🕒 FCC license data updated today 7:15 am CDT (FCC files through Oct 4, 2026) · next update today 8:30 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
KB3LXK HAM
✅
Available for a vanity request — free since Mar 16, 2007.
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 Mar 16, 2007
Previous holder: Howard N Zuckerman
Held KB3LXK Feb 8, 2005 → Mar 15, 2005
· first licensed Feb 8, 2005 as KB3LXK
· 3 licenses · FRN 0012747044
N3ZH
Active
Amateur Extra · vanity
May 6, 2005 → expires May 6, 2035
Licensee Howard N Zuckerman
Address 13801 Castle Cliff Way Silver Spring, MD 20904-5465
39.0818, -76.9827 (street) · Grid
FM19mb · CQ 5 · ITU 8 ·
map ↗
FRN 0012747044
Previous call K3HNZ (General)
Last granted Apr 18, 2025
Effective Apr 18, 2025
Last action Apr 18, 2025
FCC actions (4)
Apr 18, 2025 — License renewed LIREN Feb 6, 2015 — License renewed LIREN May 6, 2005 — Vanity call sign granted VANGRT May 6, 2005 — License issued LIISS
K3HNZ
Canceled
Amateur Extra · vanity
Mar 15, 2005 → May 6, 2005 (canceled)
Licensee Howard N Zuckerman
Address 13801 Castle Cliff Way Silver Spring, MD 20904-5465
39.0818, -76.9827 (street) · Grid
FM19mb · CQ 5 · ITU 8 ·
map ↗
FRN 0012747044
Previous call KB3LXK (General)
Last granted Mar 15, 2005
Effective Mar 21, 2005
Last action May 6, 2005
FCC actions (4)
May 6, 2005 — License canceled LICAN Mar 21, 2005 — License modified LIMOD Mar 15, 2005 — Vanity call sign granted VANGRT Mar 15, 2005 — License issued LIISS
KB3LXK
Canceled
General
Feb 8, 2005 → Mar 15, 2005 (canceled)
Licensee Howard N Zuckerman
Address 13801 Castle Cliff Way Silver Spring, MD 20904-5465
39.0818, -76.9827 (street) · Grid
FM19mb · CQ 5 · ITU 8 ·
map ↗
FRN 0012747044
Last granted Feb 8, 2005
Effective Feb 22, 2005
Last action Mar 15, 2005
FCC actions (4)
Mar 15, 2005 — License canceled LICAN Feb 22, 2005 — License modified LIMOD Feb 8, 2005 — License issued LIISS Feb 8, 2005 — 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 May 27, 2010 → Oct 4, 2026 · 141 snapshots · as KB3LXK
Howard N Zuckerman
13801 Castle Cliff Way, Silver Spring, MD 20904-5465
39.0818, -76.9827 (street) · Grid
FM19mb · CQ 5 · ITU 8 ·
map ↗
📡 On the air: APRS, digital & WSPR spots
No APRS positions, PSK Reporter reports or WSPR spots for KB3LXK in the last 24 hours. They show up here within seconds of KB3LXK beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.
Data: FCC Universal Licensing System (amateur & GMRS), NetLogger and more · site status
n9tpb.com · 73 de N9TPB