🕒 FCC license data updated yesterday 7:15 am CST (FCC files through Nov 3, 2026) · next update today 6:00 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)
WB9DSX HAM
✅ Available for a vanity request — free since Aug 29, 2008.
2x3 call: any licensee can request it.
No pending applications list it.
Not currently held
· 1 holder on record
· available since Aug 29, 2008
Previous holder: FREDERICK W PFEIFFER
Held WB9DSX Oct 14, 1986 → Aug 28, 2006
· first licensed Oct 14, 1986 as WB9DSX
· 1 license · no FRN on file (pre-2001 records)
📖 In the printed callbooks since 1971 as WB9DSX, before the FCC's online records
WB9DSXExpiredAdvancedOct 14, 1986 → Aug 28, 2006 (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 Oct 27, 1996 → Apr 17, 2003 · 13 discs WB9DSX
· Advanced · issued Aug 28, 1996, expires Aug 28, 2006
FREDERICK W. PFEIFFER
3301 OAK AVE, STEVENS POINT, WI 54481
Seen Sep 9, 1993 → Apr 21, 1996 · 6 discs WB9DSX
· Advanced · issued Oct 14, 1986, expires Oct 14, 1996
FREDERICK W PFEIFFER
3301 OAK AVE, STEVENS POINT, WI 54481
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 WB9DSX
FREDERICK W PFEIFFER
3301 OAK AVE, STEVENS POINT, WI 54481
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.
1995 → 1997 · 3 editions WB9DSX · class A
Frederick W Pfeiffer 0 3l01 Oak Av~ Stevens Point , WI 54481 1995 p.1735, 1996 p.1791, 1997 p.1859
1982 → 1994 · 4 editions WB9DSX · class A
Frederick W Pfeiffer 3301 Oak Ave, Stevens Point, WI 54481 Winter 1982 p.1062, Winter 1983 p.1097, Winter 1984 p.1141, 1994 p.1595
1979 · 1 edition WB9DSX · class A
Frederick W Pfe~fer Rfd 6-Box 259, Stevens Point, WI 54481 Winter 1979 p.447
None → 1977 · 7 editions WB9DSX · class A
Frederick W Pfeiffer 3301 Oak Ave, Stevens Point None p.546, Winter 1971 p.573, Fall 1971 p.574, Winter 1972 p.579, Winter 1973 p.578, 1974 p.546, Winter 1977 p.631
📡 On the Air: APRS, Digital & WSPR Spots
No APRS positions, PSK Reporter reports or WSPR spots for WB9DSX in the last 24 hours. They show up here within seconds of WB9DSX beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.