🕒 FCC license data updated today 7:15 am CDT (FCC files through Oct 27, 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)
W9NNZ HAM
✅ Available for a vanity request — free since Mar 18, 2004.
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 18, 2004
Previous holder: THEODORE N CENTALA
Held W9NNZ Mar 17, 1992 → Mar 17, 2002
· first licensed Mar 17, 1992 as W9NNZ
· 1 license · no FRN on file (pre-2001 records)
📖 In the printed callbooks since 1966 as K3ZEC, before the FCC's online records
W9NNZExpiredGeneralMar 17, 1992 → Mar 17, 2002 (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 W9NNZ
· General · issued Mar 17, 1992, expires Mar 17, 2002
THEODORE N. CENTALA
2131 LINCOLN RD NE, WASHINGTON, DC 20002
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 W9NNZ
THEODORE N CENTALA
2131 LINCOLN RD NE, WASHINGTON, DC 20002
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.
1995 → 1997 · 2 editions W9NNZ · class G
Theodore N Centala 2131 Lincoln Rd Ne, Washington, DC 20002 1995 p.1791, 1997 p.1922
1987 · 1 edition W9NNZ · class G
Theodore N Centa~ 51 Warren T, Brookline, MA 02146 Winter 1987 p.1199
1983 → 1984 · 2 editions W9NNZ · class G
Theodore N Centala 514 Warren St, Brookline, MA 02146 Winter 1983 p.1143, Winter 1984 p.1186
1982 · 1 edition W9NNZ · class G
Theodore N Centala 1 1133 S 4sth S~ Milwaukee , WI 53214 Winter 1982 p.1107
1976 → 1980 · 3 editions W9NNZ · class G
Theodore N Centala 1233 S 4sth St, Milwaukee, WI 53214 Winter 1976 p.607, Winter 1977 p.655, Winter 1980 p.1054
1966 · 1 edition W9NNZ
Harold O. Van Slyke 3600 Bentley Circle. Spring 1966 p.36
1946 · 1 edition W9NNZ
Paul A. St. Vraln J'r. 910 E. Normal Av., W9nsn-C1arence Thwaits, 519~ N. St .. Toe St .. South Summer 1946 p.201
1937 → 1941 · 7 editions W9NNZ
Paul A. St. Vrain Jr. 910 E. Normal Av., Ee Ee Bauer, 1413 N. Highth St., Sheboygan Fall 1937 p.168, Winter 1938 p.173, Spring 1938 p.162, Spring 1939 p.166, Spring 1940 p.190, Fall 1940 p.182, Winter 1941 p.209
1934 → 1935 · 2 editions W9NNZ
Paul A. St. Vrain Jr. 513 E. Fillmore St., Chicago, Iii. Fall 1934 p.185, Spring 1935 p.206
📡 On the Air: APRS, Digital & WSPR Spots
No APRS positions, PSK Reporter reports or WSPR spots for W9NNZ in the last 24 hours. They show up here within seconds of W9NNZ beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.