N9TPB FCC License Search

🕒 FCC license data updated today 7:15 am CDT (FCC files through Oct 4, 2026) · next update today 9:45 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

KC0TWK HAM

Technician class licensed since 2005 (21 yrs) Clear Lake, SD grid EN14ps 17 repeaters within 50 mi

🔒 Not available — currently licensed, through Feb 17, 2025. If it isn't renewed, it opens for vanity requests Feb 18, 2027.

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

Currently held by Mark R Law · 1 holder on record

Current holder: Mark R Law

Held KC0TWK Feb 17, 2005 → present · first licensed Feb 17, 2005 as KC0TWK · 1 license · FRN 0012820171

KC0TWK Active Technician Feb 17, 2005 → expires Feb 17, 2025

Licensee
Mark R Law

Address
PO Box 487
CLEAR LAKE, SD 57226-0487
44.7881, -96.7306 (ZIP center) · Grid EN14ps · CQ 4 · ITU 7 · map ↗

FRN
0012820171

Last granted
Feb 27, 2015

Effective
Feb 27, 2015

Last action
Feb 27, 2015
FCC actions (3)
- Feb 27, 2015 — License renewed LIREN
- Feb 17, 2005 — License issued LIISS
- Feb 17, 2005 — 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 → Oct 4, 2026 · 47 snapshots · as KC0TWK
Mark R Law
PO Box 487
Clear Lake, SD 57226-0487
44.7881, -96.7306 (ZIP center) · Grid EN14ps · CQ 4 · ITU 7 · map ↗

Others requesting KC0TWK

1 application listed KC0TWK as a choice, newest first.

Filed	Award	Applicant	Choice #	Status
Jun 18, 2007	Jul 6, 2007	KD0AWA · TRENTON W KELLEY · RAYTOWN, MO	5	Granted

📡 On the air: APRS, digital & WSPR spots

No APRS positions, PSK Reporter reports or WSPR spots for KC0TWK in the last 24 hours. They show up here within seconds of KC0TWK beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.

Repeaters within 50 miles

17 repeaters within 50 miles of this ZIP code, 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 · center is the ZIP code (approximate) · 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
8.3	K0BBC	Clear Lake Bar-X K0BBC	444.3000	+5	TSQL 136.5	FM (analog) (FM,C4FM)		—	Clear Lake, SD
11.1	KC0OVC	Toronto KC0OVC	146.7750	-0.6	TONE 146.2	FM (analog)		—	Toronto, SD
19.7	KE0WPC	Toronto KE0WPC	443.0750	+5	TSQL 141.3	FM (analog)		—	Toronto, SD
19.7	KE0WPC	Toronto KE0WPC AllStar	446.2500	simplex	TONE 146.2	FM (analog)	AllStar 632881	—	Toronto, SD
20.7	W0WTN	Watertown W0WTN	146.8500	-0.6	TSQL 67.0	FM (analog)		—	Watertown, SD
20.9	K0TY	Watertown K0TY	442.0000	+5	TSQL 146.2	FM (analog)		—	Watertown, SD
24.9	W0BXO	Brookings W0BXO EchoLink	146.9400	-0.6	TONE 110.9	FM (analog)	EchoLink 409605	—	Brookings, SD
27.1	KB0LCR	Watertown KB0LCR BM	443.7250	+5	CC1	DMR	BrandMeister 312336	—	Watertown, SD
31.1	K0LQP	Madison K0LQP EchoLink	146.7300	-0.6	TONE 146.2	FM (analog) (C4FM,FM)	EchoLink 275196	—	Madison, MN
38.3	NY0I	Ortonville NY0I	444.5000	+5	TONE 146.2	FM (analog) (C4FM,FM)		—	Ortonville, MN
49.1	N0PTW	Webster N0PTW	443.9250	+5		Fusion (C4FM)		—	Webster, SD
49.1	KB0WSV	Colman KB0WSV	443.2250	+5	TONE 146.2	FM (analog)		—	Colman, SD
49.8	NY0I	Montevideo NY0I	147.1200	+0.6	TSQL 146.2	FM (analog) (C4FM,FM)		—	Montevideo, MN
19.8	W0WTN offline	Castlewood W0WTN	443.1000	+5	TSQL 146.2	FM (analog) (FM,C4FM)		—	Castlewood, SD
33.5	N0VEK offline	Volga N0VEK WIRES-X	444.0500	+5	TSQL 136.5	FM (analog) (FM,C4FM)	WIRES-X 11225	—	Volga, SD
45.9	WB6AMY offline	Tyler WB6AMY	145.1100	-0.6	TONE 146.2	FM (analog)		—	Tyler, MN
46.1	KB0NLY offline	Tyler KB0NLY EchoLink	444.6750	+5	TONE 136.5	FM (analog) (C4FM,FM)	EchoLink 573818	—	Tyler, MN