N9TPB FCC License Search

🕒 FCC license data updated today 7:15 am CDT (FCC files through Oct 5, 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

K4CXX HAM

Amateur Extra class licensed since 2003 (23 yrs) Melbourne, FL

🔒 Not available — currently licensed, through Nov 16, 2033. If it isn't renewed, it opens for vanity requests Nov 17, 2035.

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

Currently held by Dennis I O'Quinn · 1 holder on record

Current holder: Dennis I O'Quinn

Held K4CXX Nov 15, 2003 → present · first licensed Nov 15, 2003 as K4CXX · 1 license · FRN 0009812389

K4CXX Active Amateur Extra Nov 15, 2003 → expires Nov 16, 2033

Licensee
Dennis I O'Quinn

Address
PO Box 361728
Melbourne, FL 32936-1728

FRN
0009812389

Last granted
Oct 25, 2023

Effective
Oct 25, 2023

Last action
Oct 25, 2023
FCC actions (5)
- Oct 25, 2023 — License renewed LIREN
- Nov 16, 2013 — License renewed LIREN
- May 7, 2008 — Administrative update LIAUA
- May 6, 2008 — License modified LIMOD
- Nov 15, 2003 — License renewed LIREN

Address history

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

Seen Mar 28, 2014 → Oct 4, 2026 · 38 snapshots · as K4CXX
Dennis I O'Quinn
PO Box 361728
Melbourne, FL 32936-1728
Seen May 27, 2010 → Oct 22, 2013 · 9 snapshots · as K4CXX
Dennis I O'Quinn
PO Box 1118
Melbourne, FL 32902-1118
Seen Nov 7, 2004 · 1 snapshot · as K4CXX
DENNIS I O QUINN
PO Box 1118
MELBOURNE, FL 32902-1118

📡 On the air: APRS, digital & WSPR spots

No APRS positions, PSK Reporter reports or WSPR spots for K4CXX in the last 24 hours. They show up here within seconds of K4CXX beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.