N9TPB
FCC License Search
🕒 FCC license data updated yesterday 9:45 am CDT · 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, WIKJ6UMU HAM
✅ Available for a vanity request — free since Feb 4, 2016.
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 4, 2016
Previous holder: Kuohsing Liao
Held KJ6UMU Feb 23, 2012 → Feb 3, 2014 · first licensed Feb 23, 2012 as KJ6UMU · 3 licenses · FRN 0021523162
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📦 Moved: San Francisco, CA → Palo Alto, CA
- Licensee
- Kuohsing Liao
- Address
- Attn: Kuohsing Liao
4163 Hubbartt Dr
Palo Alto, CA 94306
- FRN
- 0021523162
- Previous call
- AG6YL (General)
- Last granted
- Sep 22, 2026
- Effective
- Sep 22, 2026
- Last action
- Sep 22, 2026
FCC actions (3)
- Sep 22, 2026 — License renewed LIREN
- Dec 3, 2016 — Vanity call sign granted VANGRT
- Dec 3, 2016 — License issued LIISS
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- Licensee
- Kuohsing Liao
- Address
- PO Box 7775
San Francisco, CA 94120
- FRN
- 0021523162
- Previous call
- KJ6UMU (General)
- Last granted
- Feb 23, 2012
- Effective
- Feb 3, 2014
- Last action
- Dec 3, 2016
FCC actions (3)
- Dec 3, 2016 — License canceled LICAN
- Feb 3, 2014 — Systematic call sign granted SYSGRT
- Feb 3, 2014 — License issued LIISS
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- Licensee
- Kuohsing Liao
- Address
- PO Box 7775
San Francisco, CA 94120
- FRN
- 0021523162
- Last granted
- Feb 23, 2012
- Effective
- Feb 3, 2014
- Last action
- Feb 3, 2014
FCC actions (4)
- Feb 3, 2014 — License canceled LICAN
- Jul 26, 2012 — License modified LIMOD
- Feb 23, 2012 — License issued LIISS
- Feb 23, 2012 — Systematic call sign granted SYSGRT
Address history
From FCC database snapshots (2004 → now). "Seen" dates are the first and last snapshot showing that address.
📡 On the air: APRS, digital & WSPR spots
No APRS positions, PSK Reporter reports or WSPR spots for KJ6UMU in the last 24 hours. They show up here within seconds of KJ6UMU beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.