N9TPB FCC License Search

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

WP4DP

Not currently held · 2 holders on record · available since Apr 3, 2013

Previous holder: DENNIS R PEREZ

Held WP4DP May 4, 2010 → Apr 2, 2011 · first licensed Aug 24, 2009 as WP4OBL · 4 licenses · FRN 0019054147

WP4Q Active Amateur Extra · vanity Jun 11, 2013 → expires Jun 11, 2033

Licensee
DENNIS R PEREZ

Address
PO Box 2499
Bayamon, PR 00960
18.4169, -66.1427 (ZIP center) · Grid FK68wk · CQ 8 · ITU 11 · map ↗

FRN
0019054147

Previous call
KP3CB (General)

Last granted
Jul 6, 2023

Effective
Jul 6, 2023

Last action
Jul 6, 2023
FCC actions (3)
- Jul 6, 2023 — License renewed LIREN
- Jun 11, 2013 — Vanity call sign granted VANGRT
- Jun 11, 2013 — License issued LIISS
KP3CB Canceled Amateur Extra May 4, 2010 → Jun 11, 2013 (canceled)

Licensee
DENNIS R PEREZ

Address
PO Box 2499
Bayamon, PR 00960
18.4169, -66.1427 (ZIP center) · Grid FK68wk · CQ 8 · ITU 11 · map ↗

FRN
0019054147

Previous call
WP4DP (General)

Last granted
May 4, 2010

Effective
Apr 2, 2011

Last action
Jun 11, 2013
FCC actions (3)
- Jun 11, 2013 — License canceled LICAN
- Apr 2, 2011 — Systematic call sign granted SYSGRT
- Apr 2, 2011 — License issued LIISS
WP4DP Canceled Amateur Extra · vanity May 4, 2010 → Apr 2, 2011 (canceled)

Licensee
DENNIS R PEREZ

Address
PO Box 2499
Bayamon, PR 00960
18.4169, -66.1427 (ZIP center) · Grid FK68wk · CQ 8 · ITU 11 · map ↗

FRN
0019054147

Previous call
WP4OBL (General)

Last granted
May 4, 2010

Effective
Mar 23, 2011

Last action
Apr 2, 2011
FCC actions (5)
- Apr 2, 2011 — License canceled LICAN
- Mar 23, 2011 — FCC action LIAUA
- Mar 22, 2011 — License modified LIMOD
- May 4, 2010 — Vanity call sign granted VANGRT
- May 4, 2010 — License issued LIISS
WP4OBL Canceled General Aug 24, 2009 → May 4, 2010 (canceled)

Licensee
DENNIS R PEREZ

Address
PO Box 2499
BAYAMON, PR 00960
18.4169, -66.1427 (ZIP center) · Grid FK68wk · CQ 8 · ITU 11 · map ↗

FRN
0019054147

Last granted
Aug 24, 2009

Effective
Feb 25, 2010

Last action
May 4, 2010
FCC actions (4)
- May 4, 2010 — License canceled LICAN
- Feb 25, 2010 — License modified LIMOD
- Aug 24, 2009 — License issued LIISS
- Aug 24, 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 Oct 17, 2011 → Sep 27, 2026 · 128 snapshots · as WP4DP
DENNIS R PEREZ
PO Box 2499, Bayamon, PR 00960
18.4169, -66.1427 (ZIP center) · Grid FK68wk · CQ 8 · ITU 11 · map ↗
Seen May 27, 2010 → Sep 27, 2026 · 47 snapshots · as WP4OBL
DENNIS R PEREZ
PO Box 2499
BAYAMON, PR 00960
18.4169, -66.1427 (ZIP center) · Grid FK68wk · CQ 8 · ITU 11 · map ↗

Previous holder: LUIS R HERNANDEZ JR

Held WP4DP Jan 14, 1997 → Jan 14, 2007 · first licensed Jan 14, 1997 as WP4DP · 1 license · no FRN on file (pre-2001 records)

WP4DP Expired Technician Plus Jan 14, 1997 → Jan 14, 2007 (expired)

Licensee
LUIS R HERNANDEZ JR

Address
YUNGUE F6 ALTURAS DE MAYAGUEZ
MAYAGUEZ, PR 00708

Last granted
Jan 14, 1997

Effective
Jan 14, 1997

Last action
Jan 15, 2009
FCC actions (1)
- Jan 15, 2009 — License expired LIEXP

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 WP4DP
LUIS R HERNANDEZ JR
YUNGUE F6 ALTURAS DE MAYAGUEZ, MAYAGUEZ, PR 00708

Vanity requests for WP4DP

4 applications listed WP4DP as a choice, newest first.

Filed	Award	Applicant	Choice #	Status
Nov 24, 2025	Dec 12, 2025	KR4HES · Douglas A Price · Raleigh, NC	6	Dismissed
Feb 28, 2025	Mar 18, 2025	KQ4ZUA · David L Parker · Boiling Springs, SC	3	Dismissed
Apr 1, 2022	Apr 19, 2022	KO4YZX · WILLIAM H HARWOOD · MORRISTOWN, TN	3	Granted
Apr 14, 2010	May 2, 2010	WP4OBL · DENNIS R PEREZ · BAYAMON, PR	1	Granted