🕒 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)
WA9YZX HAM
✅ Available for a vanity request — free since Jul 25, 2012.
2x3 call: any licensee can request it.
No pending applications list it.
Not currently held
· 1 holder on record
· available since Jul 25, 2012
Previous holder: DENNIS T ONDRISKA
Held WA9YZX Dec 24, 1985 → Jul 24, 2010
· first licensed Dec 24, 1985 as WA9YZX
· 3 licenses · FRN 0014204440 📖 In the printed callbooks since 1971 as WA9YZX, before the FCC's online records
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 Mar 9, 1998 → Apr 17, 2003 · 11 discs WA9YZW
· General · issued Jan 13, 1998, expires Jan 13, 2008
THOMAS J. ONDRISKA
6609 SO KEDVALE AVE, CHICAGO, IL 60629
Seen Apr 21, 1996 → Apr 17, 2003 · 14 discs WA9YZX
· Amateur Extra · issued Nov 28, 1995, expires Nov 28, 2005
DENNIS T. ONDRISKA
5851 W MIDLOTHIAN TPK, MIDLOTHIAN, IL 60445-2159
Seen Sep 9, 1993 → Apr 4, 1997 · 8 discs WA9YZW
· General · issued Mar 29, 1988, expires Mar 29, 1998
THOMAS J ONDRISKA
6609 SO KEDVALE AVE, CHICAGO, IL 60629
Seen Sep 9, 1993 → Oct 26, 1995 · 5 discs WA9YZX
· Amateur Extra · issued Dec 24, 1985, expires Dec 24, 1995
DENNIS T ONDRISKA
5033 W 137TH ST, CRESTWOOD, IL 60445
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 · 102 snapshots · as WA9YZX
DENNIS T ONDRISKA
5851 W MIDLOTHIAN TPK, MIDLOTHIAN, IL 60445-2159
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.
1994 · 1 edition WA9YZX · class E
Dennis T Ondriska 5033 W 137th Street, Crestwood, IL 60445 1994 p.1699
1993 · 1 edition WA9YZX · class E
Dennis T Ondriska Eet, Crestwood, IL 60445 1993 p.1600
1992 · 1 edition WA9YZX · class E
Dennis T Ondriska 5033 Wlllth Street, Crestwood Il B0445 In 4bl76 G William Mbaioy, 1011 Beck Ln, Lafayette, IN 47905 1992 p.1475
1991 · 1 edition WA9YZX · class E
Dennis T Ondriska 5033 W !31th Street, Crestwood, IL 60445 Winter 1991 p.1416
1990 · 1 edition WA9YZX · class E
Oennis T Ondriska 5033 W 13/th Street, Crestwood, IL 60445 Winter 1990 p.1306
1987 · 1 edition WA9YZX · class E
Dennis T Ondriska 5033 W Ij7th Stmt, Crestwood, IL 60445 Winter 1987 p.1238
1986 · 1 edition WA9YZX · class E
Dennis T Ondriska 50jj W .137th St, Crestwood, IL 60445 Winter 1986 p.1218
1985 · 1 edition WA9YZX · class E
Dennis T Ondriska 503j W 137th St, Crestwood, IL 60445 Winter 1985 p.1221
1983 · 1 edition WA9YZX · class E
Dennis T Ondriska 5033 W 137th St, Crestwood 60445 Winter 1983 p.1171
1971 → 1979 · 9 editions WA9YZX · class A
Dennis T Ondriska 6609 S Kedvale Av, Chicago Winter 1971 p.620, Fall 1971 p.621, Winter 1972 p.627, 1974 p.594, Winter 1975 p.619, Winter 1976 p.630, Winter 1977 p.683, Winter 1978 p.945, Winter 1979 p.1022
1970 · 1 edition WA9YZX · class G
Denn Is T Onor I Ska 6609 S Keo Vale Av, Chi Cago Il Spring 1970 p.613
📡 On the Air: APRS, Digital & WSPR Spots
No APRS positions, PSK Reporter reports or WSPR spots for WA9YZX in the last 24 hours. They show up here within seconds of WA9YZX beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.