445.5125	-5	CC1	DMR	BrandMeister 321045702	—	Darlington, South Ca, SC
35.7	W4APE	Greeleyville W4APE	444.7500	+5	TSQL 123.0	FM (analog)		—	Greeleyville, SC
36.2	W4EAE	Cayce W4EAE	433.1000	+5	CC1	DMR		—	Cayce, SC
36.2	W4EAE	Cayce W4EAE	443.1000	+5	none	D-STAR (DMR,DV)		—	Cayce, SC
36.3	W4CAE	Columbia W4CAE AllStar	147.3300	+0.6	TSQL 156.7	FM (analog)	AllStar 494460 🗓 2 nets	2 nets · 93 check-ins · 43 stations	Columbia, SC
36.3	K4HI	Columbia K4HI WIRES-X	147.3600	+0.6	TSQL 100.0	FM (analog)	WIRES-X 64927	—	Columbia, SC
36.3	WR4SC	Columbia Capital WR4SC NC-PRN	440.6125	+5	CC1	DMR	NC-PRN 🗓 2 nets	2 nets · 207 check-ins · 97 stations	Columbia, SC
36.3	K9OH	Columbia K9OH AllStar	444.8750	+5	TSQL 91.5	FM (analog)	AllStar 417861	—	Columbia, SC
36.4	W4FTK	Columbia W4FTK AllStar	442.8750	+5	DCS 315	FM (analog)	AllStar 40040 EchoLink 367365 🗓 2 nets	2 nets · 540 check-ins · 248 stations	Columbia, SC
37.6	WR4SC	Lake City WR4SC NC-PRN	440.6375	+5	CC1	DMR	NC-PRN 🗓 2 nets	2 nets · 207 check-ins · 97 stations	Lake City, SC
38.3	W4FTK	Blythewood W4FTK AllStar	443.6500	+5	DCS 315	FM (analog)	AllStar 40040 EchoLink 367365 🗓 2 nets	2 nets · 540 check-ins · 248 stations	Blythewood, SC
39.7	WX4ARC	Florence WX4ARC TGIF	442.2875	+5	CC1	DMR	TGIF	—	Florence, SC
40.9	KB4RRC	Florence KB4RRC	147.2550	+0.6	TSQL 162.2	FM (analog)		—	Florence, SC
40.9	KB4RRC	Darlington FDTC KB4RRC	444.8000	+5	TSQL 91.5	FM (analog)		—	Darlington, SC
41.1	W4DZF	Columbia St W4DZF	145.2700	-0.6	DCS 632	FM (analog)		—	Columbia, SC
41.1	W4ULH	Florence MUSC W4ULH	444.0000	+5	TONE 123.0	FM (analog)		—	Florence, SC
41.2	W4APE	Florence W4APE EchoLink	147.1950	+0.6	TONE 123.0	FM (analog)	EchoLink 779467	—	Florence, SC
41.5	KA4GDW	Bowman KA4GDW	224.7800	-1.6	TSQL 179.9	FM (analog)		—	Bowman, SC
41.6	KB4RRC	Florence City KB4RRC	146.9700	-0.6	TONE 167.9	FM (analog)		—	Florence, SC
41.9	KJ4OEF	Florence MRM Ctr KJ4OEF	444.8500	+5	TSQL 162.2	FM (analog)		—	Florence, SC
42.2	KA4GDW	Bowman KA4GDW	146.8350	-0.6	TSQL 179.9	FM (analog)		—	Bowman, SC
42.6	KJ4OEF	Darlington KJ4OEF	444.6000	+5	TONE 162.2	FM (analog)		—	Darlington, SC
44.4	KK4B	Russellville KK4B	147.3000	+0.6	TSQL 162.2	FM (analog)	🗓 2 nets	2 nets · 35 check-ins · 24 stations	Russellville, SC
45.6	WR4SC	Florence WR4SC	146.6850	-0.6	TSQL 91.5	FM (analog)	🗓 2 nets	2 nets · 207 check-ins · 97 stations	Florence, SC
45.6	W4ULH	Florence WJPM W4ULH	146.8500	-0.6	TSQL 123.0	FM (analog)		—	Florence, SC
45.6	W4APE	Florence W4APE EchoLink	442.0500	+5	TONE 123.0	FM (analog)	EchoLink 779467	—	Florence, SC
45.6	WR4SC	Florence WR4SC NC-PRN	442.1625	+5	CC1	DMR	NC-PRN 🗓 2 nets	2 nets · 207 check-ins · 97 stations	Florence, SC
47.3	KJ4QLH	Neeses KJ4QLH	147.0900	+0.6	TONE 156.7	FM (analog)		—	Neeses, SC
26.3	W4APE offline	Lucknow W4APE EchoLink	146.9250	-0.6	TONE 123.0	FM (analog)	EchoLink 779467	—	Lucknow, SC
36.3	N4EOY offline	Columbia N4EOY	224.9000	-1.6	none	FM (analog)		—	Columbia, SC
38.2	W4EAE offline	Cayce W4EAE IRLP	147.5100	simplex	TSQL 131.8	FM (analog)	IRLP 8255	—	Cayce, SC
40.6	NE4SC offline	Kingstree NE4SC	145.3100	-0.6	TONE 123.0	FM (analog)		—	Kingstree, SC
44.1	KG4GKY offline	West Columbia KG4GKY IRLP	446.8750	simplex	TSQL 79.7	FM (analog)	IRLP 4045	—	West Columbia, SC