N9TPB
FCC License Search
🕒 FCC license data updated today 7:15 am CST (FCC files through Nov 3, 2026) · next update today 8:30 am CST
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)WB9VHI HAM
✅ Available for a vanity request — free since Jun 1, 2026.
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 Jun 1, 2026
Previous holder: KENNETH H KNUDSON
Held WB9VHI Jul 20, 1984 → May 31, 2024
· first licensed Jul 20, 1984 as WB9VHI
· 1 license · FRN 0008884132
📖 In the printed callbooks since 1977 as WB9VHI, before the FCC's online records
-
- Licensee
- KENNETH H KNUDSON
- Address
- 2001 VAHLEN ST
MADISON, WI 53704-3453
- FRN
- 0008884132
- Last granted
- Mar 7, 2014
- Effective
- Mar 7, 2014
- Last action
- Jun 2, 2026
FCC actions (2)
- Jun 2, 2026 — License expired LIEXP
- Mar 7, 2014 — License renewed LIREN
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 Oct 31, 1994 → Apr 17, 2003 · 17 discs
WB9VHI · Advanced · issued May 31, 1994, expires May 31, 2004
KENNETH H. KNUDSON
2001 VAHLEN ST, MADISON, WI 53704 - Seen Sep 9, 1993 → May 3, 1994 · 2 discs
WB9VHI · Advanced · issued Jul 20, 1984, expires Jul 20, 1994
KENNETH H KNUDSON
2001 VAHLEN ST, MADISON, WI 53704
Address history
From FCC database snapshots (2004 → now). "Seen" dates are the first and last snapshot showing that address.
- Seen Nov 7, 2004 → Nov 1, 2026 · 52 snapshots · as WB9VHI
KENNETH H KNUDSON
2001 VAHLEN ST, MADISON, WI 53704-3453
WB9VHI 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
WB9VHI
A K•nneth H Knudso~ 1001 Vahlen St
Mad~on, WI 53704
1997 p.1962 - 1994 → 1996 · 3 editions
WB9VHI · class A
Kenneth H Knudson
2001 Vahlen St, Madison, WI 53704
1994 p.1688, 1995 p.1830, 1996 p.1889 - 1985 → 1987 · 3 editions
WB9VHI · class A
Kenneth Hknudson
1001 Vahlen St, Madison
Winter 1985 p.1213, Winter 1986 p.1211, Winter 1987 p.1229 - 1983 → 1984 · 2 editions
WB9VHI · class A
Kenneth H Knudson
2001 Vahlen St, Madison, WI 53704
Winter 1983 p.1163, Winter 1984 p.1209 - 1980 → 1982 · 2 editions
WB9VHI · class A
Kenneth H Knudson
2001 Vah~n St, Madison, WI 53704
Winter 1980 p.1075, Winter 1982 p.1126 - 1977 → 1979 · 2 editions
WB9VHI · class G
Ken H Knudson
2001 Vahlen St, Madison 53704 Wi
Winter 1977 p.676, Winter 1979 p.1013
📡 On the Air: APRS, Digital & WSPR Spots
No APRS positions, PSK Reporter reports or WSPR spots for WB9VHI in the last 24 hours. They show up here within seconds of WB9VHI beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.