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, WIN9VNJ HAM
✅ Available for a vanity request — free since Sep 13, 2025.
1x3 call: Technician, General, 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 Sep 13, 2025
Previous holder: YAWMING CHEN
Held N9VNJ Sep 23, 2003 → Sep 12, 2023 · first licensed Sep 23, 2003 as N9VNJ · 2 licenses · FRN 0007443682
-
- Licensee
- YAWMING CHEN
- Address
- Attn: Yawming Chen
3887 Kensington Ave
Santa Clara, CA 95051
- FRN
- 0007443682
- Previous call
- N9VNJ (Novice)
- Last granted
- Sep 12, 2023
- Effective
- Sep 12, 2023
- Last action
- Sep 12, 2023
FCC actions (2)
- Sep 12, 2023 — Vanity call sign granted VANGRT
- Sep 12, 2023 — License issued LIISS
-
- Licensee
- YAW MING CHEN
- Address
- 3887 Kensington Ave
Santa Clara, CA 95051
- FRN
- 0007443682
- Previous call
- KB9IVN (Novice)
- Last granted
- Aug 25, 2023
- Effective
- Aug 25, 2023
- Last action
- Sep 12, 2023
FCC actions (9)
- Sep 12, 2023 — License canceled LICAN
- Aug 25, 2023 — License renewed LIREN
- Nov 21, 2020 — Administrative update LIAUA
- Aug 22, 2017 — Administrative update LIAUA
- Sep 19, 2013 — License renewed LIREN
- Sep 11, 2010 — Administrative update LIAUA
- Oct 9, 2003 — Administrative update LIAUA
- Oct 9, 2003 — Administrative update LIAUA
- Sep 23, 2003 — License renewed LIREN
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 K9YMC
YAWMING CHEN
Attn: Yawming Chen
3887 Kensington Ave, Santa Clara, CA 95051 - Seen Apr 16, 2022 → Oct 4, 2026 · 13 snapshots · as N9VNJ
YAW MING CHEN
3887 Kensington Ave, Santa Clara, CA 95051 - Seen Sep 5, 2017 → May 6, 2019 · 7 snapshots · as N9VNJ
YAW MING CHEN
1334 CHERRY CT, SAN JOSE, CA 95118 - Seen Oct 17, 2011 → May 12, 2017 · 26 snapshots · as N9VNJ
YAW MING CHEN
1123 Blue Lake Square, Mountain View, CA 94040 - Seen Nov 7, 2004 → May 27, 2010 · 2 snapshots · as N9VNJ
YAW MING CHEN
151 Fremont Ave, Los Altos, CA 94022
📡 On the air: APRS, digital & WSPR spots
No APRS positions, PSK Reporter reports or WSPR spots for N9VNJ in the last 24 hours. They show up here within seconds of N9VNJ beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.