N9TPB FCC License Search

🕒 FCC license data updated today 8:30 am CDT (FCC files through Oct 1, 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

AD4LT HAM

✅ Available for a vanity request — free since Apr 13, 2017.

2x2 call: only 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 Apr 13, 2017

Previous holder: JOHN M TYBUSZEWSKI

Held AD4LT Apr 12, 2005 → Apr 12, 2015 · first licensed Apr 12, 2005 as AD4LT · 1 license · FRN 0013275722

AD4LT Expired Amateur Extra Apr 12, 2005 → Apr 12, 2015 (expired)

Licensee
JOHN M TYBUSZEWSKI

Address
3875 50TH ST N
SAINT PETERSBURG, FL 33709
27.8168, -82.7316 (ZIP center) · Grid EL87pt · CQ 5 · ITU 8 · map ↗

FRN
0013275722

Last granted
Apr 12, 2005

Effective
Apr 12, 2005

Last action
Apr 13, 2017
FCC actions (3)
- Apr 13, 2017 — License expired LIEXP
- Apr 12, 2005 — FCC action LTSFRN
- Apr 12, 2005 — License renewed LIREN

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 AD4LT
JOHN M TYBUSZEWSKI
3875 50TH ST N, SAINT PETERSBURG, FL 33709
27.8168, -82.7316 (ZIP center) · Grid EL87pt · CQ 5 · ITU 8 · map ↗

Others requesting AD4LT

2 applications listed AD4LT as a choice, newest first.

Filed	Award	Applicant	Choice #	Status
Jun 10, 2020	Jun 28, 2020	KD9MOS · DOROTHY L TAYLOR · Tullahoma, TN	3	Granted
Mar 28, 2019	Apr 15, 2019	KL7LT · ROBERT J BUREK · CROSSVILLE, TN	10	Granted

📡 On the air: APRS, digital & WSPR spots

No APRS positions, PSK Reporter reports or WSPR spots for AD4LT in the last 24 hours. They show up here within seconds of AD4LT beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.