N9TPB FCC License Search

🕒 FCC license data updated today 9:42 am CDT (FCC files through Sep 30, 2026) · next update tomorrow 9:15 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

K4SD

🔒 Not available — currently licensed, through May 18, 2031. If it isn't renewed, it opens for vanity requests May 19, 2033.

📬 QSL: not on LoTW · not an eQSL AG member

📝 K4SD has filed vanity applications before — latest filed Apr 30, 2001 · what was requested

Currently held by GORDON M ACHTERHOF · 2 holders on record

Current holder: GORDON M ACHTERHOF

Held K4SD May 15, 2001 → present · first licensed Nov 13, 1998 as K4GMA · 2 licenses · FRN 0003116803

K4SD Active Amateur Extra · vanity May 15, 2001 → expires May 18, 2031

Licensee
GORDON M ACHTERHOF

Address
821 S S CAMPGROUND LN
CROSS, SC 29436
33.3299, -80.1509 (street) · Grid EM93wh · CQ 5 · ITU 8 · map ↗

FRN
0003116803

Previous call
K4GMA (Advanced)

Last granted
Feb 17, 2021

Effective
Feb 17, 2021

Last action
Feb 17, 2021
FCC actions (3)
- Feb 17, 2021 — License renewed LIREN
- May 18, 2011 — License renewed LIREN
- May 15, 2001 — License issued LIISS
K4GMA Canceled Amateur Extra · vanity Nov 13, 1998 → May 15, 2001 (canceled)

Licensee
GORDON M ACHTERHOF

Address
821 S S CAMPGROUND LN
CROSS, SC 29436
33.3299, -80.1509 (street) · Grid EM93wh · CQ 5 · ITU 8 · map ↗

FRN
0003116803

Last granted
Nov 13, 1998

Effective
May 23, 2000

Last action
May 15, 2001
FCC actions (2)
- May 15, 2001 — License canceled LICAN
- May 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 → Sep 27, 2026 · 94 snapshots · as K4GMA
GORDON M ACHTERHOF
821 S S CAMPGROUND LN, CROSS, SC 29436
33.3299, -80.1509 (street) · Grid EM93wh · CQ 5 · ITU 8 · map ↗

Previous holder: DONALD A GRANT

Held K4SD Apr 3, 1990 → Feb 26, 1993 · first licensed Apr 3, 1990 as K4SD · 1 license · no FRN on file (pre-2001 records)

K4SD Canceled Advanced Apr 3, 1990 → Feb 26, 1993 (canceled)

Licensee
DONALD A GRANT

Address
5820 FLINTRIDGE DR APT 324
COLORADO SPRINGS, CO 80918
38.9104, -104.7804 (ZIP center) · Grid DM78ov · CQ 4 · ITU 7 · map ↗

Last granted
Apr 3, 1990

Effective
Apr 3, 1990

Last action
May 3, 2001
FCC actions (2)
- May 3, 2001 — FCC action COR
- May 3, 2001 — FCC action COR

Address history

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

Seen Nov 7, 2004 → Sep 27, 2026 · 47 snapshots · as K4SD
DONALD A GRANT
5820 FLINTRIDGE DR APT 324, COLORADO SPRINGS, CO 80918
38.9104, -104.7804 (ZIP center) · Grid DM78ov · CQ 4 · ITU 7 · map ↗

Vanity applications filed by K4SD

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 Apr 30, 2001 Granted Feb 17, 2021 0000444130	K4GMA · GORDON M ACHTERHOF · Amateur Extra 821 S S CAMPGROUND LN, CROSS, SC 29436 33.3299, -80.1509 (street) · Grid EM93wh · CQ 5 · ITU 8 · map ↗	1.K4SD ✓ granted	Dismissed got K4SD
Filed Apr 27, 2001 Granted Feb 17, 2021 0000441150	K4GMA · GORDON M ACHTERHOF · Amateur Extra 821 S S CAMPGROUND LN, CROSS, SC 29436 33.3299, -80.1509 (street) · Grid EM93wh · CQ 5 · ITU 8 · map ↗	1.K4SD ✓ granted	Granted got K4SD

Others requesting K4SD

10 applications listed K4SD as a choice, newest first.

Filed	Award	Applicant	Choice #	Status
Feb 25, 2020	Mar 14, 2020	KO4BKP · Steve Giustino · Indian Harbour Beach, FL	3	Granted
Feb 16, 2016	Mar 5, 2016	KM4AIM · Ronald De Amorim · Plantation, FL	5	Dismissed
Jan 29, 2016	Feb 16, 2016	N4CND · ORIS A GRIM III · Jefferson, GA	5	Granted
May 14, 2001	Jun 1, 2001	KE4PDP · PHILIP A GAGNER · VIENNA, VA	7	Granted
May 14, 2001	Jun 1, 2001	WB4RCK · JOHN BABBITT · DYERSBURG, TN	4	Dismissed
May 11, 2001	May 29, 2001	W1SBD · SAUL B DINMAN · WAQUOIT, MA	1	Dismissed
May 7, 2001	May 25, 2001	KG4LWB · JACK G LEE JR · ROCKINGHAM, NC	3	Granted
Apr 30, 2001	May 18, 2001	K4GMA · GORDON M ACHTERHOF · CROSS, SC	1	Dismissed
Apr 27, 2001	May 15, 2001	K4GMA · GORDON M ACHTERHOF · CROSS, SC	1	Granted
Apr 9, 2001	Apr 27, 2001	W1SBD · SAUL B DINMAN · WAQUOIT, MA	1	Dismissed

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
12.0	KK4B	Russellville KK4B	147.3000	+0.6	TSQL 162.2	FM (analog)	🗓 2 nets	2 nets · 22 check-ins · 18 stations	Russellville, SC
12.2	W4BRK	Moncks Corner W4BRK	146.6100	-0.6	TSQL 123.0	FM (analog)		—	Moncks Corner, SC
12.3	W4HRS	Moncks Corne EOC W4HRS	145.4900	-0.6	TONE 103.5	FM (analog)		—	Moncks Corner, SC
17.1	W4APE	Greeleyville W4APE	444.7500	+5	TSQL 123.0	FM (analog)		—	Greeleyville, SC
17.3	KJ4QLH	Vance KJ4QLH	146.8050	-0.6	TSQL 156.7	FM (analog)		—	Vance, SC
17.4	W4HNK	Dorchester W4HNK	147.1800	+0.6	TONE 123.0	FM (analog)		—	Dorchester, SC
17.4	W4HNK	Dorchester W4HNK	443.8000	+5	TONE 123.0	FM (analog)		—	Dorchester, SC
17.5	W4ANK	Jedburg W4ANK	147.2700	+0.6	TONE 123.0	FM (analog)		—	Jedburg, SC
19.1	WX3C	Boynton Beach WX3C BM	902.9875	+25	CC7	DMR	BrandMeister 312098	—	Boynton Beach, FL
19.1	WX3C Listed as WX3C UHF	SUMMERVILLE WX3C BM	443.3700	+5	CC7	DMR	BrandMeister 311239	—	SUMMERVILLE, SC
19.1	WX3C Listed as WX3C VHF	SUMMERVILLE WX3C BM	147.2500	+0.6	CC7	DMR	BrandMeister 312093	—	SUMMERVILLE, SC
19.7	W4APE	Greeleyville W4APE EchoLink	145.2300	-0.6	TONE 123.0	FM (analog)	EchoLink 779467	—	Greeleyville, SC
20.4	KK4B	Cordesville KK4B	145.3500	-0.6	TSQL 162.2	FM (analog)	🗓 2 nets	2 nets · 22 check-ins · 18 stations	Cordesville, SC
21.6	KC4ED	Summerville KC4ED	442.3000	+5	none	FM (analog)		—	Summerville, SC
22.2	N7GZT	Vance N7GZT AllStar	442.2000	+5	DCS 023	FM (analog)	AllStar 637122 AllStar 637121	—	Vance, SC
22.4	KX4DOR	Summerville KX4DOR	145.2800	-0.6	none	D-STAR		—	Summerville, SC
22.4	KX4DOR	Summerville KX4DOR	442.8375	+5	none	D-STAR		—	Summerville, SC
22.8	WA4NMW	Knightsville WA4NMW	147.2250	+0.6	TSQL 123.0	FM (analog)		—	Knightsville, SC
23.9	N2OBS	Ladson N2OBS EchoLink	443.7750	+5	TSQL 123.0	FM (analog)	EchoLink 99729	—	Ladson, SC
24.2	WA4USN	Knightsville WA4USN	146.9400	-0.6	TSQL 123.0	FM (analog)		—	Knightsville, SC
24.2	WA4USN	Mount Pleasant WA4USN	441.4500	+5	TSQL 123.0	FM (analog)		—	Mount Pleasant, SC
24.9	W4HRS	Nort Trident Hos W4HRS	146.7300	-0.6	TONE 123.0	FM (analog)		—	North Charleston, SC
24.9	KM4ABW	Manning Hosp KM4ABW	145.1500	-0.6	TSQL 91.5	FM (analog)		—	Manning, SC
25.2	W4HRS	Summerville Med W4HRS	146.9850	-0.6	TONE 123.0	FM (analog)		—	Summerville, SC
26.5	WR4SC	Saint George WR4SC NC-PRN	440.6500	+5	CC1	DMR	NC-PRN 🗓 2 nets	2 nets · 160 check-ins · 87 stations	Saint George, SC
26.7	KA4GDW	Saint George M&M KA4GDW	147.0450	+0.6	TSQL 103.5	FM (analog)		—	Saint George, SC
30.1	NE2S	Hanahan NE2S BM	439.5000	-5	CC1	DMR	BrandMeister 316694501	—	Hanahan, SC
30.9	KA4GDW	Bowman KA4GDW	224.7800	-1.6	TSQL 179.9	FM (analog)		—	Bowman, SC
30.9	KA4GDW	Bowman KA4GDW	146.8350	-0.6	TSQL 179.9	FM (analog)		—	Bowman, SC
32.8	N9HQC	Ravenel N9HQC BM	443.9000	+5	TONE 123.0	FM (analog) (DMR,FM)	BrandMeister 314755	—	Ravenel, SC
36.2	W4HRS	Charleston W4HRS	145.1600	-0.6	none	D-STAR		—	Charleston, SC
36.2	W4HRS	Charleston W4HRS	444.1125	+5	none	D-STAR		—	Charleston, SC
36.6	W4HRS	Charleston W4HRS	444.7750	+5	TONE 123.0	FM (analog)		—	Charleston, SC
37.0	K4IUG	Charleston K4IUG	224.6600	-1.6	TSQL 210.7	FM (analog)		—	Charleston, SC
37.2	WR4SC	Charleston WR4SC	147.1050	+0.6	TSQL 123.0	FM (analog)	🗓 2 nets	2 nets · 160 check-ins · 87 stations	Charleston, SC
37.2	WR4SC	Florence WR4SC	441.5750	+5	TSQL 91.5	FM (analog)	🗓 2 nets	2 nets · 160 check-ins · 87 stations	Florence, SC
37.2	WR4SC	Charleston WR4SC NC-PRN	443.0375	+5	CC1	DMR	NC-PRN 🗓 2 nets	2 nets · 160 check-ins · 87 stations	Charleston, SC
37.4	K4IUG	West Ashley FS 1 K4IUG	443.3750	+5	TSQL 100.0	FM (analog)		—	West Ashley, SC
38.3	WR4SC	Charleston WR4SC	146.7600	-0.6	TSQL 123.0	FM (analog)	🗓 2 nets	2 nets · 160 check-ins · 87 stations	Charleston, SC
38.3	WR4SC	Charleston WR4SC NC-PRN	442.4625	+5	CC1	DMR	NC-PRN 🗓 2 nets	2 nets · 160 check-ins · 87 stations	Charleston, SC
38.3	KR4CHS	Awendaw KR4CHS	145.1200	-0.6	none	D-STAR	🗓 1 net	1 net	Awendaw, SC
38.5	K4LMD	Branchville K4LMD	145.2100	-0.6	TSQL 100.0	FM (analog)		—	Branchville, SC
38.7	W4GL	Sumter W4GL	147.0150	+0.6	TSQL 156.7	FM (analog)		—	Sumter, SC
38.7	WR4SC	Sumter WR4SC NC-PRN	442.3125	+5	CC1	DMR	NC-PRN 🗓 2 nets	2 nets · 160 check-ins · 87 stations	Sumter, SC
39.5	K4IUG	Mt Pleasant K4IUG NONE-USE-C	443.4500	+5	TSQL 100.0	FM (analog) (DMR,FM)	NONE-USE-CONTACT99	—	Mt Pleasant, SC
39.5	W4HRS	Charleston MUSC W4HRS IRLP	145.4500	-0.6	TONE 123.0	FM (analog)	IRLP 4557	—	Charleston, SC
39.5	W4HRS	Charleston MUSC W4HRS	444.8250	+5	TONE 123.0	FM (analog)		—	Charleston, SC
39.8	WA4USN	Charleston USS WA4USN	146.7900	-0.6	TONE 123.0	FM (analog)		—	Charleston, SC
40.3	W4FTK	Sumter W4FTK AllStar	443.3000	+5	DCS 315	FM (analog)	AllStar 40040 EchoLink 367365 🗓 2 nets	2 nets · 340 check-ins · 184 stations	Sumter, SC
41.4	W4HRS	Walterboro Colle W4HRS	444.8500	+5	TONE 123.0	FM (analog)		—	Walterboro, SC
41.5	WR4SC	Orangeburg WR4SC	146.8800	-0.6	TSQL 123.0	FM (analog)	🗓 2 nets	2 nets · 160 check-ins · 87 stations	Orangeburg, SC
41.5	WR4SC	Orangeburg WR4SC NC-PRN	440.5875	+5	CC1	DMR	NC-PRN 🗓 2 nets	2 nets · 160 check-ins · 87 stations	Orangeburg, SC
41.5	WR4SC	Orangeburg WR4SC	441.7500	+5	TONE 123.0	FM (analog)	🗓 2 nets	2 nets · 160 check-ins · 87 stations	Orangeburg, SC
41.9	KG4BZN	Walterboro KG4BZN	147.1350	+0.6	none	FM (analog)		—	Walterboro, SC
41.9	KG4BZN	Walterboro KG4BZN	444.5500	+5	TONE 123.0	FM (analog)		—	Walterboro, SC
41.9	KJ4QLH	Orangeburg /Calh KJ4QLH	147.3900	+0.6	TSQL 156.7	FM (analog)		—	Orangeburg, SC
42.1	N7GZT	Saint Hemlock rd N7GZT AllStar	442.7750	+5	TSQL 156.7	FM (analog)	AllStar 637120	—	Saint Matthews, SC
42.3	W4GL	Sumter Tuomey W4GL	146.6400	-0.6	TONE 156.7	FM (analog)		—	Sumter, SC
42.3	W4GL	Sumter WRJA W4GL	444.1500	+5	TSQL 123.0	FM (analog) (FM,DV)		—	Sumter, SC
42.3	WR4SC	Sumter WR4SC	147.0150	+0.6	TSQL 156.7	FM (analog)	🗓 2 nets	2 nets · 160 check-ins · 87 stations	Sumter, SC
42.3	W4FTK	Wedgefield W4FTK AllStar	147.0600	+0.6	DCS 315	FM (analog)	AllStar 40040 EchoLink 367365 🗓 2 nets	2 nets · 340 check-ins · 184 stations	Wedgefield, SC
42.9	N7GZT	Saint Matthews N7GZT	53.2100	-1	none	FM (analog)		—	Saint Matthews, SC
42.9	AD4U	Saint Matthews AD4U	146.6700	-0.6	TSQL 156.7	FM (analog)		—	Saint Matthews, SC
43.3	K4IUG	Adams Run K4IUG	147.3450	+0.6	TSQL 141.3	FM (analog)		—	Adams Run, SC
43.8	WR4SC	Lake City WR4SC NC-PRN	440.6375	+5	CC1	DMR	NC-PRN 🗓 2 nets	2 nets · 160 check-ins · 87 stations	Lake City, SC
44.5	W4GL	Sumter W4GL	441.9500	+5	none	D-STAR		—	Sumter, SC
45.2	KJ4BWK	Saint Matthews KJ4BWK	145.4000	-0.6	none	D-STAR		—	Saint Matthews, SC
46.1	W4GL	Wedgefield W4GL	145.4300	-0.6	TSQL 156.7	FM (analog)		—	Wedgefield, SC
49.5	WR4SC	Georgetown WR4SC NC-PRN	441.8125	+5	CC1	DMR	NC-PRN 🗓 2 nets	2 nets · 160 check-ins · 87 stations	Georgetown, SC
23.9	N2OBS offline	Ladson N2OBS EchoLink	146.8650	-0.6	TONE 123.0	FM (analog)	EchoLink 99729	—	Ladson, SC
38.3	NE4SC offline	Kingstree NE4SC	145.3100	-0.6	TONE 123.0	FM (analog)		—	Kingstree, SC
39.1	KK4ZBE offline	Mt Pleasant E KK4ZBE	146.6850	-0.6	TSQL 162.2	FM (analog)		—	Mt Pleasant, SC

Data courtesy of RepeaterBook.com