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

KJ4MPW HAM

✅ Available for a vanity request — free since May 24, 2017.

2x3 call: any licensee can request it. No pending applications list it.

📬 QSL: no LoTW uploads on record · eQSL AG member · QRZ · HamQTH

Not currently held · 1 holder on record · available since May 24, 2017

Previous holder: Max Harmony

Held KJ4MPW Jun 9, 2009 → May 23, 2015 · first licensed Jun 9, 2009 as KJ4MPW · 2 licenses · FRN 0018810218

W4TLN Active Technician · vanity May 23, 2015 → expires May 23, 2035

Licensee
Max Harmony

Address
726 W 10th Ave
Tallahassee, FL 32303-5305
30.4614, -84.2923 (street) · Grid EM70ul · CQ 5 · ITU 8 · map ↗

FRN
0018810218

Previous call
KJ4MPW

Last granted
Apr 26, 2025

Effective
Apr 26, 2025

Last action
Apr 26, 2025
FCC actions (4)
- Apr 26, 2025 — License renewed LIREN
- May 22, 2021 — Administrative update LIAUA
- May 23, 2015 — Vanity call sign granted VANGRT
- May 23, 2015 — License issued LIISS
KJ4MPW Canceled Technician Jun 9, 2009 → May 23, 2015 (canceled)

Licensee
Max Harmony

Address
726 W 10th Ave
Tallahassee, FL 32303
30.4614, -84.2923 (street) · Grid EM70ul · CQ 5 · ITU 8 · map ↗

FRN
0018810218

Last granted
Jun 9, 2009

Effective
Jan 31, 2015

Last action
May 23, 2015
FCC actions (6)
- May 23, 2015 — License canceled LICAN
- Jan 31, 2015 — Administrative update LIAUA
- Aug 21, 2009 — Administrative update LIAUA
- Jun 10, 2009 — Administrative update LIAUA
- Jun 9, 2009 — License issued LIISS
- Jun 9, 2009 — 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 May 27, 2010 → Sep 27, 2026 · 79 snapshots · as KJ4MPW
Max Harmony
726 W 10th Ave, Tallahassee, FL 32303
30.4614, -84.2923 (street) · Grid EM70ul · CQ 5 · ITU 8 · map ↗

📡 On the air: APRS, digital & WSPR spots

No APRS positions, PSK Reporter reports or WSPR spots for KJ4MPW in the last 24 hours. They show up here within seconds of KJ4MPW beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.