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

KP4MK

✅ Available for a vanity request — free since Sep 24, 2019.

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

Not currently held · 2 holders on record · available since Sep 24, 2019

Previous holder: MITCHELL A ROSADO

Held KP4MK May 12, 2015 → Sep 23, 2017 · first licensed Oct 17, 2013 as WP4OUT · 3 licenses · FRN 0023018021

KP3L Active Amateur Extra · vanity Sep 23, 2017 → expires Sep 23, 2027

Licensee
MITCHELL A ROSADO

Address
Attn: Mitchell A. Rosado
PO Box 7301
HC 05 BOX 7301
LARES, PR 00669
18.2769, -66.8696 (ZIP center) · Grid FK68ng · CQ 8 · ITU 11 · map ↗

FRN
0023018021

Previous call
KP4MK (General)

Last granted
Sep 23, 2017

Effective
Mar 26, 2026

Last action
Mar 26, 2026
FCC actions (3)
- Mar 26, 2026 — FCC action LIAUA
- Sep 23, 2017 — Vanity call sign granted VANGRT
- Sep 23, 2017 — License issued LIISS
KP4MK Canceled Amateur Extra · vanity May 12, 2015 → Sep 23, 2017 (canceled)

Licensee
MITCHELL A ROSADO

Address
Attn: Mitchell A. Rosado
PO Box 7301
HC 02 BOX 7301
LARES, PR 00669
18.2769, -66.8696 (ZIP center) · Grid FK68ng · CQ 8 · ITU 11 · map ↗

FRN
0023018021

Previous call
WP4OUT (General)

Last granted
May 12, 2015

Effective
Jul 9, 2015

Last action
Sep 23, 2017
FCC actions (3)
- Sep 23, 2017 — License canceled LICAN
- May 12, 2015 — Vanity call sign granted VANGRT
- May 12, 2015 — License issued LIISS
WP4OUT Canceled Amateur Extra Oct 17, 2013 → May 12, 2015 (canceled)

Licensee
MITCHELL A ROSADO

Address
HC 02 BOX 7301
LARES, PR 00669
18.2769, -66.8696 (ZIP center) · Grid FK68ng · CQ 8 · ITU 11 · map ↗

FRN
0023018021

Last granted
Oct 17, 2013

Effective
Apr 23, 2015

Last action
May 12, 2015
FCC actions (5)
- May 12, 2015 — License canceled LICAN
- Apr 23, 2015 — License modified LIMOD
- Apr 28, 2014 — License modified LIMOD
- Oct 17, 2013 — License issued LIISS
- Oct 17, 2013 — 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 Sep 27, 2026 · 1 snapshot · as KP3L
MITCHELL A ROSADO
Attn: Mitchell A. Rosado
PO Box 7301
HC 05 BOX 7301, LARES, PR 00669
18.2769, -66.8696 (ZIP center) · Grid FK68ng · CQ 8 · ITU 11 · map ↗
Seen Aug 2, 2015 → Sep 27, 2026 · 49 snapshots · as KP4MK
MITCHELL A ROSADO
Attn: Mitchell A. Rosado
PO Box 7301
HC 02 BOX 7301, LARES, PR 00669
18.2769, -66.8696 (ZIP center) · Grid FK68ng · CQ 8 · ITU 11 · map ↗
Seen Oct 22, 2013 → Sep 27, 2026 · 40 snapshots · as WP4OUT
MITCHELL A ROSADO
HC 02 BOX 7301, LARES, PR 00669
18.2769, -66.8696 (ZIP center) · Grid FK68ng · CQ 8 · ITU 11 · map ↗

Previous holder:

Held KP4MK → Apr 24, 1998 · first licensed as KP4MK · 1 license · no FRN on file (pre-2001 records)

KP4MK Canceled Club / other → Apr 24, 1998 (canceled)

Licensee

Address

Last granted

Effective

Last action

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 KP4MK

Others requesting KP4MK

5 applications listed KP4MK as a choice, newest first.

Filed	Award	Applicant	Choice #	Status
Jun 1, 2026	Jun 19, 2026	WP4QZH · Victor J Rivera · Mayaguez, PR	7	Granted
Apr 24, 2015	May 12, 2015	WP4OUT · MITCHELL A ROSADO · LARES, PR	1	Granted
Aug 30, 2013	Sep 17, 2013	WB4SXD · MARTIN F KLINGER · MERRITT ISLAND, FL	3	Granted
Apr 30, 2004	May 18, 2004	WP4LQU · Israel D Rodrigues-Hernandez · Anasco, PR	3	Dismissed
Apr 30, 2004	May 18, 2004	WP4LQU · Israel D Rodrigues-Hernandez · Anasco, PR	9	Granted