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, WIKI4USU HAM
✅ Available for a vanity request — free since May 20, 2009.
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 20, 2009
Previous holder: Walter C Dreyfus
Held KI4USU Mar 27, 2007 → May 19, 2007 · first licensed Mar 27, 2007 as KI4USU · 2 licenses · FRN 0015888928
-
- Licensee
- Walter C Dreyfus
- Address
- 21512 WOODCHUCK LN
Boca Raton, FL 33428
- FRN
- 0015888928
- Previous call
- KI4USU (General)
- Last granted
- Feb 21, 2017
- Effective
- Mar 18, 2019
- Last action
- Mar 18, 2019
FCC actions (5)
- Mar 18, 2019 — License modified LIMOD
- Feb 21, 2017 — License renewed LIREN
- Mar 15, 2010 — License modified LIMOD
- May 19, 2007 — Vanity call sign granted VANGRT
- May 19, 2007 — License issued LIISS
-
- Licensee
- Walter C Dreyfus
- Address
- 21512 Woodchuck Lane
Boca Raton, FL 33428
- FRN
- 0015888928
- Last granted
- Mar 27, 2007
- Effective
- Mar 29, 2007
- Last action
- May 19, 2007
FCC actions (4)
- May 19, 2007 — License canceled LICAN
- Mar 29, 2007 — Administrative update LIAUA
- Mar 27, 2007 — License issued LIISS
- Mar 27, 2007 — 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 KI4USU in the last 24 hours. They show up here within seconds of KI4USU beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.