🕒 FCC license data updated today 7:16 am CDT (FCC files through Oct 22, 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)
KA9ZSX HAM
✅ Available for a vanity request — free since Aug 7, 2003.
2x3 call: any licensee can request it.
No pending applications list it.
Not currently held
· 1 holder on record
· available since Aug 7, 2003
Previous holder: JOHN F WRZESINSKI
Held KA9ZSX Aug 6, 1991 → Aug 6, 2001
· first licensed Aug 6, 1991 as KA9ZSX
· 1 license · no FRN on file (pre-2001 records)
📖 In the printed callbooks since 1990 as KA9ZSX, before the FCC's online records
KA9ZSXExpiredGeneralAug 6, 1991 → Aug 6, 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 Oct 26, 1995 → Apr 17, 2003 · 15 discs KA9ZSX
· General · issued Jun 30, 1995, expires Aug 6, 2001
JOHN F. WRZESINSKI
336 N 29TH ST, BATTLE CREEK, MI 49015
Seen Sep 9, 1993 → May 12, 1995 · 4 discs KA9ZSX
· General · issued Aug 6, 1991, expires Aug 6, 2001
JOHN F WRZESINSKI
1935 W ADDISON ST, CHICAGO, IL 60613
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 KA9ZSX
JOHN F WRZESINSKI
336 N 29TH ST, BATTLE CREEK, MI 49015
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 KA9ZSX · class G
John F Wrzesinskis 336 N 2 H T Battle Creek Ml 49015 1997 p.1982
1992 → 1994 · 3 editions KA9ZSX · class G
John F Wrzesinski 1935 W Addison St, Chicago Il 6061j 1992 p.1477, 1993 p.1602, 1994 p.1701
1991 · 1 edition KA9ZSX · class N
John F W~esinski 1935 W Addison St, Chicago, IL 60613 Winter 1991 p.1418
1990 · 1 edition KA9ZSX · class N
John F Wrzesinski 1935 W Addison St, Chicago, IL 60613 Winter 1990 p.1309
📡 On the Air: APRS, Digital & WSPR Spots
No APRS positions, PSK Reporter reports or WSPR spots for KA9ZSX in the last 24 hours. They show up here within seconds of KA9ZSX beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.