🕒 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
KG4CZU HAM
✅
Available for a vanity request — free since Oct 1, 2007.
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 Oct 1, 2007
Previous holder: Christopher G Plumblee
Held KG4CZU Apr 27, 1999 → Sep 30, 2005
· first licensed Apr 27, 1999 as KG4CZU
· 4 licenses · FRN 0003987922
W4WF
Active
Amateur Extra · vanity
Nov 24, 2018 → expires Nov 24, 2028
Licensee Christopher G Plumblee
Address 4719 Fontana Street Orlando, FL 32807
28.5322, -81.3273 (street) · Grid
EL98im · CQ 5 · ITU 8 ·
map ↗
FRN 0003987922
Previous call WF3C (Technician)
Last granted Nov 24, 2018
Effective Nov 24, 2018
Last action Nov 24, 2018
FCC actions (2)
Nov 24, 2018 — Vanity call sign granted VANGRT Nov 24, 2018 — License issued LIISS
WF3C
Canceled
Amateur Extra · vanity
Apr 15, 2006 → Nov 24, 2018 (canceled)
Licensee Christopher G Plumblee
Address 4719 Fontana Street Orlando, FL 32807
28.5322, -81.3273 (street) · Grid
EL98im · CQ 5 · ITU 8 ·
map ↗
FRN 0003987922
Previous call AI4MK (Technician)
Last granted Mar 25, 2016
Effective Mar 25, 2016
Last action Nov 24, 2018
FCC actions (6)
Nov 24, 2018 — License canceled LICAN Mar 25, 2016 — License renewed LIREN Dec 18, 2012 — Administrative update LIAUA Oct 6, 2006 — Administrative update LIAUA Apr 15, 2006 — Vanity call sign granted VANGRT Apr 15, 2006 — License issued LIISS
AI4MK
Canceled
Amateur Extra
Apr 27, 1999 → Apr 15, 2006 (canceled)
Licensee Christopher G Plumblee
Address 831 Lowell Blvd Apt C-27 Orlando, FL 32803
28.5556, -81.3484 (ZIP center) · Grid
EL98hn · CQ 5 · ITU 8 ·
map ↗
FRN 0003987922
Previous call KG4CZU (Technician)
Last granted Apr 27, 1999
Effective Sep 30, 2005
Last action Apr 15, 2006
FCC actions (3)
Apr 15, 2006 — License canceled LICAN Sep 30, 2005 — Systematic call sign granted SYSGRT Sep 30, 2005 — License issued LIISS
KG4CZU
Canceled
Amateur Extra
Apr 27, 1999 → Sep 30, 2005 (canceled)
Licensee Christopher G Plumblee
Address 831 Lowell Blvd Apt C-27 Orlando, FL 32803
28.5556, -81.3484 (ZIP center) · Grid
EL98hn · CQ 5 · ITU 8 ·
map ↗
FRN 0003987922
Last granted Apr 27, 1999
Effective Jul 15, 2005
Last action Sep 30, 2005
FCC actions (3)
Sep 30, 2005 — License canceled LICAN Jul 15, 2005 — Administrative update LIAUA Jun 17, 2004 — Administrative update LIAUA
Address history
From FCC database snapshots (2004 → now). "Seen" dates are the first and last snapshot showing that address.
Seen Feb 18, 2013 → Oct 4, 2026 · 57 snapshots · as WF3C
Christopher G Plumblee
4719 Fontana Street, Orlando, FL 32807
28.5322, -81.3273 (street) · Grid
EL98im · CQ 5 · ITU 8 ·
map ↗
Seen May 27, 2010 → Oct 4, 2026 · 94 snapshots · as KG4CZU
Christopher G Plumblee
831 Lowell Blvd Apt C-27, Orlando, FL 32803
28.5556, -81.3484 (ZIP center) · Grid
EL98hn · CQ 5 · ITU 8 ·
map ↗
Seen May 27, 2010 → Jul 26, 2012 · 5 snapshots · as WF3C
Christopher G Plumblee
2900 Pickfair St., Orlando, FL 32803
28.5556, -81.3484 (ZIP center) · Grid
EL98hn · CQ 5 · ITU 8 ·
map ↗
Seen Nov 7, 2004 · 1 snapshot · as KG4CZU
CHRISTOPHER G PLUMBLEE
3720 Marcy Ct., Wake Forest, NC 27587
35.9808, -78.5511 (ZIP center) · Grid
FM05rx · CQ 5 · ITU 8 ·
map ↗
📡 On the air: APRS, digital & WSPR spots
No APRS positions, PSK Reporter reports or WSPR spots for KG4CZU in the last 24 hours. They show up here within seconds of KG4CZU beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.
Data: FCC Universal Licensing System (amateur & GMRS), NetLogger and more · site status
n9tpb.com · 73 de N9TPB