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, WIKO6KEM HAM
⏳ Not available yet — opens for vanity requests Aug 24, 2027, two years after the license was canceled (Aug 23, 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: Jianrui Chen
Held KO6KEM Jul 22, 2025 → Aug 23, 2025 · first licensed Jul 22, 2025 as KO6KEM · 2 licenses · FRN 0037239746
-
- Licensee
- Jianrui Chen
- Address
- 250 Brandon St Apt 231
San Jose, CA 95134
- FRN
- 0037239746
- Previous call
- KO6KEM (General)
- Last granted
- Aug 23, 2025
- Effective
- Aug 23, 2025
- Last action
- Aug 23, 2025
FCC actions (2)
- Aug 23, 2025 — Vanity call sign granted VANGRT
- Aug 23, 2025 — License issued LIISS
-
- Licensee
- Jianrui Chen
- Address
- 250 Brandon St Apt 231
San Jose, CA 95134
- FRN
- 0037239746
- Last granted
- Jul 22, 2025
- Effective
- Aug 4, 2025
- Last action
- Aug 23, 2025
FCC actions (4)
- Aug 23, 2025 — License canceled LICAN
- Aug 4, 2025 — License modified LIMOD
- Jul 22, 2025 — License issued LIISS
- Jul 22, 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 Sep 25, 2025 → Oct 4, 2026 · 6 snapshots · as KO6KEM
Jianrui Chen
250 Brandon St Apt 231, San Jose, CA 95134
📡 On the air: APRS, digital & WSPR spots
No APRS positions, PSK Reporter reports or WSPR spots for KO6KEM in the last 24 hours. They show up here within seconds of KO6KEM beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.