N9TPB
FCC License Search
🕒 FCC license data updated today 7:15 am CDT (FCC files through Oct 4, 2026) · next update today 9:45 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, WIKB1DQZ HAM
✅ Available for a vanity request — free since Oct 1, 2013.
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 Oct 1, 2013
Previous holder: ALDER M YU
Held KB1DQZ Dec 7, 2008 → Sep 30, 2011 · first licensed Dec 7, 2008 as KB1DQZ · 2 licenses · FRN 0018329490
-
📦 Moved: Cambridge, MA → La Crosse, WI
- Licensee
- ALDER M YU
- Address
- Attn: Alder Yu
2112 19th St S
La Crosse, WI 54601
- FRN
- 0018329490
- Previous call
- KB1DQZ (General)
- Last granted
- Aug 3, 2021
- Effective
- Mar 18, 2023
- Last action
- Mar 18, 2023
FCC actions (6)
- Mar 18, 2023 — Administrative update LIAUA
- Aug 3, 2021 — License renewed LIREN
- Jul 29, 2017 — Administrative update LIAUA
- Oct 21, 2011 — License modified LIMOD
- Sep 30, 2011 — Vanity call sign granted VANGRT
- Sep 30, 2011 — License issued LIISS
-
- Licensee
- AMY M YU
- Address
- PO Box 425635
CAMBRIDGE, MA 02142
- FRN
- 0018329490
- Last granted
- Dec 9, 2008
- Effective
- Sep 27, 2011
- Last action
- Sep 30, 2011
FCC actions (4)
- Sep 30, 2011 — License canceled LICAN
- Sep 27, 2011 — License modified LIMOD
- Dec 9, 2008 — License renewed LIREN
- Dec 7, 2008 — FCC action ESCFRN
Address history
From FCC database snapshots (2004 → now). "Seen" dates are the first and last snapshot showing that address.
- Seen Apr 27, 2024 → Oct 4, 2026 · 12 snapshots · as W1DNA
ALDER M YU
Attn: Alder Yu
2112 19th St S, La Crosse, WI 54601 - Seen Nov 7, 2004 → Oct 4, 2026 · 74 snapshots · as KB1DQZ
AMY M YU
PO Box 425635
CAMBRIDGE, MA 02142 - Seen Apr 16, 2022 · 1 snapshot · as W1DNA
ALDER M YU
1914 Main Street, La Crosse, WI 54601 - Seen Sep 5, 2017 → May 6, 2019 · 7 snapshots · as W1DNA
AMY M YU
1914 Main Street, La Crosse, WI 54601
📡 On the air: APRS, digital & WSPR spots
No APRS positions, PSK Reporter reports or WSPR spots for KB1DQZ in the last 24 hours. They show up here within seconds of KB1DQZ beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.