🕒 FCC license data updated today 7:15 am CDT (FCC files through Oct 15, 2026) · next update today 8:30 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)
W1FDA HAM
✅ Available for a vanity request — free since Aug 10, 2000.
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 Aug 10, 2000
Previous holder: JOHN A ONDERWYZER
Held W1FDA Aug 9, 1988 → Aug 9, 1998
· first licensed Aug 9, 1988 as W1FDA
· 1 license · no FRN on file (pre-2001 records)
📖 In the printed callbooks since 1969 as W1FDA, before the FCC's online records
W1FDAExpiredGeneralAug 9, 1988 → Aug 9, 1998 (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 → May 2, 2000 · 13 discs W1FDA
· General · issued Aug 9, 1988, expires Aug 9, 1998
JOHN A. ONDERWYZER
107 TERRY ST, INDIAN HARBOUR BEACH, FL 32927
Address history
From FCC database snapshots (2004 → now). "Seen" dates are the first and last snapshot showing that address.
Seen Nov 7, 2004 → Oct 11, 2026 · 49 snapshots · as W1FDA
JOHN A ONDERWYZER
107 TERRY ST, INDIAN HARBOUR BEACH, FL 32927
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.
1991 → 1994 · 3 editions W1FDA · class G
John A Onderwyzer 107 Terry St, Indian Harbour Beach, FL 32937 Winter 1991 p.144, 1992 p.146, 1994 p.164
1990 · 1 edition W1FDA · class G
Arnold S Kauble Pob 5466, Coralvil~, IA 51141 Winter 1990 p.36
1987 · 1 edition W1FDA · class G
Arno D S Kau Le Pob 54bb, Coralville, IA 51141 Winter 1987 p.30
1983 · 1 edition W1FDA · class G
John A Onderwyzer Rfd 2-Box 2081, Shelburne, VT 05482 Winter 1983 p.133
1975 → 1982 · 6 editions W1FDA · class G
John A Onderwyzer Rfd 2, Shelburne Winter 1975 p.66, Winter 1976 p.67, Winter 1977 p.71, Winter 1980 p.125, 1981 p.61, Winter 1982 p.130
1973 · 1 edition W1FDA · class C
John A Ondewyzer Rfd, Shelburne 05482 Vt Winter 1973 p.68
1972 · 1 edition W1FDA · class C
Arnold S Kauble 1405 Tenth St-Box 6029 Winter 1972 p.17
1969 → 1971 · 3 editions W1FDA · class C
John A Onderwyzer Rfd, Shelburne Summer 1969 p.66, Winter 1971 p.67, Fall 1971 p.68
1935 · 1 edition W1FDA
Portable Call Of Wleaq. Ave. Swampsoott, MA Spring 1935 p.14
1934 · 1 edition W1FDA
Portable Call Of Wleaq. Fall 1934 p.14
📡 On the Air: APRS, Digital & WSPR Spots
No APRS positions, PSK Reporter reports or WSPR spots for W1FDA in the last 24 hours. They show up here within seconds of W1FDA beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.