N9TPB
FCC License Search
🕒 FCC license data updated yesterday 6:02 am CDT (FCC files through Oct 16, 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, WI · old CB calls like KHC1939 or 18Q3518 (1962–63 CB call books) · (205) 546-1767 (1990s CB directory phones)KD4JVO HAM
✅ Available for a vanity request — free since Feb 5, 2004.
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 Feb 5, 2004
Previous holder: CHARLES W COX
Held KD4JVO Feb 4, 1992 → Feb 4, 2002 · first licensed Feb 4, 1992 as KD4JVO · 1 license · no FRN on file (pre-2001 records)
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- Licensee
- CHARLES W COX
- Address
- PO Box 163309
MIAMI, FL 33116
- Last granted
- Feb 4, 1992
- Effective
- Feb 4, 1992
- Last action
- Feb 5, 2004
FCC actions (1)
- Feb 5, 2004 — License expired LIEXP
Callbook Records, 1993–2003
From the FCC amateur database as published on the QRZ! callsign CD-ROMs, 1993–2003, before and alongside the FCC's online records (which start in 1999). "Seen" dates are the first and last disc showing that record; the issue date is the FCC's, so it can be a renewal of an even older license.
- Seen Mar 9, 1998 → Apr 17, 2003 · 11 discs
KD4JVO · Technician Plus · issued Feb 4, 1992, expires Feb 4, 2002
CHARLES W. COX
PO BOX 163309, MIAMI, FL 33116 - Seen Oct 31, 1994 → Apr 4, 1997 · 6 discs
KD4JVO · Technician Plus · issued Feb 4, 1992, expires Feb 4, 2002
CHARLES W COX
POB 163309, MIAMI, FL 33116 - Seen Sep 9, 1993 → May 3, 1994 · 2 discs
KD4JVO · Technician · issued Feb 4, 1992, expires Feb 4, 2002
CHARLES W COX
POB 163309, MIAMI, FL 33116
Address history
From FCC database snapshots (2004 → now). "Seen" dates are the first and last snapshot showing that address.
- Seen Nov 7, 2004 → Oct 11, 2026 · 49 snapshots · as KD4JVO
CHARLES W COX
PO Box 163309
MIAMI, FL 33116
KD4JVO in the Printed Callbooks, 1909–1997
From scanned copies of the printed callbooks (government lists from 1913, then the Radio Amateur Callbook to 1997), read by OCR, so names and streets can carry typos. Each line is one or more editions in a row showing the same name at the same address.
📡 On the Air: APRS, Digital & WSPR Spots
No APRS positions, PSK Reporter reports or WSPR spots for KD4JVO in the last 24 hours. They show up here within seconds of KD4JVO beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.