N9TPB
FCC License Search
🕒 FCC license data updated yesterday 9:42 am CDT (FCC files through Sep 30, 2026) · next update today 9:15 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, WIKB4OZ HAM
✅ Available for a vanity request — free since Feb 16, 2020.
2x2 call: Advanced and Amateur Extra licensees can request it.
No pending applications list it.
Not currently held · 2 holders on record · available since Feb 16, 2020
Previous holder: Osvaldo Rivera
Held KB4OZ Feb 15, 2008 → Feb 15, 2018 · first licensed May 2, 2001 as WP3KS · 4 licenses · FRN 0004895801
-
- Licensee
- Osvaldo Rivera
- Address
- 12289 Mayberry Rd
Spring Hill, FL 34609
- FRN
- 0004895801
- Previous call
- AJ4EP (General)
- Last granted
- Feb 15, 2008
- Effective
- Jan 11, 2011
- Last action
- Feb 19, 2020
FCC actions (6)
- Feb 19, 2020 — License expired LIEXP
- Jan 11, 2011 — Administrative update LIAUA
- Jan 11, 2011 — Administrative update LIAUA
- Jul 8, 2008 — Administrative update LIAUA
- Feb 15, 2008 — Vanity call sign granted VANGRT
- Feb 15, 2008 — License issued LIISS
-
- Licensee
- Osvaldo Rivera
- Address
- 12289 Mayberry Rd
Spring Hill, FL 34609
- FRN
- 0004895801
- Previous call
- KP4LEU (General)
- Last granted
- Jul 16, 2002
- Effective
- Jan 23, 2008
- Last action
- Feb 15, 2008
FCC actions (3)
- Feb 15, 2008 — License canceled LICAN
- Jan 23, 2008 — Systematic call sign granted SYSGRT
- Jan 23, 2008 — License issued LIISS
-
📦 Moved: Trujillo Alto, PR → Spring Hill, FL
- Licensee
- Osvaldo Rivera
- Address
- 12289 Mayberry Rd
Spring Hill, FL 34609
- FRN
- 0004895801
- Previous call
- WP3KS (General)
- Last granted
- Jul 16, 2002
- Effective
- Jan 4, 2008
- Last action
- Jan 23, 2008
FCC actions (9)
- Jan 23, 2008 — License canceled LICAN
- Jan 4, 2008 — Administrative update LIAUA
- Jan 1, 2008 — Administrative update LIAUA
- Dec 27, 2007 — License modified LIMOD
- Mar 14, 2007 — Administrative update LIAUA
- Oct 24, 2006 — Administrative update LIAUA
- Jun 1, 2005 — Administrative update LIAUA
- Jul 16, 2002 — Vanity call sign granted VANGRT
- Jul 16, 2002 — License issued LIISS
-
- Licensee
- Osvaldo Rivera-Soto
- Address
- HC 645 Box 8198
Trujillo Alto, PR 00976
- FRN
- 0004895801
- Last granted
- May 2, 2001
- Effective
- May 20, 2002
- Last action
- Jul 16, 2002
FCC actions (3)
- Jul 16, 2002 — License canceled LICAN
- May 20, 2002 — License modified LIMOD
- May 2, 2001 — License issued LIISS
Address history
From FCC database snapshots (2004 → now). "Seen" dates are the first and last snapshot showing that address.
Previous holder: ROBERT D COOPER
Held KB4OZ May 24, 1994 → May 24, 2004 · first licensed May 24, 1994 as KB4OZ · 1 license · no FRN on file (pre-2001 records)
-
- Licensee
- ROBERT D COOPER
- Address
- 124 MORGAN ST
LONDON, KY 40741
- Last granted
- May 24, 1994
- Effective
- May 24, 1994
- Last action
- May 25, 2006
FCC actions (1)
- May 25, 2006 — License expired LIEXP
Address history
From FCC database snapshots (2004 → now). "Seen" dates are the first and last snapshot showing that address.
- Seen Nov 7, 2004 → Sep 27, 2026 · 47 snapshots · as KB4OZ
ROBERT D COOPER
124 MORGAN ST, LONDON, KY 40741
Others requesting KB4OZ
6 applications listed KB4OZ as a choice, newest first.
| Filed | Award | Applicant | Choice # | Status |
|---|---|---|---|---|
| May 2, 2024 | May 20, 2024 | KQ4PDF · Brian L Ellis · Wilson, NC | 3 | Dismissed |
| Jan 28, 2008 | Feb 15, 2008 | AJ4EP · Osvaldo Rivera · Spring Hill, FL | 3 | Granted |
| Jan 22, 2008 | Feb 9, 2008 | KP4LEU · Osvaldo Rivera · Spring Hill, FL | 1 | Dismissed |
| Jan 22, 2008 | Feb 9, 2008 | KP4LEU · Osvaldo Rivera · Spring Hill, FL | 4 | Dismissed |
| Jan 3, 2008 | Jan 21, 2008 | KP4LEU · Osvaldo Rivera · Spring Hill, FL | 3 | Dismissed |
| Dec 31, 2007 | Jan 18, 2008 | KP4LEU · Osvaldo Rivera · Spring Hill, FL | 1 | Dismissed |
📡 On the air: APRS, digital & WSPR spots
No APRS positions, PSK Reporter reports or WSPR spots for KB4OZ in the last 24 hours. They show up here within seconds of KB4OZ beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.