N9TPB
FCC License Search
🕒 FCC license data updated today 8:30 am CDT (FCC files through Oct 1, 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, WIAJ4KB HAM
✅ Available for a vanity request — free since Aug 20, 2010.
2x2 call: only Amateur Extra licensees 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 Aug 20, 2010
Previous holder: Knut Schubert
Held AJ4KB Apr 29, 2008 → Aug 19, 2008 · first licensed Apr 29, 2008 as KJ4DUF · 3 licenses · FRN 0017715657
-
- Licensee
- Knut Schubert
- Address
- 1901 60th Place E. Suite L3683
Bradenton, FL 34203
- FRN
- 0017715657
- Previous call
- AJ4KB (General)
- Last granted
- Jun 16, 2018
- Effective
- Jun 16, 2018
- Last action
- Jun 16, 2018
FCC actions (4)
- Jun 16, 2018 — License renewed LIREN
- Jan 25, 2018 — Administrative update LIAUA
- Aug 19, 2008 — Vanity call sign granted VANGRT
- Aug 19, 2008 — License issued LIISS
-
- Licensee
- Knut Schubert
- Address
- 1901 60th Place E. Suite L3683
Bradenton, FL 34203
- FRN
- 0017715657
- Previous call
- KJ4DUF (General)
- Last granted
- Apr 29, 2008
- Effective
- Jul 24, 2008
- Last action
- Aug 19, 2008
FCC actions (3)
- Aug 19, 2008 — License canceled LICAN
- Jul 24, 2008 — Systematic call sign granted SYSGRT
- Jul 24, 2008 — License issued LIISS
-
- Licensee
- Knut Schubert
- Address
- 1901 60th Place E. Suite L3683
Bradenton, FL 34203
- FRN
- 0017715657
- Last granted
- Apr 29, 2008
- Effective
- Jul 3, 2008
- Last action
- Jul 24, 2008
FCC actions (5)
- Jul 24, 2008 — License canceled LICAN
- Jul 3, 2008 — License modified LIMOD
- Jun 10, 2008 — Administrative update LIAUA
- Apr 29, 2008 — License issued LIISS
- Apr 29, 2008 — 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 May 27, 2010 → Sep 27, 2026 · 138 snapshots · as KJ4DUF
Knut Schubert
1901 60th Place E. Suite L3683, Bradenton, FL 34203
Others requesting AJ4KB
1 application listed AJ4KB as a choice, newest first.
| Filed | Award | Applicant | Choice # | Status |
|---|---|---|---|---|
| Jul 6, 2023 | Jul 24, 2023 | KD4QZV · JAMES K BUTLER · DUNN, NC | 2 | Granted |
📡 On the air: APRS, digital & WSPR spots
No APRS positions, PSK Reporter reports or WSPR spots for AJ4KB in the last 24 hours. They show up here within seconds of AJ4KB beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.