🕒 FCC license data updated yesterday 7:15 am CST (FCC files through Nov 3, 2026) · next update today 7:15 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)
WB9SFN HAM
✅ Available for a vanity request — free since Nov 20, 2003.
2x3 call: any licensee can request it.
No pending applications list it.
Not currently held
· 1 holder on record
· available since Nov 20, 2003
Previous holder: WILLIAM I BOUDRO
Held WB9SFN Nov 19, 1991 → Nov 19, 2001
· first licensed Nov 19, 1991 as WB9SFN
· 1 license · no FRN on file (pre-2001 records)
📖 In the printed callbooks since 1976 as WB9SFN, before the FCC's online records
WB9SFNExpiredAdvancedNov 19, 1991 → Nov 19, 2001 (expired)
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 Sep 9, 1993 → Apr 17, 2003 · 19 discs WB9SFN
· Advanced · issued Nov 19, 1991, expires Nov 19, 2001
WILLIAM I. BOUDRO
644 S CORNELL, VILLA PARK, IL 60181
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 WB9SFN
WILLIAM I BOUDRO
644 S CORNELL, VILLA PARK, IL 60181
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.
1993 → 1997 · 4 editions WB9SFN · class A
Wilham I Boudro 644 S Cornell, Villa Park, IL 60181 1993 p.1578, 1994 p.1674, 1996 p.1872, 1997 p.1945
1990 · 1 edition WB9SFN · class A
William I Boudro 6151 S Tripp Ave, Chicago, IL 60629 Winter 1990 p.1285
1988 · 1 edition WB9SFN · class A
William I Boudro 6157 S Tnpp Ave, Chicago, IL 60619 Winter 1988 p.1247
1987 · 1 edition WB9SFN · class A
Wilfiam I Boudro Bl57 S Tripp Avt, Chicago Il B0619 Winter 1987 p.1216
1986 · 1 edition WB9SFN · class A
Wilham I Boudro B157 S Tripp Ave, Chicago Il B0b19 Winter 1986 p.1200
1979 → 1984 · 3 editions WB9SFN · class A
William I Boudro 6157 S Tripp Av, Chicago, IL 60629 Winter 1979 p.1003, Winter 1980 p.1066, Winter 1984 p.1202
1977 · 1 edition WB9SFN · class T
William I Boudro 0157 S Tripp Av, Chicago 60629 Il Winter 1977 p.667
1976 · 1 edition WB9SFN · class T
William I Boudro 6157 S Tripp Av, Chicago 60629 Il Winter 1976 p.621
📡 On the Air: APRS, Digital & WSPR Spots
No APRS positions, PSK Reporter reports or WSPR spots for WB9SFN in the last 24 hours. They show up here within seconds of WB9SFN beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.