N9TPB
FCC License Search
🕒 FCC license data updated today 7:15 am CDT (FCC files through Oct 4, 2026) · next update today 8:30 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, WIKN4UJZ HAM
✅ Available for a vanity request — free since May 26, 2021.
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 May 26, 2021
Previous holder: Joseph C Duffy
Held KN4UJZ May 7, 2019 → May 25, 2019 · first licensed May 7, 2019 as KN4UJZ · 2 licenses · FRN 0028420644
-
- Licensee
- Joseph C Duffy
- Address
- Attn: Joseph Duffy
3024 Stanford Rd
West Palm Beach, FL 33405
- FRN
- 0028420644
- Previous call
- KN4UJZ
- Last granted
- May 25, 2019
- Effective
- May 25, 2019
- Last action
- May 25, 2019
FCC actions (2)
- May 25, 2019 — Vanity call sign granted VANGRT
- May 25, 2019 — License issued LIISS
-
- Licensee
- Joseph C Duffy
- Address
- 3024 Stanford Rd
West Palm Beach, FL 33405
- FRN
- 0028420644
- Last granted
- May 7, 2019
- Effective
- May 7, 2019
- Last action
- May 25, 2019
FCC actions (3)
- May 25, 2019 — License canceled LICAN
- May 7, 2019 — License issued LIISS
- May 7, 2019 — 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 Apr 16, 2022 → Oct 4, 2026 · 26 snapshots · as KN4UJZ
Joseph C Duffy
3024 Stanford Rd, West Palm Beach, FL 33405
📡 On the air: APRS, digital & WSPR spots
No APRS positions, PSK Reporter reports or WSPR spots for KN4UJZ in the last 24 hours. They show up here within seconds of KN4UJZ beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.