🕒 FCC license data updated yesterday 7:15 am CDT (FCC files through Oct 27, 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)
W9OCI HAM
✅ Available for a vanity request — free since Mar 21, 2018.
1x3 call: Technician, General, Advanced and Amateur Extra licensees can request it.
No pending applications list it.
Not currently held
· 1 holder on record
· available since Mar 21, 2018
Previous holder: P WILLIAM TRINKO
Held W9OCI Jul 1, 1986 → Mar 20, 2016
· first licensed Jul 1, 1986 as W9OCI
· 1 license · FRN 0014749881 📖 In the printed callbooks since 1952 as W9OCI, before the FCC's online records
W9OCIExpiredAdvancedJul 1, 1986 → Mar 20, 2016 (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 Apr 21, 1996 → Apr 17, 2003 · 14 discs W9OCI
· Advanced · issued Mar 20, 1996, expires Mar 20, 2006
P WILLIAM TRINKO
2123 W 23 ST, CHICAGO, IL 60608
Seen Sep 9, 1993 → Oct 26, 1995 · 5 discs W9OCI
· Advanced · issued Jul 1, 1986, expires Jul 1, 1996
P WILLIAM TRINKO
2123 W 23 ST, CHICAGO, IL 60608
Address history
From FCC database snapshots (2004 → now). "Seen" dates are the first and last snapshot showing that address.
Seen Nov 7, 2004 → Oct 25, 2026 · 51 snapshots · as W9OCI
P WILLIAM TRINKO
2123 W 23 ST, CHICAGO, IL 60608
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 W9OCI
A 1113 W 23rd St Chicago 60608 1997 p.1925
1996 · 1 edition W9OCI
A ~a~\~:~·trinko 1113 W 23rd Street, Chicago ~lc L~m ~~g~g ~ ~~~~r~~ Jc~~!1, ~m~1~irki· R~!"s~~kie ~ 1 ~~~l ~ig~~ L ~:~~~s ~ 0 ~i ~a~oi~ot·~~~.~~~ 0 Il, IL 60185 1996 p.1853
1992 · 1 edition W9OCI · class T
Theodore R Wahlmann 21 Wilmar Brchard, Quincy, IL 62301 1992 p.1440
1989 · 1 edition W9OCI · class A
P William Trinko 1113 W 23rd Street, Chicago, IL 60608 Winter 1989 p.1251
1988 · 1 edition W9OCI · class G
Charles R Du Val Rt 5 Lot 39 Chari Mar, Elkhorn, WI 53121 Winter 1988 p.1233
1983 · 1 edition W9OCI · class A
Il 60608 K 9 0 E E A Jean P Lottridge 317 Karen Ct, Madison, WI 53705 Winter 1983 p.1145
1982 · 1 edition W9OCI · class A
P William Trinka 2123 W 23 St, Chicago, IL 60608 Winter 1982 p.1108
1979 → 1980 · 2 editions W9OCI · class A
Pa W Lrinko 2123 W 23rd St, Cticago, IL 60606 Winter 1979 p.485, Winter 1980 p.1056
1974 → 1976 · 2 editions W9OCI · class A
Paul W Trinka 2123 W 23rd St, Chicago 60608 Il Winter 1974 p.608, Winter 1976 p.609
1971 · 1 edition W9OCI
A ~~utwcirinko 2123 W 23rd St) Chicago T~:g: ~t Arlington Hgts 60004 Il Fall 1971 p.602
1971 · 1 edition W9OCI · class A
Paul W Trinka 2123 W 23rd St, Chicago Winter 1971 p.602
1966 · 1 edition W9OCI
Edward Targonski1 Rfd 2 - Box 133. Yorktown Spring 1966 p.537
1965 · 1 edition W9OCI
Paul W. Trinko 2123 W, 23rd St. Chicago 8 Ill Summer 1965 p.537
1963 · 1 edition W9OCI
Paul W. Trinko 2123 W, 23rd St. Chicago B Ill Fort Sheridan, Highland Park I Ll Summer 1963 p.559
1961 · 1 edition W9OCI
Paul We Trinko 2114 W.23ro Place, Chicago 8 Ill Fall 1961 p.551
1957 → 1961 · 3 editions W9OCI
Paul W. Trlnko 2114 West 23rd Place, Chicago 8, HI Fall 1957 p.425, Summer 1958 p.443, Spring 1961 p.523
1956 · 1 edition W9OCI
Paul W. Trinka 2114 West 23rd Place, Chicago, IL Spring 1956 p.353
1955 · 1 edition W9OCI
Paul W . T R I N K O 2114 W E S T 2 3 R D P L A C E, C H I C A G O, 111. Fall 1955 p.356
1952 → 1954 · 3 editions W9OCI
Paul W. Trinko 2114 W Est 23rd P La Ce, Chicago Fall 1952 p.277, Fall 1953 p.285, Spring 1954 p.295
1934 → 1936 · 3 editions W9OCI
E. R. Davis 151 S. Humboldt, Denver, CO Fall 1934 p.186, Spring 1935 p.207, Spring 1936 p.299
None · 1 edition W9OCI · class A
P William Trinko 2123 W 23 St, Chicago None p.1065
📡 On the Air: APRS, Digital & WSPR Spots
No APRS positions, PSK Reporter reports or WSPR spots for W9OCI in the last 24 hours. They show up here within seconds of W9OCI beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.