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

KB4COM HAM

✅ Available for a vanity request — free since Apr 11, 2004.

2x3 call: any licensee 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 11, 2004

Previous holder: Charles M Serio

Held KB4COM May 27, 1997 → Apr 10, 2002 · first licensed May 27, 1997 as KB4COM · 2 licenses · FRN 0006205215

📦 Moved: Palm Harbor, FL → Washington Township, OH

AI4T Active Amateur Extra · vanity Apr 10, 2002 → expires Jun 28, 2033

Licensee
Charles M Serio

Address
9652 Bridlewood Trail
Washington Township, OH 45458-9629
39.6009, -84.1429 (street) · Grid EM79wo · CQ 4 · ITU 8 · map ↗

FRN
0006205215

Previous call
KB4COM (Technician Plus)

Last granted
Jun 28, 2023

Effective
Jun 28, 2023

Last action
Jun 28, 2023
FCC actions (7)
- Jun 28, 2023 — License renewed LIREN
- Jul 13, 2019 — Administrative update LIAUA
- May 1, 2012 — License renewed LIREN
- Mar 30, 2006 — Administrative update LIAUA
- Aug 27, 2003 — Administrative update LIAUA
- Apr 10, 2002 — Vanity call sign granted VANGRT
- Apr 10, 2002 — License issued LIISS
KB4COM Canceled Amateur Extra May 27, 1997 → Apr 10, 2002 (canceled)

Licensee
Charles M Serio

Address
1555 Nantucket Court
Palm Harbor, FL 34683-6465
28.0877, -82.7611 (ZIP center) · Grid EL88oc · CQ 5 · ITU 8 · map ↗

FRN
0006205215

Last granted
May 27, 1997

Effective
Feb 20, 2002

Last action
Apr 10, 2002
FCC actions (3)
- Apr 10, 2002 — License canceled LICAN
- Feb 20, 2002 — License modified LIMOD
- Jan 23, 2002 — License modified LIMOD

Address history

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

Seen Apr 16, 2022 → Sep 27, 2026 · 12 snapshots · as AI4T
Charles M Serio
9652 Bridlewood Trail, Washington Township, OH 45458-9629
39.6009, -84.1429 (street) · Grid EM79wo · CQ 4 · ITU 8 · map ↗
Seen Nov 7, 2004 → Sep 27, 2026 · 47 snapshots · as KB4COM
Charles M Serio
1555 Nantucket Court, Palm Harbor, FL 34683-6465
28.0877, -82.7611 (ZIP center) · Grid EL88oc · CQ 5 · ITU 8 · map ↗
Seen May 28, 2012 → May 6, 2019 · 31 snapshots · as AI4T
Charles M Serio
4450 E Windmill Dr, Inverness, FL 34453
28.8958, -82.3295 (ZIP center) · Grid EL88uv · CQ 5 · ITU 8 · map ↗
Seen May 27, 2010 → Nov 10, 2011 · 3 snapshots · as AI4T
Charles M Serio
Attn: Charles M. Serio
9221 S Brittany Path, Inverness, FL 34452
28.7612, -82.3757 (ZIP center) · Grid EL88ts · CQ 5 · ITU 8 · map ↗
Seen Nov 7, 2004 · 1 snapshot · as AI4T
Charles M Serio
Attn: Charles M. Serio
5518 Elkhorn Blvd., Holiday, FL 34690-2333
28.1937, -82.7257 (ZIP center) · Grid EL88pe · CQ 5 · ITU 8 · map ↗

📡 On the air: APRS, digital & WSPR spots

No APRS positions, PSK Reporter reports or WSPR spots for KB4COM in the last 24 hours. They show up here within seconds of KB4COM beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.