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

WP4O

Currently held by PEDRO J OTERO · 2 holders on record

Current holder: PEDRO J OTERO

Held WP4O May 13, 2016 → present · first licensed Jan 21, 1992 as KP4TC · 7 licenses · FRN 0001832864

WP4O Active Amateur Extra · vanity May 13, 2016 → expires May 13, 2036

Licensee
PEDRO J OTERO

Address
RPTO. VALENCIA O-28 CALLE A
BAYAMON, PR 00959-4128
18.3819, -66.1249 (street) · Grid FK68wj · CQ 8 · ITU 11 · map ↗

FRN
0001832864

Previous call
KP4TC (General)

Last granted
Feb 21, 2026

Effective
Feb 21, 2026

Last action
Feb 21, 2026
FCC actions (5)
- Feb 21, 2026 — License renewed LIREN
- Aug 13, 2016 — FCC action LIAUA
- Jun 4, 2016 — FCC action LIAUA
- May 13, 2016 — Vanity call sign granted VANGRT
- May 13, 2016 — License issued LIISS
📦 Moved: Mayaguez, PR → Bayamon, PR

KP4VJ Active Club / other · vanity Jul 7, 2015 → expires Jul 7, 2035

Licensee
Amateur Radio Educational Society Of Puerto Rico

Address
Attn: PEDRO J OTERO HERNANDEZ
URB Valencia 0-28 A St
Bayamon, PR 00959
18.3858, -66.1557 (ZIP center) · Grid FK68wj · CQ 8 · ITU 11 · map ↗

FRN
0001832864

Previous call
WP4PLD

Trustee
WP4O

Last granted
Jun 17, 2025

Effective
Jun 17, 2025

Last action
Jun 17, 2025
FCC actions (4)
- Jun 17, 2025 — License renewed LIREN
- May 26, 2021 — FCC action LIAUA
- Jul 7, 2015 — Vanity call sign granted VANGRT
- Jul 7, 2015 — License issued LIISS
WP4PLD Canceled Club / other Jun 16, 2015 → Jul 7, 2015 (canceled)

Licensee
Amateur Radio Educational Society Of Puerto Rico

Address
Attn: PEDRO J OTERO HERNANDEZ
PO Box 1313
Mayaguez, PR 00681

FRN
0001832864

Trustee
KP4TC

Last granted
Jun 16, 2015

Effective
Jun 16, 2015

Last action
Jul 7, 2015
FCC actions (4)
- Jul 7, 2015 — License canceled LICAN
- Jun 18, 2015 — FCC action ESUFNR
- Jun 16, 2015 — License issued LIISS
- Jun 16, 2015 — Systematic call sign granted SYSGRT
KP4TC Canceled Amateur Extra · vanity Nov 9, 2013 → May 13, 2016 (canceled)

Licensee
PEDRO J OTERO HERNANDEZ

Address
PO Box 1313
MAYAGUEZ, PR 00681-1313

FRN
0001832864

Previous call
WP4MB (General)

Last granted
Nov 9, 2013

Effective
Jan 30, 2016

Last action
May 13, 2016
FCC actions (10)
- May 13, 2016 — License canceled LICAN
- Jan 30, 2016 — FCC action LIAUA
- Oct 22, 2015 — FCC action LIAUA
- Jun 18, 2015 — FCC action ESUFNR
- Jun 18, 2015 — FCC action ESCFNR
- Apr 2, 2015 — FCC action ESCFND
- Apr 2, 2015 — FCC action ESCFRN
- Feb 18, 2015 — FCC action ESCFRN
- Nov 9, 2013 — Vanity call sign granted VANGRT
- Nov 9, 2013 — License issued LIISS
📦 Moved: Bayamon, PR → Mayaguez, PR

WP4MB Canceled Amateur Extra · vanity Jun 22, 2010 → Nov 9, 2013 (canceled)

Licensee
PEDRO J OTERO HERNANDEZ

Address
PO Box 1313
MAYAGUEZ, PR 00681

FRN
0001832864

Previous call
WP4NFB (General)

Last granted
Jun 22, 2010

Effective
Oct 22, 2013

Last action
Nov 9, 2013
FCC actions (7)
- Nov 9, 2013 — License canceled LICAN
- Oct 22, 2013 — FCC action LIAUA
- Sep 6, 2013 — License modified LIMOD
- May 1, 2013 — License modified LIMOD
- May 17, 2011 — FCC action LIAUA
- Jun 22, 2010 — Vanity call sign granted VANGRT
- Jun 22, 2010 — License issued LIISS
📦 Moved: Fajardo, PR → Bayamon, PR

WP4NFB Canceled Technician Jan 20, 2006 → Jun 22, 2010 (canceled)

Licensee
PEDRO J OTERO HERNANDEZ

Address
URB VALENCIA O 28 A ST
BAYAMON, PR 00959
18.3858, -66.1557 (ZIP center) · Grid FK68wj · CQ 8 · ITU 11 · map ↗

FRN
0001832864

Last granted
Jan 20, 2006

Effective
Jan 20, 2006

Last action
Jun 22, 2010
FCC actions (2)
- Jun 22, 2010 — License canceled LICAN
- Jan 20, 2006 — License renewed LIREN
KP4TC Expired Amateur Extra Jan 21, 1992 → Jan 21, 2002 (expired)

Licensee
JORGE M PINERO

Address
URB VALLE VERDE S58
FAJARDO, PR 00738
18.3045, -65.6987 (ZIP center) · Grid FK78dh · CQ 8 · ITU 11 · map ↗

FRN
0001832864

Previous call
WP4KCX (Advanced)

Last granted
Jan 21, 1992

Effective
Jan 21, 1992

Last action
Jun 18, 2015
FCC actions (1)
- Jan 22, 2004 — License expired LIEXP

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 WP4O
PEDRO J OTERO
RPTO. VALENCIA O-28 CALLE A, BAYAMON, PR 00959-4128
18.3819, -66.1249 (street) · Grid FK68wj · CQ 8 · ITU 11 · map ↗
Seen Apr 16, 2022 → Sep 27, 2026 · 12 snapshots · as KP4VJ
Amateur Radio Educational Society Of Puerto Rico
Attn: PEDRO J OTERO HERNANDEZ
URB Valencia 0-28 A St, Bayamon, PR 00959
18.3858, -66.1557 (ZIP center) · Grid FK68wj · CQ 8 · ITU 11 · map ↗
Seen Aug 2, 2015 → Sep 27, 2026 · 52 snapshots · as WP4PLD
Amateur Radio Educational Society Of Puerto Rico
Attn: PEDRO J OTERO HERNANDEZ
PO Box 1313
Mayaguez, PR 00681
Seen Oct 22, 2013 → Sep 27, 2026 · 76 snapshots · as WP4MB
PEDRO J OTERO HERNANDEZ
PO Box 1313
MAYAGUEZ, PR 00681
Seen May 27, 2010 → Sep 27, 2026 · 46 snapshots · as WP4NFB
PEDRO J OTERO HERNANDEZ
URB VALENCIA O 28 A ST, BAYAMON, PR 00959
18.3858, -66.1557 (ZIP center) · Grid FK68wj · CQ 8 · ITU 11 · map ↗
Seen Nov 7, 2004 → Sep 27, 2026 · 47 snapshots · as KP4TC
JORGE M PINERO
URB VALLE VERDE S58, FAJARDO, PR 00738
18.3045, -65.6987 (ZIP center) · Grid FK78dh · CQ 8 · ITU 11 · map ↗
Seen Nov 4, 2016 → Sep 25, 2025 · 23 snapshots · as WP4O
PEDRO J OTERO HERNANDEZ
URB. VALENCIA O-28 A st., BAYAMON, PR 00959
18.3858, -66.1557 (ZIP center) · Grid FK68wj · CQ 8 · ITU 11 · map ↗
Seen Oct 17, 2011 → Apr 12, 2013 · 7 snapshots · as WP4MB
PEDRO J OTERO HERNANDEZ
PO Box HC02box12458
Moca, PR 00676
18.3816, -67.0809 (ZIP center) · Grid FK68lj · CQ 8 · ITU 11 · map ↗
Seen Nov 7, 2004 · 1 snapshot · as WP4NFB
PEDRO J OTERO HERNANDEZ
URB VALENCIA A ST 0 28, BAYAMON, PR 00959
18.3858, -66.1557 (ZIP center) · Grid FK68wj · CQ 8 · ITU 11 · map ↗

Previous holder: Ed RODRIGUEZ

Held WP4O Sep 11, 2012 → Apr 22, 2014 · first licensed Aug 15, 2000 as WP4O · 4 licenses · FRN 0004036075

KK4X Active Amateur Extra · vanity Apr 22, 2014 → expires Apr 22, 2034

Licensee
Ed RODRIGUEZ

Address
4605 W PRICE AVE
TAMPA, FL 33611
27.8907, -82.5229 (street) · Grid EL87rv · CQ 5 · ITU 8 · map ↗

FRN
0004036075

Previous call
WP4O

Last granted
Jan 25, 2024

Effective
Jan 25, 2024

Last action
Jan 25, 2024
FCC actions (3)
- Jan 25, 2024 — License renewed LIREN
- Apr 22, 2014 — Vanity call sign granted VANGRT
- Apr 22, 2014 — License issued LIISS
WP4O Canceled Amateur Extra · vanity Sep 11, 2012 → Apr 22, 2014 (canceled)

Licensee
Ed RODRIGUEZ

Address
Attn: Ed Rodriguez
4605 W PRICE AVE
TAMPA, FL 33611
27.8907, -82.5229 (street) · Grid EL87rv · CQ 5 · ITU 8 · map ↗

FRN
0004036075

Previous call
KE4IA

Last granted
Sep 11, 2012

Effective
Sep 13, 2012

Last action
Feb 21, 2026
FCC actions (5)
- Apr 22, 2014 — License canceled LICAN
- Sep 13, 2012 — FCC action LIAUA
- Sep 12, 2012 — FCC action LIAUA
- Sep 11, 2012 — Vanity call sign granted VANGRT
- Sep 11, 2012 — License issued LIISS
KE4IA Canceled Amateur Extra · vanity Aug 7, 2012 → Sep 11, 2012 (canceled)

Licensee
Edwin (ED) RODRIGUEZ

Address
Attn: Ed Rodriguez
4605 W PRICE AVE
TAMPA, FL 33611
27.8907, -82.5229 (street) · Grid EL87rv · CQ 5 · ITU 8 · map ↗

FRN
0004036075

Previous call
WP4O

Last granted
Aug 7, 2012

Effective
Aug 29, 2012

Last action
Sep 11, 2012
FCC actions (4)
- Sep 11, 2012 — License canceled LICAN
- Aug 29, 2012 — FCC action LIAUA
- Aug 7, 2012 — Vanity call sign granted VANGRT
- Aug 7, 2012 — License issued LIISS
WP4O Canceled Amateur Extra Aug 15, 2000 → Aug 7, 2012 (canceled)

Licensee
EDWIN E RODRIGUEZ

Address
4605 W PRICE AVE
TAMPA, FL 33611
27.8907, -82.5229 (street) · Grid EL87rv · CQ 5 · ITU 8 · map ↗

FRN
0004036075

Last granted
Jun 6, 2005

Effective
Jul 10, 2006

Last action
Feb 21, 2026
FCC actions (4)
- Aug 7, 2012 — License canceled LICAN
- Jul 10, 2006 — FCC action LIAUA
- Jun 6, 2005 — License renewed LIREN
- Aug 15, 2000 — FCC action LIAUA

Address history

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

Seen Feb 18, 2013 → Sep 27, 2026 · 77 snapshots · as WP4O
Ed RODRIGUEZ
Attn: Ed Rodriguez
4605 W PRICE AVE, TAMPA, FL 33611
27.8907, -82.5229 (street) · Grid EL87rv · CQ 5 · ITU 8 · map ↗
Seen Feb 18, 2013 → Sep 27, 2026 · 41 snapshots · as KE4IA
Edwin (ED) RODRIGUEZ
Attn: Ed Rodriguez
4605 W PRICE AVE, TAMPA, FL 33611
27.8907, -82.5229 (street) · Grid EL87rv · CQ 5 · ITU 8 · map ↗
Seen May 27, 2010 → Sep 27, 2026 · 46 snapshots · as WP4O
EDWIN E RODRIGUEZ
4605 W PRICE AVE, TAMPA, FL 33611
27.8907, -82.5229 (street) · Grid EL87rv · CQ 5 · ITU 8 · map ↗
Seen Nov 7, 2004 · 1 snapshot · as WP4O
EDWIN E RODRIGUEZ
PO Box 5056
MIAMI, FL 33283

Repeaters within 50 miles

60 repeaters within 50 miles of this address, closest first · map these & export for a radio →

Miles	Call	Output	Offset	Tone	Mode	Networks	Location
2.7	KP4CRN	440.9750	+5	CC15	DMR	BrandMeister 330001150	BAYAMON, PR
2.8	WP4GT	448.7500	-5	TONE 141.3	FM (analog)	AllStar 54545	Sanjuan, PR
3.5	N3YD Listed as KP4/N3YD	443.8250	+5	TONE 123.0	FM (analog)	AllStar 280071	San Juan, PR
3.5	KP4ARA	440.6000	+5	TONE 123.0	FM (analog)	AllStar 280072	Puerto Rico, PR
3.5	N3YD	53.0900	-1	TONE 123.0	FM (analog)	AllStar 280070	Puerto Rico, PR
5.6	NP3A	147.0900	+0.6	TONE 100.0	FM (analog)	AllStar 42626	Bayamon, PR
6.2	N5YIZ	441.8250	simplex	TONE 123.0	FM (analog)	AllStar 27208	San Juan, PR
6.5	WP4JSJ Listed as WP4JSJ ISLACOMM	447.3000	-5	CC1	DMR	BrandMeister 330013	Toa Alta, PR
7.2	NP3A	447.0750	-5	TONE 100.0	FM (analog)	AllStar 48476 AllStar 42626	Aguas Buenas, PR
8.6	NW4A	440.3250	+5	TSQL 100.0	FM (analog)	AllStar 573902	Aguas Buenas, PR
8.8	KB9EZX	448.1500	-5	TONE 100.0	FM (analog)	AllStar 28776	Aguas Buenas, PR
9.9	NP4D	433.1000	+5	CC1	DMR	BrandMeister 330040101	Carolina, PR
12.5	WP4JSJ Listed as WP4JSJ ISLACOMM	927.9000	-25	CC1	DMR	BrandMeister 330005	Naranjito, PR
12.7	KP3AV	449.2000	-5	TSQL 131.8	FM (analog)	AllStar 48351 AllStar 48352	Corozal, PR
12.9	WP4DMD	146.6100	-0.6	CC1	DMR	BrandMeister 330012	Caguas, PR
13.8	WP4TNV	447.0000	-5	CC1	DMR	BrandMeister 3300589	Carolina, PR
15.7	NP4UG Listed as NP4UG ISLACOMM	449.4250	-5	CC1	DMR	BrandMeister 330024	Barranquitas, PR
16.2	KP4DH	146.6700	-0.6	TONE 94.8	FM (analog)	AllStar 45918	Corozal, PR
18.1	WP4SE	146.8700	-0.6	TONE 203.5	FM (analog)	AllStar 40481	Juncos, PR
18.3	WP4TT	447.1250	-5	CC1	DMR	BrandMeister 3300263	BARCELONETA, PR
18.6	WP3OY	446.0000	simplex	TSQL 100.0	FM (analog)	IRLP 4125	Morovis, PR
18.7	KP4MSR	447.5500	-5	TONE 127.3	FM (analog) (DMR,FM)	AllStar 46462 BrandMeister 312064	Cayey, PR
19.6	KP4LBA	447.1000	-5	TSQL 131.8	FM (analog)	AllStar 50270	Rio Grande, PR
19.7	NP3EM	147.3100	+0.6	TSQL 88.5	FM (analog)	AllStar 489751	Rio Grande, PR
20.0	NP3A	440.0500	+5	TONE 100.0	FM (analog)	AllStar 49781 AllStar 48476	Aibonito, PR
20.5	KP3AV	448.9000	-5	CC1	DMR	BrandMeister 330003	Orocovis, PR
21.3	WP4LSC	433.5500	+5	CC1	DMR	BrandMeister 330028301	Town, LAS PIEDRAS, PR
22.8	KP4BW	440.9250	+5	TONE 141.3	FM (analog)	AllStar 40356 AllStar 509590	Naguabo, PR
24.1	KP3IV	448.9500	-5	TONE 151.4	FM (analog)	AllStar 42972	Manati, PR
25.1	WP4NNZ	430.4125	in 439.4125	CC1	DMR	BrandMeister 330022101	Coamo, PR
25.1	WP4NNZ	430.4750	in 439.4750	CC1	DMR	BrandMeister 330022107	Coamo, PR
25.3	WP4AI	438.8000	-5	CC1	DMR	BrandMeister 330067405	Morovis, PR
26.8	NP3MJ	446.4750	-5	TSQL 123.0	FM (analog)	AllStar 572760	Luquillo, PR
28.0	NW4A	446.1250	-5	TSQL 100.0	FM (analog)	AllStar 573881	Guayama, PR
29.8	KP3AV	448.2750	-5	TSQL 131.8	FM (analog)	AllStar 48986 AllStar 489840	Villaba, PR
31.3	KP4PNP	446.6000	-5	TSQL 88.5	FM (analog)	AllStar 573901	Fajardo, PR
32.3	KP4LBA	449.5000	-5	TSQL 100.0	FM (analog)	AllStar 48974	Fajardo, PR
32.5	KP3FR	443.0000	+5	CC1	DMR	BrandMeister 3146913	Toa Alta, PR
39.1	WP4RWR	448.6000	-5	CC1	DMR	BrandMeister 330067	Ponce, PR
40.3	KP4GBF	433.1000	+5	CC1	DMR	BrandMeister 330020601	Ponce, PR
40.6	KP4LR	446.5000	-1	CC2	DMR	BrandMeister 330009345	PONCE, PR
42.1	WP4SQD	439.0000	-5	CC1	DMR	BrandMeister 3300439	PONCE, PR
42.1	WP4JOT	446.7000	-5	CC1	DMR	BrandMeister 330105	Ponce, PR
42.3	WP4RSQ	439.9500	-5	CC1	DMR	BrandMeister 3300294	Ponce, PR
48.0	KP4NET	448.6000	-5	CC?	DMR		Puerto Rico, Puerto Rico, All Regions, PR
2.1	KP4CRN offline	446.1750	-5	CC?	DMR		Bayamon, Puerto Rico, All Regions, PR
9.2	NP3RK offline	449.9000	-5	CC?	DMR	AllStar 47870	Cayey, Puerto Rico, All Regions, PR
15.7	WP4JSJ offline	145.4900	-25	CC?	DMR		Barranquitas, PR
15.7	KP4LP offline	145.4900	-0.6	CC?	DMR	AllStar 570193	Barranquitas, Puerto Rico, All Regions, PR
22.7	NP3KQ offline	449.8250	-5	CC?	DMR		Yunque, Puerto Rico, All Regions, PR
23.2	KP4EOP offline	448.1500	-5	TSQL 100.0	FM (analog) (DMR,FM)	IRLP 7777	PiRLP Rio Grande, PR
25.5	WP4IUO offline	144.4400	simplex	TSQL 131.8	FM (analog)	IRLP 7796	Humacao, PR
30.3	KP4AZH offline	446.8500	-5	CC?	DMR		Salinas Puerto Rico, Puerto Rico, All Regions, PR
33.9	KP4EOP offline	448.0000	-5	CC?	DMR		Ponce, Puerto Rico, All Regions, PR
33.9	KP4EOP offline	446.1500	-5	CC?	DMR		Yayuya, Puerto Rico, All Regions, PR
41.1	KP4WK offline	147.5650	simplex	TSQL 71.9	FM (analog)	IRLP 4898	Ponce, PR
42.2	NP3EC offline	146.8500	-0.6	CC?	DMR		Arecibo, Puerto Rico, All Regions, PR
43.2	WP4J offline	448.3750	-5	CC?	DMR		Ponce, Puerto Rico, All Regions, PR
48.4	WP3B offline	448.6000	-5	CC?	DMR		Puerto Rico, Puerto Rico, All Regions, PR
48.6	WP3B offline	447.9750	-5	CC?	DMR		Puerto Rico, Puerto Rico, All Regions, PR

Vanity requests for WP4O

13 applications listed WP4O as a choice, newest first.

Filed	Award	Applicant	Choice #	Status
Mar 22, 2023	Apr 9, 2023	WP4PQN · Osvaldo Rivera · Caguas, PR	1	Dismissed
Jul 26, 2021	Aug 13, 2021	WP4NYR · Edwin A Perez-Zorrilla · San Juan, PR	14	Dismissed
May 2, 2016	May 20, 2016	KV4XB · LARRY D CARSON JR · APO, AA	3	Dismissed
Apr 28, 2016	May 16, 2016	KM4IIT · KIRK M BROWN · DUNNELLON, FL	2	Dismissed
Apr 27, 2016	May 15, 2016	KM4GUF · Tim Chewning · Pulaski, VA	2	Granted
Apr 25, 2016	May 13, 2016	KP4TC · PEDRO J OTERO HERNANDEZ · MAYAGUEZ, PR	1	Granted
Apr 22, 2016	May 10, 2016	KE0AUX · Douglas K Urevig · Mounds View, MN	3	Dismissed
Apr 22, 2016	May 10, 2016	KP4TC · PEDRO J OTERO HERNANDEZ · MAYAGUEZ, PR	1	Dismissed
Apr 5, 2016	Apr 23, 2016	KP4NS · NELSON SANTIAGO · LARES, PR	1	Dismissed
Nov 17, 2015	Dec 5, 2015	KP4NS · NELSON SANTIAGO · LARES, PR	1	Dismissed
May 26, 2015	Jun 13, 2015	KP3CJ · JOSE N LORENZO-GOMEZ · MOCA, PR	1	Dismissed
May 26, 2015	Jun 13, 2015	KP3CJ · JOSE N LORENZO-GOMEZ · MOCA, PR	1	Dismissed
Aug 22, 2012	Sep 9, 2012	KE4IA · EDWIN (ED) RODRIGUEZ · TAMPA, FL	1	Granted