N9TPB FCC License Search

🕒 FCC license data updated today 9:42 am CDT (FCC files through Sep 30, 2026) · next update tomorrow 9:15 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

AI4MN

✅ Available for a vanity request — free since Jan 11, 2008.

2x2 call: only Amateur Extra licensees can request it. No pending applications list it.

Not currently held · 1 holder on record · available since Jan 11, 2008

Previous holder: David A Rosenblum

Held AI4MN Jun 10, 2002 → Jan 10, 2006 · first licensed Jun 10, 2002 as KG4TSJ · 3 licenses · FRN 0007222508

WX4U Active Amateur Extra · vanity Jan 10, 2006 → expires Jan 10, 2036

Licensee
David A Rosenblum

Address
613 Saint Andrews Cir.
New Smyrna Beach, FL 32168-7987
29.0477, -80.9880 (street) · Grid EL99mb · CQ 5 · ITU 8 · map ↗

FRN
0007222508

Previous call
AI4MN (Technician)

Last granted
Dec 11, 2025

Effective
Dec 11, 2025

Last action
Dec 11, 2025
FCC actions (7)
- Dec 11, 2025 — License renewed LIREN
- Oct 23, 2015 — License renewed LIREN
- Sep 17, 2015 — FCC action LIAUA
- Nov 11, 2010 — FCC action LIAUA
- Dec 19, 2006 — FCC action LIAUA
- Jan 10, 2006 — Vanity call sign granted VANGRT
- Jan 10, 2006 — License issued LIISS
AI4MN Canceled Amateur Extra Jun 10, 2002 → Jan 10, 2006 (canceled)

Licensee
David A Rosenblum

Address
146 Turnberry Cir.
New Smyrna Beach, FL 32168-7937
28.9946, -81.0244 (ZIP center) · Grid EL98lx · CQ 5 · ITU 8 · map ↗

FRN
0007222508

Previous call
KG4TSJ (Technician)

Last granted
Jun 10, 2002

Effective
Oct 19, 2005

Last action
Jan 10, 2006
FCC actions (4)
- Jan 10, 2006 — License canceled LICAN
- Oct 19, 2005 — FCC action LIAUA
- Oct 18, 2005 — Systematic call sign granted SYSGRT
- Oct 18, 2005 — License issued LIISS
KG4TSJ Canceled Amateur Extra Jun 10, 2002 → Oct 18, 2005 (canceled)

Licensee
David A Rosenblum

Address
Attn: David Rosenblum
146 Turnberry Cir.
New Smyrna Beach, FL 32168-7937
28.9946, -81.0244 (ZIP center) · Grid EL98lx · CQ 5 · ITU 8 · map ↗

FRN
0007222508

Last granted
Jun 10, 2002

Effective
Aug 18, 2005

Last action
Oct 18, 2005
FCC actions (4)
- Oct 18, 2005 — License canceled LICAN
- Aug 18, 2005 — FCC action LIAUA
- May 20, 2003 — License modified LIMOD
- Jun 10, 2002 — License issued LIISS

Address history

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

Seen Nov 16, 2015 → Sep 27, 2026 · 30 snapshots · as WX4U
David A Rosenblum
613 Saint Andrews Cir., New Smyrna Beach, FL 32168-7987
29.0477, -80.9880 (street) · Grid EL99mb · CQ 5 · ITU 8 · map ↗
Seen May 27, 2010 → Sep 27, 2026 · 92 snapshots · as KG4TSJ
David A Rosenblum
Attn: David Rosenblum
146 Turnberry Cir., New Smyrna Beach, FL 32168-7937
28.9946, -81.0244 (ZIP center) · Grid EL98lx · CQ 5 · ITU 8 · map ↗
Seen May 27, 2010 → Sep 18, 2015 · 16 snapshots · as WX4U
David A Rosenblum
110 Red Fox Den Rd., Mars Hill, NC 28754-9514
35.8769, -82.5144 (ZIP center) · Grid EM85rv · CQ 5 · ITU 8 · map ↗
Seen Nov 7, 2004 · 1 snapshot · as KG4TSJ
David A Rosenblum
6063 Sabal Hammock Cir, Port Orange, FL 32128-7145
29.1007, -81.0718 (ZIP center) · Grid EL99lc · CQ 5 · ITU 8 · map ↗

Others requesting AI4MN

1 application listed AI4MN as a choice, newest first.

Filed	Award	Applicant	Choice #	Status
Oct 17, 2012	Nov 4, 2012	WA4SKT · Michael A Norred · Phenix City, AL	2	Granted