N9TPB
FCC License Search
🕒 FCC license data updated today 7:15 am CDT (FCC files through Oct 19, 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)KA9KCO HAM
✅ Available for a vanity request — free since Feb 18, 2021.
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 18, 2021
Previous holder: WILLIAM M UDELHOFEN
Held KA9KCO Jun 20, 1989 → Feb 17, 2019 · first licensed Jun 20, 1989 as KA9KCO · 1 license · FRN 0018285635
-
- Licensee
- WILLIAM M UDELHOFEN
- Address
- 920 S JACKSON ST
CUBA CITY, WI 53807-1050
- FRN
- 0018285635
- Last granted
- Nov 19, 2008
- Effective
- Nov 19, 2008
- Last action
- Feb 18, 2021
FCC actions (3)
- Feb 18, 2021 — License expired LIEXP
- Nov 19, 2008 — License renewed LIREN
- Nov 19, 2008 — FCC action LITIN
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 Apr 7, 1999 → Apr 17, 2003 · 9 discs
KA9KCO · Technician Plus · issued Feb 17, 1999, expires Feb 17, 2009
WILLIAM M. UDELHOFEN
920 S JACKSON ST, CUBA CITY, WI 53807-1050 - Seen Oct 27, 1996 → Nov 11, 1998 · 4 discs
KA9KCO · Technician Plus · issued Jun 20, 1989, expires Jun 20, 1999
WILLIAM M UDELHOFEN
920 S JACKSON ST, CUBA CITY, WI 53807-1050 - Seen Oct 31, 1994 → Apr 21, 1996 · 4 discs
KA9KCO · Technician Plus · issued Jun 20, 1989, expires Jun 20, 1999
WILLIAM M UDELHOFEN
319 N CODY, CUBA CITY, WI 53807 - Seen Sep 9, 1993 → May 3, 1994 · 2 discs
KA9KCO · Technician · issued Jun 20, 1989, expires Jun 20, 1999
WILLIAM M UDELHOFEN
319 N CODY, CUBA CITY, WI 53807
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 KA9KCO
WILLIAM M UDELHOFEN
920 S JACKSON ST, CUBA CITY, WI 53807-1050
KA9KCO 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.
- 1997 · 1 edition
KA9KCO · class P
William M 920 S Jackson St Cuba City
, WI 53807
1997 p.1899 - 1995 · 1 edition
KA9KCO
T Wi!ham M Ude Ofen
319 N Cody, Uba City, WI 53807
1995 p.1775 - 1992 → 1994 · 2 editions
KA9KCO · class T
William Mudelhofen
319 Ncody, Cuba City
Winter 1992 p.1425, 1994 p.1634 - 1988 → 1990 · 2 editions
KA9KCO · class T
William A Szabela
Rt 1 Box 197, Brookston, IN 47923
Winter 1988 p.1218, Winter 1990 p.1260 - 1987 · 1 edition
KA9KCO · class N
Wilfiam M Udtlho Tn
411 E Cl~, Cuba Ci~, WI 53807
Winter 1987 p.1186 - 1984 · 1 edition
KA9KCO · class N
William Mudelho En
412 E Cla~, Cuba Cit~ Wi 5jb07 A Austin Hthompson, L 738 Menard, Chicago Il 606j9, IL 60016
Winter 1984 p.1171 - 1983 · 1 edition
KA9KCO · class N
Robert J Weskamp
17 S Wildwood Dr, Prospect Hgts W I 53807
Winter 1983 p.1128
📡 On the Air: APRS, Digital & WSPR Spots
No APRS positions, PSK Reporter reports or WSPR spots for KA9KCO in the last 24 hours. They show up here within seconds of KA9KCO beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.