N9TPB FCC License Search

🕒 FCC license data updated today 7:15 am CDT (FCC files through Oct 5, 2026) · next update today 8:30 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

Dennis I O'Quinn

FRN 0009812389 · first licensed Nov 15, 2003 as K4CXX · 1 license on record

📝 FCC applications (6)

Received	File number	Service	Purpose	Status	Call
Oct 24, 2023	0010746829	HAM	Renewal	Granted	K4CXX
Nov 15, 2013	0006015494	HAM	Renewal	Granted	K4CXX
May 7, 2008	0003430523	HAM	Administrative update	Granted	K4CXX
May 6, 2008	0003429582	HAM	Modification	Granted	K4CXX
Nov 6, 2003	0001515559	HAM	Renewal + modification	Granted	K4CXX
Nov 3, 2003	0001502933	HAM	Administrative update	Dismissed	K4CXX

Complete licensing history

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