N9TPB FCC License Search

🕒 FCC license data updated today 7:16 am CDT (FCC files through Oct 22, 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, WI · old CB calls like KHC1939 or 18Q3518 (1962–63 CB call books) · (205) 546-1767 (1990s CB directory phones)

N9KZT HAM

✅ Available for a vanity request — free since Apr 10, 2003.

1x3 call: Technician, General, Advanced and 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 Apr 10, 2003

Previous holder: HORST WITSCHONKE

Held N9KZT Apr 9, 1991 → Apr 9, 2001 · first licensed Apr 9, 1991 as N9KZT · 1 license · no FRN on file (pre-2001 records)
📖 In the printed callbooks since 1990 as KB9CDU, before the FCC's online records

N9KZT Expired Technician Plus Apr 9, 1991 → Apr 9, 2001 (expired)

Licensee
HORST WITSCHONKE

Address
PO Box 2451
CHICAGO, IL 60690

Previous call
KB9CDU (Novice)

Last granted
Apr 9, 1991

Effective
Apr 9, 1991

Last action
Apr 10, 2003
FCC actions (1)
- Apr 10, 2003 — 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 → Oct 25, 2002 · 10 discs
N9KZT · Technician Plus · issued Apr 9, 1991, expires Apr 9, 2001 · previously KB9CDU (Novice)
HORST WITSCHONKE
PO BOX 2451, CHICAGO, IL 60690
Seen Oct 31, 1994 → Apr 4, 1997 · 6 discs
N9KZT · Technician Plus · issued Apr 9, 1991, expires Apr 9, 2001 · previously KB9CDU (Novice)
HORST WITSCHONKE
POB 2451, CHICAGO, IL 60690
Seen Sep 9, 1993 → May 3, 1994 · 2 discs
N9KZT · Technician · issued Apr 9, 1991, expires Apr 9, 2001 · previously KB9CDU (Novice)
HORST WITSCHONKE
POB 2451, CHICAGO, IL 60690

Address history

From FCC database snapshots (2004 → now). "Seen" dates are the first and last snapshot showing that address.

Seen Nov 7, 2004 → Oct 18, 2026 · 50 snapshots · as N9KZT
HORST WITSCHONKE
PO Box 2451
CHICAGO, IL 60690

N9KZT 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.

1994 → 1996 · 2 editions
N9KZT · class P
Horst Witschonke
Pob 2451, Chicago, IL 60690
1994 p.1639, 1996 p.1837

📡 On the Air: APRS, Digital & WSPR Spots

No APRS positions, PSK Reporter reports or WSPR spots for N9KZT in the last 24 hours. They show up here within seconds of N9KZT beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.