N9TPB FCC License Search

🕒 FCC license data updated today 6:02 am CDT (FCC files through Oct 2, 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

K4CAE HAM

Amateur Extra class licensed since 2010 (16 yrs) K4CAE since 2010 · previously AJ4ZE Columbia, SC grid EM94nc active on 1 net LoTW user eQSL AG heard on PSK Reporter by 2244 69 repeaters within 50 mi

🔒 Not available — currently licensed, through Jun 4, 2030. If it isn't renewed, it opens for vanity requests Jun 5, 2032.

📬 QSL: LoTW user · last upload Sep 26, 2026 · eQSL AG member · QRZ · HamQTH

📝 K4CAE has filed vanity applications before — latest filed May 17, 2010 · what was requested

Currently held by David S Livingston · 1 holder on record

🗓 Active on 1 net · last heard Sep 30, 2026

Current holder: David S Livingston

Held K4CAE Jun 4, 2010 → present · first licensed May 17, 2010 as AJ4ZE · 2 licenses · FRN 0019844687

K4CAE Active Amateur Extra · vanity Jun 4, 2010 → expires Jun 4, 2030

Licensee
David S Livingston

Address
101 Wood Duck Rd
Columbia, SC 29223
34.0958, -80.8763 (street) · Grid EM94nc · CQ 5 · ITU 8 · map ↗

FRN
0019844687

Previous call
AJ4ZE

Last granted
Apr 13, 2020

Effective
Apr 13, 2020

Last action
Apr 13, 2020
FCC actions (3)
- Apr 13, 2020 — License renewed LIREN
- Jun 4, 2010 — Vanity call sign granted VANGRT
- Jun 4, 2010 — License issued LIISS
AJ4ZE Canceled Amateur Extra May 17, 2010 → Jun 4, 2010 (canceled)

Licensee
David S Livingston

Address
101 Wood Duck Rd
Columbia, SC 29223
34.0958, -80.8763 (street) · Grid EM94nc · CQ 5 · ITU 8 · map ↗

FRN
0019844687

Last granted
May 17, 2010

Effective
May 18, 2010

Last action
Jun 4, 2010
FCC actions (5)
- Jun 4, 2010 — License canceled LICAN
- May 18, 2010 — Administrative update LIAUA
- May 18, 2010 — Administrative update LIAUA
- May 17, 2010 — License issued LIISS
- May 17, 2010 — 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 May 27, 2010 → Sep 27, 2026 · 91 snapshots · as AJ4ZE
David S Livingston
101 Wood Duck Rd, Columbia, SC 29223
34.0958, -80.8763 (street) · Grid EM94nc · CQ 5 · ITU 8 · map ↗

Vanity applications filed by K4CAE

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 May 17, 2010 Granted Apr 13, 2020 0004249769	AJ4ZE · David S Livingston · Amateur Extra 101 Wood Duck Rd, Columbia, SC 29223 34.0958, -80.8763 (street) · Grid EM94nc · CQ 5 · ITU 8 · map ↗	1.K4CAE ✓ granted 2.W4SKY held 3.N4NET held	Granted got K4CAE

Others requesting K4CAE

2 applications listed K4CAE as a choice, newest first.

Filed	Award	Applicant	Choice #	Status
May 17, 2010	Jun 4, 2010	AJ4ZE · David S Livingston · Columbia, SC	1	Granted
Feb 28, 2007	Mar 18, 2007	WB4CMU · THOMAS N FOWLER JR · COLUMBIA, SC	3	Granted

Nets

Net	When	Frequency	Role	Times	Last
ALL IN SIMPLEX	Wed 7:15 PM · Wed 8:00 PM ET	146520	Checked in	1	2026-09-30

From nets logged with NetLogger since the start of collection.

📡 On the air: APRS, digital & WSPR spots

📤 Heard by others PSK Reporter

Heard by 2244 stations (7617 reports) · last 16 min ago · FT8, FT4 · grid EM94nc

40m · 101630m · 420m · 174717m · 215m · 110m · 1

Farthest: VK6TDF, 11,467 miles on 20m FT8 (-13 dB)

PSK Reporter map →

📥 Hearing others PSK Reporter

Heard 1667 stations (2688 reports) · last 1 hr ago · FT8, FT4 · grid EM94NC

40m · 46020m · 132015m · 19

Farthest: YC1FMV, 10,487 miles on 20m FT8 (-19 dB)

PSK Reporter map →

Repeaters within 50 miles

69 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
3.8	W4CAE	Fort Jackson W4CAE	146.7750	-0.6	TSQL 156.7	FM (analog)	🗓 2 nets	2 nets · 65 check-ins · 31 stations	Fort Jackson, SC
3.8	WR4SC	Columbia WR4SC	441.7250	+5	TONE 91.5	FM (analog)	🗓 2 nets	2 nets · 207 check-ins · 97 stations	Columbia, SC
3.8	WR4SC	Columbia WR4SC NC-PRN	442.5125	+5	CC1	DMR	NC-PRN 🗓 2 nets	2 nets · 207 check-ins · 97 stations	Columbia, SC
4.2	KJ4BWK	Columbia KJ4BWK	442.2000	+5	none	D-STAR		—	Columbia, SC
4.2	KJ4BWK	Columbia KJ4BWK	1282.2250	+12	none	D-STAR		—	Columbia, SC
5.8	KI4IVP	Elgin KI4IVP WIRES-X	147.2400	+0.6	TSQL 103.5	FM (analog) (FM,C4FM)	WIRES-X 18449	—	Elgin, SC
9.9	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
11.0	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
11.2	W4CAE	Columbia W4CAE AllStar	147.3300	+0.6	TSQL 156.7	FM (analog)	AllStar 494460 🗓 2 nets	2 nets · 65 check-ins · 31 stations	Columbia, SC
11.2	K4HI	Columbia K4HI WIRES-X	147.3600	+0.6	TSQL 100.0	FM (analog)	WIRES-X 64927	—	Columbia, SC
11.2	WR4SC	Columbia Capital WR4SC NC-PRN	440.6125	+5	CC1	DMR	NC-PRN 🗓 2 nets	2 nets · 207 check-ins · 97 stations	Columbia, SC
11.2	K9OH	Columbia K9OH AllStar	444.8750	+5	TSQL 91.5	FM (analog)	AllStar 417861	—	Columbia, SC
13.3	KI4RAX	Lugoff KI4RAX	146.8200	-0.6	TSQL 91.5	FM (analog) (FM,C4FM)		—	Lugoff, SC
13.3	KI4RAX	Lugoff KI4RAX	441.8000	+5	none	D-STAR (DV,DMR)		—	Lugoff, SC
13.4	W4DZF	Columbia St W4DZF	145.2700	-0.6	DCS 632	FM (analog)		—	Columbia, SC
13.7	W4EAE	Cayce W4EAE	433.1000	+5	CC1	DMR		—	Cayce, SC
13.7	W4EAE	Cayce W4EAE	443.1000	+5	none	D-STAR (DMR,DV)		—	Cayce, SC
25.8	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
25.9	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
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
28.7	W4GL	Wedgefield W4GL	145.4300	-0.6	TSQL 156.7	FM (analog)		—	Wedgefield, SC
28.7	KJ4BWK	Saint Matthews KJ4BWK	145.4000	-0.6	none	D-STAR		—	Saint Matthews, SC
29.4	N7GZT	Saint Hemlock rd N7GZT AllStar	442.7750	+5	TSQL 156.7	FM (analog)	AllStar 637120	—	Saint Matthews, SC
29.5	W4GL	Sumter W4GL	441.9500	+5	none	D-STAR		—	Sumter, SC
30.3	AD4U	Saint Matthews AD4U	146.6700	-0.6	TSQL 156.7	FM (analog)		—	Saint Matthews, SC
30.3	N7GZT	Saint Matthews N7GZT	53.2100	-1	none	FM (analog)		—	Saint Matthews, SC
30.9	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
30.9	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
31.4	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
31.4	N4UHF	Little Mountain N4UHF	444.6500	+5	CC0	DMR		—	Little Mountain, SC
32.9	W4GL	Sumter Tuomey W4GL	146.6400	-0.6	TONE 156.7	FM (analog)		—	Sumter, SC
32.9	W4GL	Sumter WRJA W4GL	444.1500	+5	TSQL 123.0	FM (analog) (FM,DV)		—	Sumter, SC
32.9	WR4SC	Sumter WR4SC	147.0150	+0.6	TSQL 156.7	FM (analog)	🗓 2 nets	2 nets · 207 check-ins · 97 stations	Sumter, SC
34.2	N5CWH	Gilbert N5CWH	146.6550	-0.6	TSQL 156.7	FM (analog)		—	Gilbert, SC
34.2	KC4GYM	Gilbert KC4GYM IRLP	224.5600	-1.6	TSQL 162.2	FM (analog)	IRLP 4109	—	Gilbert, SC
36.3	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
37.4	KQ4NOR	Glymphville KQ4NOR AllStar	146.9550	simplex	TONE 186.2	FM (analog)	AllStar 66357	—	Glymphville, SC
37.7	W4GL	Sumter W4GL	147.0150	+0.6	TSQL 156.7	FM (analog)		—	Sumter, SC
37.7	WR4SC	Sumter WR4SC NC-PRN	442.3125	+5	CC1	DMR	NC-PRN 🗓 2 nets	2 nets · 207 check-ins · 97 stations	Sumter, SC
38.1	KJ4QLH	Orangeburg /Calh KJ4QLH	147.3900	+0.6	TSQL 156.7	FM (analog)		—	Orangeburg, SC
38.3	WR4SC	Orangeburg WR4SC	146.8800	-0.6	TSQL 123.0	FM (analog)	🗓 2 nets	2 nets · 207 check-ins · 97 stations	Orangeburg, SC
38.3	WR4SC	Orangeburg WR4SC NC-PRN	440.5875	+5	CC1	DMR	NC-PRN 🗓 2 nets	2 nets · 207 check-ins · 97 stations	Orangeburg, SC
38.3	WR4SC	Orangeburg WR4SC	441.7500	+5	TONE 123.0	FM (analog)	🗓 2 nets	2 nets · 207 check-ins · 97 stations	Orangeburg, SC
38.5	KG4UAL	Leesville KG4UAL AllStar	444.4000	+5	DCS 315	FM (analog)	AllStar 558721	—	Leesville, SC
39.3	W4RRC	Leesville W4RRC AllStar	147.2550	+0.6	TONE 123.0	FM (analog)	AllStar 50790	—	Leesville, SC
41.5	KJ4QLH	Neeses KJ4QLH	147.0900	+0.6	TONE 156.7	FM (analog)		—	Neeses, SC
41.7	W4PSC	Leslie W4PSC	444.7250	+5	DCS 156	FM (analog)	🗓 1 net	1 net · 15 check-ins · 8 stations	Leslie, SC
43.6	W4PAX	Lancaster W4PAX	146.7000	-0.6	TSQL 123.0	FM (analog)		—	Lancaster, SC
43.6	W4PAX	Lancaster W4PAX	444.1000	+5	TONE 192.8	FM (analog)		—	Lancaster, SC
43.6	W4FTK	Richburg W4FTK AllStar	146.7600	-0.6	DCS 315	FM (analog)	AllStar 40040 EchoLink 367365 🗓 2 nets	2 nets · 540 check-ins · 248 stations	Richburg, SC
43.8	KC4IRA	Lancaster Medica KC4IRA AllStar	444.6250	+5		Fusion (C4FM)	AllStar 565231	—	Lancaster, SC
44.4	KW4BET	Chester Near KW4BET XLX056	442.4750	+5	DCS 023	FM (analog) (DMR,FM)	AllStar 474346 EchoLink 442475 IRLP 7609 WIRES-X 46034 WIRES-X 36034 AllStar 474345 XLX056 🗓 1 net	1 net	Chester, SC
44.4	W4CHR	Chester Near W4CHR AllStar	145.3100	-0.6	DCS 145	FM (analog)	AllStar 530447 EchoLink 307645	—	Chester, SC
45.8	no call listed	Florence AllStar	29.6000	simplex	CC0	DMR	AllStar 29419 EchoLink 41809 AllStar 49643	—	Florence, SC
45.8	KA3KDL	Hartsville KA3KDL AllStar	146.6250	-0.6	TSQL 114.8	FM (analog)	AllStar 29419 EchoLink 41809	—	Hartsville, SC
45.8	KF4NQN	Monettta KF4NQN AllStar	446.6000	-5	TONE 156.7	FM (analog)	AllStar 28575	—	Monettta, SC
46.3	WR4SC	Chester WR4SC	440.5750	+5	CC1	DMR	🗓 2 nets	2 nets · 207 check-ins · 97 stations	Chester SC, SC
47.4	KM4ABW	Manning Hosp KM4ABW	145.1500	-0.6	TSQL 91.5	FM (analog)		—	Manning, SC
47.5	W4ULH	Hartsville Carol W4ULH	442.3500	+5	TONE 162.2	FM (analog)		—	Hartsville, SC
48.4	KW4BET	Chester KW4BET AllStar	445.9375	simplex	TONE 67.0	FM (analog)	AllStar 474340 🗓 1 net	1 net	Chester, SC
48.4	KW4BET	Chester KW4BET IRLP	446.0250	simplex	TSQL 77.0	FM (analog)	IRLP 4481 🗓 1 net	1 net	Chester, SC
48.4	KW4BET	Chester NLF Dept KW4BET AllStar	52.5700	simplex	TONE 67.0	FM (analog)	AllStar 474346 EchoLink 442475 IRLP 7609 WIRES-X 46034 AllStar 474344 🗓 1 net	1 net	Chester, SC
48.4	KW4BET	Lewis KW4BET AllStar	146.5350	simplex	TONE 77.0	FM (analog)	AllStar 474349 🗓 1 net	1 net	Lewis, SC
48.4	KW4BET	Lewis KW4BET AllStar	442.1750	+5	none	FM (analog)	AllStar 530449 🗓 1 net	1 net	Lewis SC, SC
49.8	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
11.2	N4EOY offline	Columbia N4EOY	224.9000	-1.6	none	FM (analog)		—	Columbia, SC
14.5	W4EAE offline	Cayce W4EAE IRLP	147.5100	simplex	TSQL 131.8	FM (analog)	IRLP 8255	—	Cayce, SC
20.5	KG4GKY offline	West Columbia KG4GKY IRLP	446.8750	simplex	TSQL 79.7	FM (analog)	IRLP 4045	—	West Columbia, SC
33.7	W4APE offline	Lucknow W4APE EchoLink	146.9250	-0.6	TONE 123.0	FM (analog)	EchoLink 779467	—	Lucknow, SC