N9TPB FCC License Search

🕒 FCC license data updated yesterday 7:15 am CDT (FCC files through Oct 4, 2026) · next update today 6:00 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

KA3SLR HAM

✅ Available for a vanity request — free since Feb 24, 2009.

2x3 call: any licensee 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 24, 2009

Previous holder: Emil V DeRenzo

Held KA3SLR Jun 7, 2000 → Feb 23, 2007 · first licensed Jun 7, 2000 as KA3SLR · 2 licenses · FRN 0003241437

AB3EL Expired Amateur Extra Feb 23, 2007 → Jun 6, 2019 (expired)

Licensee
Emil V DeRenzo

Address
4 Grovepoint Ct
Rockville, MD 20854
39.0328, -77.2208 (ZIP center) · Grid FM19ja · CQ 5 · ITU 8 · map ↗

FRN
0003241437

Previous call
KA3SLR (General)

Last granted
Mar 25, 2009

Effective
Mar 25, 2009

Last action
Jun 7, 2021
FCC actions (4)
- Jun 7, 2021 — License expired LIEXP
- Mar 25, 2009 — License renewed LIREN
- Feb 23, 2007 — Systematic call sign granted SYSGRT
- Feb 23, 2007 — License issued LIISS
KA3SLR Canceled Amateur Extra Jun 7, 2000 → Feb 23, 2007 (canceled)

Licensee
Emil V DeRenzo

Address
4 Grovepoint Ct
Rockville, MD 20854
39.0328, -77.2208 (ZIP center) · Grid FM19ja · CQ 5 · ITU 8 · map ↗

FRN
0003241437

Last granted
Jun 7, 2000

Effective
Feb 23, 2007

Last action
Feb 23, 2007
FCC actions (3)
- Feb 23, 2007 — License canceled LICAN
- Jan 16, 2007 — License modified LIMOD
- Jun 7, 2000 — License renewed LIREN

Address history

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

Seen May 27, 2010 → Oct 4, 2026 · 94 snapshots · as KA3SLR
Emil V DeRenzo
4 Grovepoint Ct, Rockville, MD 20854
39.0328, -77.2208 (ZIP center) · Grid FM19ja · CQ 5 · ITU 8 · map ↗
Seen Nov 7, 2004 · 1 snapshot · as KA3SLR
EMIL V DE RENZO
4 GROVEPOINT CT, ROCKVILLE, MD 20854
39.0328, -77.2208 (ZIP center) · Grid FM19ja · CQ 5 · ITU 8 · map ↗

Others requesting KA3SLR

1 application listed KA3SLR as a choice, newest first.

Filed	Award	Applicant	Choice #	Status
Feb 11, 2026	Mar 1, 2026	KJ5OEM · Seth L Rios · Houston, TX	4	Granted

📡 On the air: APRS, digital & WSPR spots

No APRS positions, PSK Reporter reports or WSPR spots for KA3SLR in the last 24 hours. They show up here within seconds of KA3SLR beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.