N9TPB FCC License Search

🕒 FCC license data updated yesterday 7:15 am CDT (FCC files through Oct 4, 2026) · next update today 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

David R Carlson Sr

FRN 0022576235 · first licensed Apr 4, 2013 as KC3AJA · 3 licenses on record

📝 FCC applications (8)

Received	File number	Service	Purpose	Status	Call
Feb 10, 2020	0008970409	HAM	Modification	Granted	K3OLF
Jan 21, 2020	0008950796	HAM	Modification	Dismissed	K3OLF
Jan 21, 2020	0008948387	HAM	Modification	Dismissed	K3OLF
Nov 6, 2018	0008428139	HAM	Administrative update	Granted	K3OLF
Sep 29, 2014	0006481232	HAM	Administrative update	Granted	K3OLF
May 3, 2013	0005764566	HAM	Modification	Granted	KC3AJA
Apr 29, 2013	0005757792	HAM	Modification	Granted	KC3AJA
Apr 4, 2013	0005720740	HAM	New license	Granted	KC3AJA

Complete licensing history

K4RRY Active General · vanity Feb 28, 2020 → expires Feb 28, 2030

Licensee
David R Carlson Sr

Address
PO Box 29053
465 Lawndale drive
Gaston, SC 29170
33.8561, -81.0649 (street) · Grid EM93lu · CQ 5 · ITU 8 · map ↗

FRN
0022576235

Previous call
K3OLF (Technician)

Last granted
Feb 28, 2020

Effective
Feb 28, 2020

Last action
Feb 28, 2020
FCC actions (2)
- Feb 28, 2020 — Vanity call sign granted VANGRT
- Feb 28, 2020 — License issued LIISS
📦 Moved: Butler, PA → Gaston, SC

K3OLF Canceled General · vanity May 21, 2013 → Feb 28, 2020 (canceled)

Licensee
David R Carlson Sr

Address
PO Box 29053
465 Lawndale drive
Gaston, SC 29170
33.8561, -81.0649 (street) · Grid EM93lu · CQ 5 · ITU 8 · map ↗

FRN
0022576235

Previous call
KC3AJA (Technician)

Last granted
May 21, 2013

Effective
Nov 7, 2018

Last action
Feb 28, 2020
FCC actions (5)
- Feb 28, 2020 — License canceled LICAN
- Nov 7, 2018 — Administrative update LIAUA
- Sep 30, 2014 — Administrative update LIAUA
- May 21, 2013 — Vanity call sign granted VANGRT
- May 21, 2013 — License issued LIISS
KC3AJA Canceled General Apr 4, 2013 → May 21, 2013 (canceled)

Licensee
David R Carlson Sr

Address
218 Baumgart Ln
Butler, PA 16001
40.9100, -79.9452 (ZIP center) · Grid FN00av · CQ 5 · ITU 8 · map ↗

FRN
0022576235

Last granted
Apr 4, 2013

Effective
Apr 29, 2013

Last action
May 21, 2013
FCC actions (4)
- May 21, 2013 — License canceled LICAN
- Apr 29, 2013 — License modified LIMOD
- Apr 4, 2013 — License issued LIISS
- Apr 4, 2013 — 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 Jan 22, 2019 → Oct 4, 2026 · 28 snapshots · as K3OLF
David R Carlson Sr
PO Box 29053
465 Lawndale drive, Gaston, SC 29170
33.8561, -81.0649 (street) · Grid EM93lu · CQ 5 · ITU 8 · map ↗
Seen Apr 12, 2013 → Oct 4, 2026 · 43 snapshots · as KC3AJA
David R Carlson Sr
218 Baumgart Ln, Butler, PA 16001
40.9100, -79.9452 (ZIP center) · Grid FN00av · CQ 5 · ITU 8 · map ↗
Seen Mar 28, 2015 → Sep 3, 2018 · 21 snapshots · as K3OLF
David R Carlson Sr
215 coronado road, west columbia, SC 29170
33.9391, -81.1446 (ZIP center) · Grid EM93kw · CQ 5 · ITU 8 · map ↗

Repeaters within 50 miles

80 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
6.7	W4EAE	Cayce W4EAE	433.1000	+5	CC1	DMR		—	Cayce, SC
6.7	W4EAE	Cayce W4EAE	443.1000	+5	none	D-STAR (DMR,DV)		—	Cayce, SC
10.1	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
10.1	K4HI	Columbia K4HI WIRES-X	147.3600	+0.6	TSQL 100.0	FM (analog)	WIRES-X 64927	—	Columbia, SC
10.1	WR4SC	Columbia Capital WR4SC NC-PRN	440.6125	+5	CC1	DMR	NC-PRN 🗓 2 nets	2 nets · 207 check-ins · 97 stations	Columbia, SC
10.1	K9OH	Columbia K9OH AllStar	444.8750	+5	TSQL 91.5	FM (analog)	AllStar 417861	—	Columbia, SC
10.4	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
14.2	W4DZF	Columbia St W4DZF	145.2700	-0.6	DCS 632	FM (analog)		—	Columbia, SC
15.7	KJ4BWK	Columbia KJ4BWK	442.2000	+5	none	D-STAR		—	Columbia, SC
15.7	KJ4BWK	Columbia KJ4BWK	1282.2250	+12	none	D-STAR		—	Columbia, SC
16.0	K4LLE	Lexington S K4LLE	147.0000	+0.6	TSQL 123.0	FM (analog) (FM,P25)	🗓 2 nets	2 nets · 70 check-ins · 30 stations	Lexington, SC
18.8	KJ4BWK	Saint Matthews KJ4BWK	145.4000	-0.6	none	D-STAR		—	Saint Matthews, SC
19.2	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
19.6	WR4SC	Columbia WR4SC	441.7250	+5	TONE 91.5	FM (analog)	🗓 2 nets	2 nets · 207 check-ins · 97 stations	Columbia, SC
19.6	WR4SC	Columbia WR4SC NC-PRN	442.5125	+5	CC1	DMR	NC-PRN 🗓 2 nets	2 nets · 207 check-ins · 97 stations	Columbia, SC
20.0	N5CWH	Gilbert N5CWH	146.6550	-0.6	TSQL 156.7	FM (analog)		—	Gilbert, SC
20.0	KC4GYM	Gilbert KC4GYM IRLP	224.5600	-1.6	TSQL 162.2	FM (analog)	IRLP 4109	—	Gilbert, SC
21.1	AD4U	Saint Matthews AD4U	146.6700	-0.6	TSQL 156.7	FM (analog)		—	Saint Matthews, SC
21.1	N7GZT	Saint Matthews N7GZT	53.2100	-1	none	FM (analog)		—	Saint Matthews, SC
21.9	N7GZT	Saint Hemlock rd N7GZT AllStar	442.7750	+5	TSQL 156.7	FM (analog)	AllStar 637120	—	Saint Matthews, SC
23.2	KJ4QLH	Neeses KJ4QLH	147.0900	+0.6	TONE 156.7	FM (analog)		—	Neeses, SC
25.3	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
25.3	KJ4QLH	Orangeburg /Calh KJ4QLH	147.3900	+0.6	TSQL 156.7	FM (analog)		—	Orangeburg, SC
25.5	KI4IVP	Elgin KI4IVP WIRES-X	147.2400	+0.6	TSQL 103.5	FM (analog) (FM,C4FM)	WIRES-X 18449	—	Elgin, SC
25.7	WR4SC	Orangeburg WR4SC	146.8800	-0.6	TSQL 123.0	FM (analog)	🗓 2 nets	2 nets · 207 check-ins · 97 stations	Orangeburg, SC
25.7	WR4SC	Orangeburg WR4SC NC-PRN	440.5875	+5	CC1	DMR	NC-PRN 🗓 2 nets	2 nets · 207 check-ins · 97 stations	Orangeburg, SC
25.7	WR4SC	Orangeburg WR4SC	441.7500	+5	TONE 123.0	FM (analog)	🗓 2 nets	2 nets · 207 check-ins · 97 stations	Orangeburg, SC
26.1	KG4UAL	Leesville KG4UAL AllStar	444.4000	+5	DCS 315	FM (analog)	AllStar 558721	—	Leesville, SC
26.7	W4RRC	Leesville W4RRC AllStar	147.2550	+0.6	TONE 123.0	FM (analog)	AllStar 50790 🗓 1 net	1 net · 10 check-ins · 10 stations	Leesville, SC
28.6	WR4SC	Little Mountain WR4SC NC-PRN	443.5375	+5	CC1	DMR	NC-PRN 🗓 2 nets	2 nets · 207 check-ins · 97 stations	Little Mountain, SC
30.1	W4FTK	Little Mt W4FTK AllStar	443.8750	+5	DCS 315	FM (analog)	AllStar 40040 EchoLink 367365 🗓 2 nets	2 nets · 540 check-ins · 248 stations	Little Mt, SC
30.1	W4FTK	Little Mountain W4FTK AllStar	146.6250	-0.6	DCS 315	FM (analog)	AllStar 40040 EchoLink 367365 🗓 2 nets	2 nets · 540 check-ins · 248 stations	Little Mountain, SC
30.7	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
30.8	WR4SC	Little Mountain WR4SC	147.2100	+0.6	TSQL 156.7	FM (analog)	🗓 2 nets	2 nets · 207 check-ins · 97 stations	Little Mountain, SC
30.8	N4UHF	Little Mountain N4UHF	444.6500	+5	CC0	DMR		—	Little Mountain, SC
31.8	KF4NQN	Monettta KF4NQN AllStar	446.6000	-5	TONE 156.7	FM (analog)	AllStar 28575	—	Monettta, SC
32.5	KI4RAX	Lugoff KI4RAX	146.8200	-0.6	TSQL 91.5	FM (analog) (FM,C4FM)		—	Lugoff, SC
32.5	KI4RAX	Lugoff KI4RAX	441.8000	+5	none	D-STAR (DV,DMR)		—	Lugoff, SC
34.3	K1LVA	Aiken K1LVA AllStar	145.7700	simplex	TONE 131.8	FM (analog)	AllStar 28249 EchoLink 179307	—	Aiken, SC
38.7	WB4TGK	Bamberg WB4TGK	145.3300	-0.6	TONE 156.7	FM (analog)		—	Bamberg, SC
38.7	W4GL	Wedgefield W4GL	145.4300	-0.6	TSQL 156.7	FM (analog)		—	Wedgefield, SC
38.8	W4GL	Sumter W4GL	441.9500	+5	none	D-STAR		—	Sumter, SC
39.8	W4FTK	Saluda Sheriffs W4FTK AllStar	147.7500	-0.6	TONE 123.0	FM (analog)	AllStar EchoLink 🗓 2 nets	2 nets · 540 check-ins · 248 stations	Saluda, SC
40.6	KA4GDW	Bowman KA4GDW	224.7800	-1.6	TSQL 179.9	FM (analog)		—	Bowman, SC
41.2	KA4GDW	Bowman KA4GDW	146.8350	-0.6	TSQL 179.9	FM (analog)		—	Bowman, SC
41.3	N2ZZ	Aiken N2ZZ BM	443.4625	+5	CC1	DMR	BrandMeister 314500 🗓 4 nets	4 nets · 97 check-ins · 62 stations	Aiken, SC
41.7	W4GL	Sumter Tuomey W4GL	146.6400	-0.6	TONE 156.7	FM (analog)		—	Sumter, SC
41.7	W4GL	Sumter WRJA W4GL	444.1500	+5	TSQL 123.0	FM (analog) (FM,DV)		—	Sumter, SC
41.7	WR4SC	Sumter WR4SC	147.0150	+0.6	TSQL 156.7	FM (analog)	🗓 2 nets	2 nets · 207 check-ins · 97 stations	Sumter, SC
42.4	KQ4NOR	Glymphville KQ4NOR AllStar	146.9550	simplex	TONE 186.2	FM (analog)	AllStar 66357	—	Glymphville, SC
42.5	KR4AIK	Aiken Old Hosp KR4AIK	145.1600	-0.6	none	D-STAR		—	Aiken, SC
42.5	KR4AIK	Aiken Old Hosp KR4AIK	443.4125	+5	none	D-STAR		—	Aiken, SC
42.8	N4ADM	Aiken N4ADM	147.2850	+0.6	none	FM (analog)		—	Aiken, SC
42.9	N4ADI	Aiken N4ADI	146.8050	-0.6	none	FM (analog)		—	Aiken, SC
42.9	N4ADI	Aiken N4ADI	440.7125	+5	none	D-STAR		—	Aiken, SC
42.9	N4ADI	Aiken N4ADI	443.0000	+5	none	FM (analog) (DMR,FM)		—	Aiken, SC
42.9	N4ADI	Aiken N4ADI BM	444.0375	+5	CC0	DMR	BrandMeister 310972	—	Aiken, SC
42.9	N4ADI	Aiken N4ADI	927.7000	-25	none	P25		—	Aiken, SC
43.2	AF4E	Saluda Wtr Tank AF4E AllStar	146.9100	-0.6	TSQL 123.0	FM (analog)	AllStar 458591	—	Saluda, SC
43.3	N7GZT	Vance N7GZT AllStar	442.2000	+5	DCS 023	FM (analog)	AllStar 637122 AllStar 637121	—	Vance, SC
44.6	WR4SC	Aiken WR4SC	441.5250	+5	TONE 91.5	FM (analog)	🗓 2 nets	2 nets · 207 check-ins · 97 stations	Aiken, SC
44.7	N2ZZ	Aiken Reg Med N2ZZ EchoLink	145.3500	-0.6	TSQL 156.7	FM (analog)	EchoLink 5764 🗓 4 nets	4 nets · 97 check-ins · 62 stations	Aiken, SC
44.7	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
45.2	W4DV	Trenton W4DV	145.3900	-0.6	TSQL 71.9	FM (analog)	🗓 5 nets	5 nets · 435 check-ins · 89 stations	Trenton, SC
45.2	W4DV	Trenton W4DV	442.5500	+5	CC1	DMR	🗓 5 nets	5 nets · 435 check-ins · 89 stations	Trenton, SC
45.5	KK4BQ	Barnwell KK4BQ	147.3750	+0.6	TONE 91.5	FM (analog)		—	Barnwell, SC
45.5	WR4SC	Barnwell WR4SC	147.0300	+0.6	TSQL 156.7	FM (analog)	🗓 2 nets	2 nets · 207 check-ins · 97 stations	Barnwell, SC
45.6	W4GL	Sumter W4GL	147.0150	+0.6	TSQL 156.7	FM (analog)		—	Sumter, SC
45.6	WR4SC	Sumter WR4SC NC-PRN	442.3125	+5	CC1	DMR	NC-PRN 🗓 2 nets	2 nets · 207 check-ins · 97 stations	Sumter, SC
47.1	KJ4QLH	Vance KJ4QLH	146.8050	-0.6	TSQL 156.7	FM (analog)		—	Vance, SC
47.6	WR4EC	Edgefield WR4EC	146.8500	-0.6	TSQL 91.5	FM (analog)		—	Edgefield, SC
47.6	K4LMD	Branchville K4LMD	145.2100	-0.6	TSQL 100.0	FM (analog)		—	Branchville, SC
50.0	KK4BQ	Barnwell KK4BQ	147.0300	+0.6	TONE 156.7	FM (analog)		—	Barnwell, SC
50.0	WR4SC	Barnwell WR4SC NC-PRN	440.6875	+5	CC1	DMR	NC-PRN 🗓 2 nets	2 nets · 207 check-ins · 97 stations	Barnwell, SC
50.0	WR4SC	Barnwell WR4SC	442.0000	+5	TONE 91.5	FM (analog)	🗓 2 nets	2 nets · 207 check-ins · 97 stations	Barnwell, SC
7.4	W4EAE offline	Cayce W4EAE IRLP	147.5100	simplex	TSQL 131.8	FM (analog)	IRLP 8255	—	Cayce, SC
8.6	KG4GKY offline	West Columbia KG4GKY IRLP	446.8750	simplex	TSQL 79.7	FM (analog)	IRLP 4045	—	West Columbia, SC
10.1	N4EOY offline	Columbia N4EOY	224.9000	-1.6	none	FM (analog)		—	Columbia, SC
42.9	N4ADI offline	Punta Gorda N4ADI	444.6500	+5	CC?	DMR		—	Punta Gorda, FL
45.5	KK4BQ offline	Barnwell KK4BQ	449.2500	-5	TONE 156.7	FM (analog)		—	Barnwell, SC

Vanity applications

Filed · Award	Applicant	Requested (in order)	Status
Filed Feb 10, 2020 Granted Feb 28, 2020 0008970409	K3OLF · David R Carlson Sr · General PO Box 29053 · 465 Lawndale drive, Gaston, SC 29170 33.8561, -81.0649 (street) · Grid EM93lu · CQ 5 · ITU 8 · map ↗	1.K4RRY ✓ granted 2.K4RRZ held	Granted got K4RRY
Filed Jan 21, 2020 Award date was Feb 8, 2020 0008948387	K3OLF · David R Carlson Sr · General PO Box 29053 · 465 Lawndale drive, Gaston, SC 29170 33.8561, -81.0649 (street) · Grid EM93lu · CQ 5 · ITU 8 · map ↗	1.K4RRZ held	Dismissed
Filed Jan 21, 2020 Granted Feb 28, 2020 0008950796	K3OLF · David R Carlson Sr · General Attn: David Carlson Sr · PO Box 29053 · 465 Lawndale dr, Gaston, SC 29053 33.8275, -81.0909 (ZIP center) · Grid EM93kt · CQ 5 · ITU 8 · map ↗	1.K4RRY ✓ granted 2.K4BNO	Dismissed got K4RRY
Filed May 3, 2013 Granted May 21, 2013 0005764566	KC3AJA · David R Carlson Sr · General 218 Baumgart Ln, Butler, PA 16001 40.9100, -79.9452 (ZIP center) · Grid FN00av · CQ 5 · ITU 8 · map ↗	1.K3OLF ✓ granted 2.W3RDX held	Granted got K3OLF