N9TPB FCC License Search

🕒 FCC license data updated yesterday 9:45 am CDT · next update today 7:15 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

KU4SP HAM

✅ Available for a vanity request — free since Feb 14, 2003.

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

📬 QSL: no LoTW uploads on record · not eQSL AG · QRZ · HamQTH

Not currently held · 1 holder on record · available since Feb 14, 2003

Previous holder: RENE R CASTILLO

Held KU4SP May 24, 1999 → Feb 13, 2001 · first licensed May 24, 1999 as KU4SP · 2 licenses · FRN 0003276086

📦 Moved: Wytheville, VA → Virginia Beach, VA

WU4D Active Amateur Extra · vanity Feb 13, 2001 → expires Feb 13, 2031

Licensee
RENE R CASTILLO

Address
Attn: Rene R Castillo
1752 Valhalla Arch
Virginia Beach, VA 23454-2529
36.8749, -76.0261 (street) · Grid FM16xu · CQ 5 · ITU 8 · map ↗

FRN
0003276086

Previous call
KU4SP (Advanced)

Last granted
Jan 6, 2021

Effective
Apr 6, 2021

Last action
Apr 6, 2021
FCC actions (12)
- Apr 6, 2021 — Administrative update LIAUA
- Jan 6, 2021 — License renewed LIREN
- May 27, 2020 — Administrative update LIAUA
- Jul 2, 2019 — Administrative update LIAUA
- Aug 25, 2015 — Administrative update LIAUA
- Nov 19, 2014 — Administrative update LIAUA
- Jul 13, 2013 — Administrative update LIAUA
- Dec 15, 2010 — License renewed LIREN
- Sep 28, 2004 — Administrative update LIAUA
- Aug 19, 2003 — License modified LIMOD
- Feb 16, 2001 — License modified LIMOD
- Feb 13, 2001 — License issued LIISS
KU4SP Canceled Amateur Extra May 24, 1999 → Feb 13, 2001 (canceled)

Licensee
RENE R CASTILLO

Address
650 N 3RD ST
WYTHEVILLE, VA 24382-3606
36.9533, -81.1108 (ZIP center) · Grid EM96kw · CQ 5 · ITU 8 · map ↗

FRN
0003276086

Last granted
May 24, 1999

Effective
Jan 31, 2001

Last action
Feb 13, 2001
FCC actions (4)
- Feb 13, 2001 — License canceled LICAN
- Jan 31, 2001 — License modified LIMOD
- Dec 21, 2000 — License modified LIMOD
- Jun 10, 2000 — License modified LIMOD

Address history

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

Seen Apr 16, 2022 → Oct 4, 2026 · 13 snapshots · as WU4D
RENE R CASTILLO
Attn: Rene R Castillo
1752 Valhalla Arch, Virginia Beach, VA 23454-2529
36.8749, -76.0261 (street) · Grid FM16xu · CQ 5 · ITU 8 · map ↗
Seen Nov 7, 2004 → Oct 4, 2026 · 48 snapshots · as KU4SP
RENE R CASTILLO
650 N 3RD ST, WYTHEVILLE, VA 24382-3606
36.9533, -81.1108 (ZIP center) · Grid EM96kw · CQ 5 · ITU 8 · map ↗
Seen Sep 18, 2015 → May 6, 2019 · 19 snapshots · as WU4D
RENE R CASTILLO
Attn: Rene R Castillo
3340 Old Kirkwood Dr, Virginia Beach, VA 23452
36.8458, -76.0920 (ZIP center) · Grid FM16wu · CQ 5 · ITU 8 · map ↗
Seen Mar 28, 2015 → Aug 2, 2015 · 4 snapshots · as WU4D
RENE R CASTILLO
Attn: Rene R Castillo
154 College Ave, Daleville, VA 24541-3708
36.5888, -79.5150 (ZIP center) · Grid FM06fo · CQ 5 · ITU 8 · map ↗
Seen Oct 22, 2013 → May 22, 2014 · 3 snapshots · as WU4D
RENE R CASTILLO
Attn: Rene R Castillo
909 Rennie Ave, Richmond, VA 23227-4808
37.6116, -77.4361 (ZIP center) · Grid FM17go · CQ 5 · ITU 8 · map ↗
Seen Nov 7, 2004 → Apr 12, 2013 · 9 snapshots · as WU4D
RENE R CASTILLO
5531 N LAKE DR, ROANOKE, VA 24019-2666
37.3439, -79.9545 (ZIP center) · Grid FM07ai · CQ 5 · ITU 8 · map ↗

Others requesting KU4SP

1 application listed KU4SP as a choice, newest first.

Filed	Award	Applicant	Choice #	Status
Jul 31, 2026	Aug 18, 2026	NA4EH · Philipp Springer · Piedmont, SC	18	Granted

📡 On the air: APRS, digital & WSPR spots

No APRS positions, PSK Reporter reports or WSPR spots for KU4SP in the last 24 hours. They show up here within seconds of KU4SP beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.