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

N4RFJ HAM

✅ Available for a vanity request — free since Jul 20, 2017.

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 · 2 holders on record · available since Jul 20, 2017

Previous holder: Joseph K Boston

Held N4RFJ Jul 19, 2005 → Jul 19, 2015 · first licensed Feb 28, 2003 as KD4GJJ · 2 licenses · FRN 0008529141

N4RFJ Expired Amateur Extra · vanity Jul 19, 2005 → Jul 19, 2015 (expired)

Licensee
Joseph K Boston

Address
5522 Sharon Terrace
Jacksonville, FL 32207
30.2896, -81.6410 (ZIP center) · Grid EM90eg · CQ 5 · ITU 8 · map ↗

FRN
0008529141

Previous call
KD4GJJ (General)

Last granted
Jul 19, 2005

Effective
Aug 9, 2005

Last action
Jul 20, 2017
FCC actions (4)
- Jul 20, 2017 — License expired LIEXP
- Aug 9, 2005 — License modified LIMOD
- Jul 19, 2005 — Vanity call sign granted VANGRT
- Jul 19, 2005 — License issued LIISS
KD4GJJ Canceled General Feb 28, 2003 → Jul 19, 2005 (canceled)

Licensee
Joseph K Boston

Address
5225 Cruz Rd
Jacksonville, FL 32207
30.2896, -81.6410 (ZIP center) · Grid EM90eg · CQ 5 · ITU 8 · map ↗

FRN
0008529141

Last granted
Feb 28, 2003

Effective
Jun 21, 2005

Last action
Jul 19, 2005
FCC actions (4)
- Jul 19, 2005 — License canceled LICAN
- Jun 21, 2005 — License modified LIMOD
- Feb 28, 2003 — License renewed LIREN
- Feb 28, 2003 — FCC action LITIN

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 N4RFJ
Joseph K Boston
5522 Sharon Terrace, Jacksonville, FL 32207
30.2896, -81.6410 (ZIP center) · Grid EM90eg · CQ 5 · ITU 8 · map ↗
Seen Nov 7, 2004 → Oct 4, 2026 · 48 snapshots · as KD4GJJ
JOSEPH K BOSTON
5225 CRUZ RD, JACKSONVILLE, FL 32207
30.2896, -81.6410 (ZIP center) · Grid EM90eg · CQ 5 · ITU 8 · map ↗

Previous holder: JOANNE E WINTZINGER

Held N4RFJ Aug 9, 1988 → Aug 9, 1998 · first licensed Aug 9, 1988 as N4RFJ · 1 license · no FRN on file (pre-2001 records)

N4RFJ Expired General Aug 9, 1988 → Aug 9, 1998 (expired)

Licensee
JOANNE E WINTZINGER

Address
4746 E COVINA
MESA, AZ 85205
33.4332, -111.7136 (ZIP center) · Grid DM43dk · CQ 3 · ITU 6 · map ↗

Last granted
Aug 9, 1988

Effective
Aug 9, 1988

Last action
Aug 10, 2000
FCC actions (1)
- Aug 10, 2000 — License expired LIEXP

Address history

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

Seen Nov 7, 2004 → Oct 4, 2026 · 48 snapshots · as N4RFJ
JOANNE E WINTZINGER
4746 E COVINA, MESA, AZ 85205
33.4332, -111.7136 (ZIP center) · Grid DM43dk · CQ 3 · ITU 6 · map ↗

Others requesting N4RFJ

1 application listed N4RFJ as a choice, newest first.

Filed	Award	Applicant	Choice #	Status
Jun 29, 2005	Jul 17, 2005	KD4GJJ · Joseph K Boston · Jacksonville, FL	1	Granted

📡 On the air: APRS, digital & WSPR spots

No APRS positions, PSK Reporter reports or WSPR spots for N4RFJ in the last 24 hours. They show up here within seconds of N4RFJ beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.