N9TPB FCC License Search

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

KW4IDX HAM

✅ Available for a vanity request — free since Oct 21, 2008.

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 Oct 21, 2008

Previous holder: Mack W Walls Jr

Held KW4IDX Aug 1, 2006 → Oct 20, 2006 · first licensed Jan 23, 2006 as KI4NIA · 3 licenses · FRN 0014575203

W4MAC Active Amateur Extra · vanity Oct 20, 2006 → expires Oct 20, 2036

Licensee
Mack W Walls Jr

Address
Attn: Mack Walls
PO Box 34667
15502 CHARMWOOD DRIVE
Hudson, FL 34667
28.3825, -82.6561 (street) · Grid EL88qj · CQ 5 · ITU 8 · map ↗

FRN
0014575203

Previous call
KW4IDX (General)

Last granted
Jul 25, 2026

Effective
Jul 25, 2026

Last action
Jul 25, 2026
FCC actions (6)
- Jul 25, 2026 — License renewed LIREN
- Mar 8, 2024 — Administrative update LIAUA
- Sep 28, 2016 — License renewed LIREN
- Oct 28, 2011 — Administrative update LIAUA
- Oct 20, 2006 — Vanity call sign granted VANGRT
- Oct 20, 2006 — License issued LIISS
KW4IDX Canceled Amateur Extra · vanity Aug 1, 2006 → Oct 20, 2006 (canceled)

Licensee
Mack W Walls Jr

Address
15507 Charmwood Drive
Hudson, FL 34667
28.3859, -82.6656 (ZIP center) · Grid EL88qj · CQ 5 · ITU 8 · map ↗

FRN
0014575203

Previous call
KI4NIA (General)

Last granted
Aug 1, 2006

Effective
Sep 14, 2006

Last action
Oct 20, 2006
FCC actions (4)
- Oct 20, 2006 — License canceled LICAN
- Sep 14, 2006 — License modified LIMOD
- Aug 1, 2006 — Vanity call sign granted VANGRT
- Aug 1, 2006 — License issued LIISS
KI4NIA Canceled General Jan 23, 2006 → Aug 1, 2006 (canceled)

Licensee
Mack W Walls Jr

Address
15507 Charmwood Drive
Hudson, FL 34667
28.3859, -82.6656 (ZIP center) · Grid EL88qj · CQ 5 · ITU 8 · map ↗

FRN
0014575203

Last granted
Jan 23, 2006

Effective
Jun 15, 2006

Last action
Aug 1, 2006
FCC actions (4)
- Aug 1, 2006 — License canceled LICAN
- Jun 15, 2006 — License modified LIMOD
- Jan 23, 2006 — License issued LIISS
- Jan 23, 2006 — Systematic call sign granted SYSGRT

Address history

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

Seen Apr 27, 2024 → Oct 4, 2026 · 12 snapshots · as W4MAC
Mack W Walls Jr
Attn: Mack Walls
PO Box 34667
15502 CHARMWOOD DRIVE, Hudson, FL 34667
28.3825, -82.6561 (street) · Grid EL88qj · CQ 5 · ITU 8 · map ↗
Seen May 27, 2010 → Oct 4, 2026 · 96 snapshots · as KI4NIA
Mack W Walls Jr
15507 Charmwood Drive, Hudson, FL 34667
28.3859, -82.6656 (ZIP center) · Grid EL88qj · CQ 5 · ITU 8 · map ↗
Seen Nov 10, 2011 → Apr 16, 2022 · 33 snapshots · as W4MAC
Mack W Walls Jr
15515 Charmwood Drive, Hudson, FL 34667
28.3859, -82.6656 (ZIP center) · Grid EL88qj · CQ 5 · ITU 8 · map ↗

Others requesting KW4IDX

3 applications listed KW4IDX as a choice, newest first.

Filed	Award	Applicant	Choice #	Status
Jul 14, 2025	Aug 1, 2025	KJ4COM · LAURELINE J HUBBARD · Lexington, KY	2	Granted
Jun 7, 2021	Jun 25, 2021	KO4RAU · Wynne M Schniper · Alabaster, AL	3	Granted
Jul 12, 2006	Jul 30, 2006	KI4NIA · Mack W Walls Jr · Hudson, FL	1	Granted

📡 On the air: APRS, digital & WSPR spots

No APRS positions, PSK Reporter reports or WSPR spots for KW4IDX in the last 24 hours. They show up here within seconds of KW4IDX beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.