N9TPB FCC License Search

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

K4RBA HAM

✅ Available for a vanity request — free since Apr 12, 2015.

1x3 call: Technician, General, Advanced and Amateur Extra licensees 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 Apr 12, 2015

Previous holder: ROBERT A ADAMS

Held K4RBA Apr 11, 2003 → Apr 11, 2013 · first licensed Oct 9, 2001 as KG4POA · 2 licenses · FRN 0005356159

K4RBA Expired General · vanity Apr 11, 2003 → Apr 11, 2013 (expired)

Licensee
ROBERT A ADAMS

Address
336 CITY AVE
LANCASTER, SC 29720
34.7453, -80.7433 (ZIP center) · Grid EM94pr · CQ 5 · ITU 8 · map ↗

FRN
0005356159

Previous call
KG4POA (Technician)

Last granted
Apr 11, 2003

Effective
May 24, 2007

Last action
Apr 14, 2015
FCC actions (5)
- Apr 14, 2015 — License expired LIEXP
- May 24, 2007 — License modified LIMOD
- Feb 27, 2007 — Administrative update LIAUA
- Apr 11, 2003 — Vanity call sign granted VANGRT
- Apr 11, 2003 — License issued LIISS
KG4POA Canceled Technician Oct 9, 2001 → Apr 11, 2003 (canceled)

Licensee
Robert A Adams

Address
345 City Ave
Lancaster, SC 29720
34.7453, -80.7433 (ZIP center) · Grid EM94pr · CQ 5 · ITU 8 · map ↗

FRN
0005356159

Last granted
Oct 9, 2001

Effective
Oct 9, 2001

Last action
Apr 11, 2003
FCC actions (2)
- Apr 11, 2003 — License canceled LICAN
- Oct 9, 2001 — License issued LIISS

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 · 46 snapshots · as K4RBA
ROBERT A ADAMS
336 CITY AVE, LANCASTER, SC 29720
34.7453, -80.7433 (ZIP center) · Grid EM94pr · CQ 5 · ITU 8 · map ↗
Seen Nov 7, 2004 → Sep 27, 2026 · 48 snapshots · as KG4POA
Robert A Adams
345 City Ave, Lancaster, SC 29720
34.7453, -80.7433 (ZIP center) · Grid EM94pr · CQ 5 · ITU 8 · map ↗

Others requesting K4RBA

5 applications listed K4RBA as a choice, newest first.

Filed	Award	Applicant	Choice #	Status
Aug 27, 2025	Sep 14, 2025	KR4GKJ · Timothy R Diaz · Phenix City, AL	2	Granted
Sep 29, 2021	Oct 17, 2021	KN4ZZD · Avery L Arnold · Dalton, GA	5	Granted
Feb 23, 2021	Mar 13, 2021	KK4RBA · David T Cloft · HILLMAN, MI	5	Granted
Jan 29, 2019	Feb 16, 2019	KC7YYG · KENNETH D FOOTE JR · BYRON, GA	7	Granted
Mar 24, 2003	Apr 11, 2003	KG4POA · Robert A Adams · Lancaster, SC	1	Granted

📡 On the air: APRS, digital & WSPR spots

No APRS positions, PSK Reporter reports or WSPR spots for K4RBA in the last 24 hours. They show up here within seconds of K4RBA beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.