🕒 FCC license data updated today 7:15 am CST (FCC files through Nov 4, 2026) · next update today 9:45 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)
WD9JKZ HAM
✅ Available for a vanity request — free since Jan 31, 2019.
2x3 call: any licensee can request it.
No pending applications list it.
Not currently held
· 1 holder on record
· available since Jan 31, 2019
Previous holder: SYLVESTER P JANCZAK
Held WD9JKZ May 19, 1987 → Jan 30, 2017
· first licensed May 19, 1987 as WD9JKZ
· 1 license · FRN 0002720969 📖 In the printed callbooks since 1979 as WD9JKZ, before the FCC's online records
WD9JKZExpiredAmateur ExtraMay 19, 1987 → Jan 30, 2017 (expired)
Licensee
SYLVESTER P JANCZAK
Address
Attn: SYLVESTER P JANCZAK 3127 A W MADISON MILWAUKEE, WI 53215
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 4, 1997 → Apr 17, 2003 · 12 discs WD9JKZ
· Amateur Extra · issued Jan 30, 1997, expires Jan 30, 2007
SYLVESTER P. JANCZAK
3127 A W MADISON, MILWAUKEE, WI 53215
Seen Sep 9, 1993 → Oct 27, 1996 · 7 discs WD9JKZ
· Amateur Extra · issued May 19, 1987, expires May 19, 1997
SYLVESTER P JANCZAK
3127A W MADISON, MILWAUKEE, WI 53215
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 WD9JKZ
SYLVESTER P JANCZAK
Attn: SYLVESTER P JANCZAK 3127 A W MADISON, MILWAUKEE, WI 53215
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.
1996 · 1 edition WD9JKZ · class E
Sylvester P Janczak 312 ·aw Madison, M' Aukee, WI 53115 1996 p.1827
1990 → 1994 · 2 editions WD9JKZ · class E
E S~vester P Janczak 3127-A W Madison, Milwaukee, WI 53215 Winter 1990 p.1258, 1994 p.1631
1987 · 1 edition WD9JKZ · class E
Sylvester P Janczak 312 A W Madison, Milwaukee, WI 53215 Winter 1987 p.1183
None → 1985 · 7 editions WD9JKZ · class E
Sylvester P Janczak 3127a W Madison, Milwaukee None p.1045, Winter 1979 p.472, Winter 1980 p.1043, Winter 1981 p.1055, Winter 1982 p.1092, Winter 1983 p.1125, Winter 1985 p.1171
📡 On the Air: APRS, Digital & WSPR Spots
No APRS positions, PSK Reporter reports or WSPR spots for WD9JKZ in the last 24 hours. They show up here within seconds of WD9JKZ beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.