🕒 FCC license data updated yesterday 7:15 am CDT (FCC files through Oct 19, 2026) · next update today 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)
KE9OI HAM
✅ Available for a vanity request — free since Mar 6, 2026.
2x2 call: Advanced and Amateur Extra licensees can request it.
No pending applications list it.
Not currently held
· 1 holder on record
· available since Mar 6, 2026
Previous holder: DAVID L CZERNIAK
Held KE9OI Oct 12, 1993 → Mar 5, 2024
· first licensed Oct 12, 1993 as KE9OI
· 1 license · FRN 0008224396 📖 In the printed callbooks since 1980 as WD9EPH, before the FCC's online records
KE9OIExpiredAmateur ExtraOct 12, 1993 → Mar 5, 2024 (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 KE9OI
· Advanced · issued Oct 12, 1993, expires Oct 12, 2003
· previously WD9EPH(General)
DAVID L. CZERNIAK
694 E 1100 N, WHEATFIELD, IN 46392
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 KE9OI
DAVID L CZERNIAK
694 E 1100 N, WHEATFIELD, IN 46392
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 KE9OI · class E
Harold D Fildes 407 Cedar Dr, Charleston, IL 61920 1994 p.1664
1991 · 1 edition KE9OI · class A
Daye Czerniak Qsl 100% Winter 1991 p.1381
1988 → 1990 · 2 editions KE9OI · class A
Robert W Zlabek Pob 243, Wauzeka, WI 53826 Winter 1988 p.1187, Winter 1990 p.1226
📡 On the Air: APRS, Digital & WSPR Spots
No APRS positions, PSK Reporter reports or WSPR spots for KE9OI in the last 24 hours. They show up here within seconds of KE9OI beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.