N9TPB
FCC License Search
🕒 FCC license data updated today 7:15 am CDT (FCC files through Oct 4, 2026) · next update tomorrow 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, WIKO6HXD HAM
⏳ Not available yet — opens for vanity requests Mar 1, 2027, two years after the license was canceled (Feb 28, 2025).
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
Previous holder: Michael Y Chien
Held KO6HXD Feb 8, 2025 → Feb 28, 2025 · first licensed Feb 8, 2025 as KO6HXD · 2 licenses · FRN 0008285074
-
- Licensee
- Michael Y Chien
- Address
- 213 23rd Ave
San Mateo, CA 94403
- FRN
- 0008285074
- Previous call
- KO6HXD (Technician)
- Last granted
- Feb 28, 2025
- Effective
- Mar 7, 2025
- Last action
- Mar 7, 2025
FCC actions (3)
- Mar 7, 2025 — License modified LIMOD
- Feb 28, 2025 — Vanity call sign granted VANGRT
- Feb 28, 2025 — License issued LIISS
-
- Licensee
- Michael Y Chien
- Address
- 213 23rd Ave
San Mateo, CA 94403
- FRN
- 0008285074
- Last granted
- Feb 8, 2025
- Effective
- Feb 8, 2025
- Last action
- Feb 28, 2025
FCC actions (3)
- Feb 28, 2025 — License canceled LICAN
- Feb 8, 2025 — License issued LIISS
- Feb 8, 2025 — 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 Mar 6, 2025 → Oct 4, 2026 · 14 snapshots · as KO6HXD
Michael Y Chien
213 23rd Ave, San Mateo, CA 94403
📡 On the air: APRS, digital & WSPR spots
No APRS positions, PSK Reporter reports or WSPR spots for KO6HXD in the last 24 hours. They show up here within seconds of KO6HXD beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.