N9TPB FCC License Search

🕒 FCC license data updated yesterday 7:15 am CDT (FCC files through Oct 4, 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

K4EXF HAM

✅ Available for a vanity request — free since Jul 18, 2002.

1x3 call: Technician, General, Advanced and Amateur Extra licensees 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 Jul 18, 2002

Previous holder: WILLIAM F MARX SR

Held K4EXF Jul 17, 1990 → Jul 17, 2000 · first licensed Jul 17, 1990 as K4EXF · 1 license · no FRN on file (pre-2001 records)

K4EXF Expired General Jul 17, 1990 → Jul 17, 2000 (expired)

Licensee
WILLIAM F MARX SR

Address
5836 ILLINOIS AVE
NEW PORT RICHEY, FL 34652
28.2406, -82.7444 (ZIP center) · Grid EL88pf · CQ 5 · ITU 8 · map ↗

Last granted
Jul 17, 1990

Effective
Jul 17, 1990

Last action
Jul 18, 2002
FCC actions (1)
- Jul 18, 2002 — 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 → Oct 4, 2026 · 48 snapshots · as K4EXF
WILLIAM F MARX SR
5836 ILLINOIS AVE, NEW PORT RICHEY, FL 34652
28.2406, -82.7444 (ZIP center) · Grid EL88pf · CQ 5 · ITU 8 · map ↗

Others requesting K4EXF

1 application listed K4EXF as a choice, newest first.

Filed	Award	Applicant	Choice #	Status
Jul 28, 2023	Aug 15, 2023	KM4QXB · VITO A CIAVARELLI · CLEVELAND, GA	3	Granted

📡 On the air: APRS, digital & WSPR spots

No APRS positions, PSK Reporter reports or WSPR spots for K4EXF in the last 24 hours. They show up here within seconds of K4EXF beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.