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, WIKI4NRK HAM
✅ Available for a vanity request — free since Jul 11, 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 Jul 11, 2009
Previous holder: Frederick W Kassebaum
Held KI4NRK Feb 17, 2006 → Jul 10, 2007 · first licensed Feb 17, 2006 as KI4NRK · 2 licenses · FRN 0014692776
-
📦 Moved: Key Largo, FL → Mims, FL
- Licensee
- Frederick W Kassebaum
- Address
- Attn: Frederick W Kassebaum
3900 Grant Line Rd
Mims, FL 32754
- FRN
- 0014692776
- Previous call
- KI4NRK (General)
- Last granted
- May 16, 2017
- Effective
- May 16, 2017
- Last action
- May 16, 2017
FCC actions (5)
- May 16, 2017 — License renewed LIREN
- Mar 24, 2016 — Administrative update LIAUA
- Nov 6, 2010 — Administrative update LIAUA
- Jul 10, 2007 — Vanity call sign granted VANGRT
- Jul 10, 2007 — License issued LIISS
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- Licensee
- Frederick W Kassebaum
- Address
- PO Box 2504
Key Largo, FL 33037
- FRN
- 0014692776
- Last granted
- Feb 17, 2006
- Effective
- Jun 20, 2007
- Last action
- Jul 10, 2007
FCC actions (4)
- Jul 10, 2007 — License canceled LICAN
- Jun 20, 2007 — License modified LIMOD
- Feb 17, 2006 — License issued LIISS
- Feb 17, 2006 — 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 Jun 30, 2016 → Oct 4, 2026 · 26 snapshots · as KY2O
Frederick W Kassebaum
Attn: Frederick W Kassebaum
3900 Grant Line Rd, Mims, FL 32754 - Seen May 27, 2010 → Oct 4, 2026 · 48 snapshots · as KI4NRK
Frederick W Kassebaum
PO Box 2504
Key Largo, FL 33037 - Seen Oct 17, 2011 → Mar 16, 2016 · 20 snapshots · as KY2O
Frederick W Kassebaum
121 Point Pleasant Drive, Key Largo, FL 33037
📡 On the air: APRS, digital & WSPR spots
No APRS positions, PSK Reporter reports or WSPR spots for KI4NRK in the last 24 hours. They show up here within seconds of KI4NRK beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.