N9TPB FCC License Search

🕒 FCC license data updated today 7:15 am CDT (FCC files through Oct 4, 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

KC4SDR HAM

✅ Available for a vanity request — free since Jul 25, 2022.

2x3 call: any licensee can request it. No pending applications list it.

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

Not currently held · 1 holder on record · available since Jul 25, 2022

Previous holder: BARBARA K STEWART

Held KC4SDR Nov 22, 2000 → Jul 24, 2020 · first licensed Nov 22, 2000 as KC4SDR · 1 license · FRN 0004102265

KC4SDR Expired Novice Nov 22, 2000 → Jul 24, 2020 (expired)

Licensee
BARBARA K STEWART

Address
486 N WARREN AVE
COLUMBUS, OH 43204-3471
39.9607, -83.0825 (ZIP center) · Grid EM89lx · CQ 4 · ITU 8 · map ↗

FRN
0004102265

Last granted
Apr 30, 2010

Effective
Apr 30, 2010

Last action
Jul 26, 2022
FCC actions (4)
- Jul 26, 2022 — License expired LIEXP
- Apr 30, 2010 — License renewed LIREN
- Apr 30, 2010 — License modified LIMOD
- Nov 22, 2000 — License renewed LIREN

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 KC4SDR
BARBARA K STEWART
486 N WARREN AVE, COLUMBUS, OH 43204-3471
39.9607, -83.0825 (ZIP center) · Grid EM89lx · CQ 4 · ITU 8 · map ↗
Seen Nov 7, 2004 · 1 snapshot · as KC4SDR
BARBARA K MC GILVRAY
486 N WARREN AVE, COLUMBUS, OH 43204-3471
39.9607, -83.0825 (ZIP center) · Grid EM89lx · CQ 4 · ITU 8 · map ↗

Others requesting KC4SDR

4 applications listed KC4SDR as a choice, newest first.

Filed	Award	Applicant	Choice #	Status
Aug 12, 2026	Aug 30, 2026	W4MKH · Marshall K Harrison · Saint Johns, FL	6	Granted
Aug 12, 2026	Aug 30, 2026	W4MKH · MARSHALL K HARRISON · Rutherfordton, NC	7	Dismissed
Mar 31, 2026	Apr 18, 2026	KC4JGT · LYNDALL C SARGENT · QUINTON, VA	5	Granted
Feb 13, 2025	Mar 3, 2025	KR4BJI · Sociedad Dominicana De Radioaficionados · Miami, FL	3	Granted

📡 On the air: APRS, digital & WSPR spots

No APRS positions, PSK Reporter reports or WSPR spots for KC4SDR in the last 24 hours. They show up here within seconds of KC4SDR beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.