N9TPB FCC License Search

🕒 FCC license data updated today 9:42 am CDT (FCC files through Sep 30, 2026) · next update tomorrow 9:15 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

KP4PX HAM

✅ Available for a vanity request — free since Jan 23, 2011.

2x2 call: Advanced and Amateur Extra licensees can request it. No pending applications list it.

Not currently held · 1 holder on record · available since Jan 23, 2011

Previous holder: CARLOS A TIRADO

Held KP4PX Jan 22, 1999 → Jan 22, 2009 · first licensed Jan 22, 1999 as KP4PX · 1 license · no FRN on file (pre-2001 records)

KP4PX Expired Amateur Extra Jan 22, 1999 → Jan 22, 2009 (expired)

Licensee
CARLOS A TIRADO

Address
PO Box 33054
VETERANS PLAZA STATION
SAN JUAN, PR 00933-3054

Last granted
Jan 22, 1999

Effective
Jan 22, 1999

Last action
Jan 25, 2011
FCC actions (1)
- Jan 25, 2011 — 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 → Sep 27, 2026 · 47 snapshots · as KP4PX
CARLOS A TIRADO
PO Box 33054
VETERANS PLAZA STATION, SAN JUAN, PR 00933-3054

Others requesting KP4PX

2 applications listed KP4PX as a choice, newest first.

Filed	Award	Applicant	Choice #	Status
May 14, 2018	Jun 1, 2018	WP4QBH · James Perez-Marcano · Trujillo Alto, PR	3	Granted
Sep 10, 2007	Sep 28, 2007	NP3MO · DAVID E RODRIGUEZ SALCEDO · UTUADO, PR	2	Dismissed

📡 On the air: APRS, digital & WSPR spots

No APRS positions, PSK Reporter reports or WSPR spots for KP4PX in the last 24 hours. They show up here within seconds of KP4PX beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.