🕒 FCC license data updated yesterday 8:30 am CDT (FCC files through Oct 1, 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
KK4RZX HAM
✅
Available for a vanity request — free since Nov 10, 2015.
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 Nov 10, 2015
Previous holder: EDUARDO C OLIVEIRA
Held KK4RZX Jun 19, 2013 → Nov 9, 2013
· first licensed Jun 19, 2013 as KK4RZX
· 4 licenses · FRN 0008857039
W1CY
Active
Amateur Extra · vanity
Nov 18, 2016 → expires Nov 18, 2036
Licensee EDUARDO C OLIVEIRA
Address 2617 ALEXANDER FARMS WAY SW MARIETTA, GA 30064
33.9384, -84.6304 (street) · Grid
EM73qw · CQ 5 · ITU 8 ·
map ↗
FRN 0008857039
Previous call WO1B (General)
Last granted Aug 27, 2026
Effective Aug 27, 2026
Last action Aug 27, 2026
FCC actions (3)
Aug 27, 2026 — License renewed LIREN Nov 18, 2016 — Vanity call sign granted VANGRT Nov 18, 2016 — License issued LIISS
WO1B
Canceled
Amateur Extra · vanity
Mar 1, 2016 → Nov 18, 2016 (canceled)
Licensee EDUARDO C OLIVEIRA
Address 2617 ALEXANDER FARMS WAY SW MARIETTA, GA 30064
33.9384, -84.6304 (street) · Grid
EM73qw · CQ 5 · ITU 8 ·
map ↗
FRN 0008857039
Previous call N4EDU (General)
Last granted Mar 1, 2016
Effective Mar 1, 2016
Last action Nov 18, 2016
FCC actions (3)
Nov 18, 2016 — License canceled LICAN Mar 1, 2016 — Vanity call sign granted VANGRT Mar 1, 2016 — License issued LIISS
N4EDU
Canceled
Amateur Extra · vanity
Nov 9, 2013 → Mar 1, 2016 (canceled)
Licensee EDUARDO C OLIVEIRA
Address 2617 ALEXANDER FARMS WAY SW MARIETTA, GA 30064
33.9384, -84.6304 (street) · Grid
EM73qw · CQ 5 · ITU 8 ·
map ↗
FRN 0008857039
Previous call KK4RZX (General)
Last granted Nov 9, 2013
Effective Apr 30, 2014
Last action Mar 1, 2016
FCC actions (4)
Mar 1, 2016 — License canceled LICAN Apr 30, 2014 — License modified LIMOD Nov 9, 2013 — Vanity call sign granted VANGRT Nov 9, 2013 — License issued LIISS
KK4RZX
Canceled
General
Jun 19, 2013 → Nov 9, 2013 (canceled)
Licensee Eduardo C Oliveira
Address 2617 Alexander Farms Way SW Marietta, GA 30064
33.9384, -84.6304 (street) · Grid
EM73qw · CQ 5 · ITU 8 ·
map ↗
FRN 0008857039
Last granted Jun 19, 2013
Effective Nov 1, 2013
Last action Nov 9, 2013
FCC actions (5)
Nov 9, 2013 — License canceled LICAN Nov 1, 2013 — License modified LIMOD Jun 26, 2013 — FCC action LTSFNR Jun 19, 2013 — License issued LIISS Jun 19, 2013 — 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 Oct 22, 2013 → Sep 27, 2026 · 124 snapshots · as KK4RZX
Eduardo C Oliveira
2617 Alexander Farms Way SW, Marietta, GA 30064
33.9384, -84.6304 (street) · Grid
EM73qw · CQ 5 · ITU 8 ·
map ↗
📡 On the air: APRS, digital & WSPR spots
No APRS positions, PSK Reporter reports or WSPR spots for KK4RZX in the last 24 hours. They show up here within seconds of KK4RZX 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