🕒 FCC license data updated today 7:15 am CST (FCC files through Nov 4, 2026) · next update today 8:30 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)
WD9EOU HAM
✅ Available for a vanity request — free since Jun 6, 2009.
2x3 call: any licensee can request it.
No pending applications list it.
Not currently held
· 1 holder on record
· available since Jun 6, 2009
Previous holder: MICHAEL O SILVERTHORNE
Held WD9EOU Aug 11, 1987 → Jun 5, 2007
· first licensed Aug 11, 1987 as WD9EOU
· 1 license · FRN 0003049707 📖 In the printed callbooks since 1979 as WD9EOU, before the FCC's online records
WD9EOUExpiredAdvancedAug 11, 1987 → Jun 5, 2007 (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 Oct 31, 2000 → Apr 17, 2003 · 6 discs WD9EOU
· Advanced · issued May 17, 2000, expires Jun 5, 2007
MICHAEL O. SILVERTHORNE .
40 MARINE DR 7, MICHIGAN CITY, IN 46360
Seen Mar 9, 1998 → May 2, 2000 · 5 discs WD9EOU
· Advanced · issued Jun 5, 1997, expires Jun 5, 2007
MICHAEL O. SILVERTHORNE .
601 4TH AVE NW, DEMOTTE, IN 46310
Seen Sep 9, 1993 → Apr 4, 1997 · 8 discs WD9EOU
· Advanced · issued Aug 11, 1987, expires Aug 11, 1997
MICHAEL O SILVERTHORNE
601 4TH AVE NW, DEMOTTE, IN 46310
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 · 52 snapshots · as WD9EOU
MICHAEL O SILVERTHORNE
40 MARINE DR 7, MICHIGAN CITY, IN 46360
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.
1990 → 1997 · 2 editions WD9EOU · class A
Michael 0 Silverthorne 601 4th Avenue Nw, Demotte, IN 46310 Winter 1990 p.1233, 1997 p.1864
1987 · 1 edition WD9EOU · class T
Michael 0 Silverthorne 601 4th Ave Nw, Demotte, IN 46310 Winter 1987 p.1161
1986 · 1 edition WD9EOU · class T
Michael 0 Silverthorne Bol 4th Ave Nw, Demotte In 4bll0 Winter 1986 p.1143
1985 · 1 edition WD9EOU · class T
Michael 0 Silverthorne Bo! 4th Ave Nw, Demotte In 4bll0 Winter 1985 p.1147
1981 → 1983 · 3 editions WD9EOU · class T
Michael 0 Silverthorne 601 4th Av Nw, Demotte 1981 p.956, Winter 1982 p.1067, Winter 1983 p.1101
1978 → 1980 · 3 editions WD9EOU · class T
Michael O Silverthorne 6115 W 31st Av, Gary Winter 1978 p.883, Winter 1979 p.451, Winter 1980 p.1021
None · 1 edition WD9EOU · class T
Michael 0 Silverthorne 601 4th Av Nw, Demotte None p.1021
📡 On the Air: APRS, Digital & WSPR Spots
No APRS positions, PSK Reporter reports or WSPR spots for WD9EOU in the last 24 hours. They show up here within seconds of WD9EOU beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.