🕒 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)
KA9OSM HAM
✅ Available for a vanity request — free since Dec 30, 1999.
2x3 call: any licensee can request it.
No pending applications list it.
Not currently held
· 1 holder on record
· available since Dec 30, 1999
Previous holder: CHARLES E GRUEN
Held KA9OSM Dec 29, 1987 → Dec 29, 1997
· first licensed Dec 29, 1987 as KA9OSM
· 1 license · no FRN on file (pre-2001 records)
📖 In the printed callbooks since 1985 as KA9OSM, before the FCC's online records
KA9OSMExpiredTechnician PlusDec 29, 1987 → Dec 29, 1997 (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, 1994 → Oct 8, 1999 · 10 discs KA9OSM
· Technician Plus · issued Dec 29, 1987, expires Dec 29, 1997
CHARLES E. GRUEN
7750 BAY SHORE DR, INDIANAPOLIS, IN 46240
Seen Sep 9, 1993 → May 3, 1994 · 2 discs KA9OSM
· Technician · issued Dec 29, 1987, expires Dec 29, 1997
CHARLES E GRUEN
7750 BAY SHORE DR, INDIANAPOLIS, IN 46240
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 KA9OSM
CHARLES E GRUEN
7750 BAY SHORE DR, INDIANAPOLIS, IN 46240
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 KA9OSM · class T
Charles E Gruen 7750 B~ Shore Dr, Indianapolis, IN 46140 1997 p.1929
1995 · 1 edition KA9OSM · class T
Charles E Gruen 7750 B~ Shore Or, Indianapolis, IN 46140 1995 p.1797
1993 → 1994 · 2 editions KA9OSM · class T
Charles E Gruen 7750 Bay Shore Dr, Indianapolis, IL 61707 1993 p.1564, 1994 p.1657
1988 · 1 edition KA9OSM · class T
Charles E Gruen 5835 Graham Ct, Indianapolis, IN 46150 Winter 1988 p.1235
1986 · 1 edition KA9OSM · class T
Charles E Gruen 5bj5 Graham T Lndiana~oli• In 4b150 T John Dberker, Lb2l Wilton Dr, Columbus, OH 43127 Winter 1986 p.1186
1985 · 1 edition KA9OSM · class T
Charles E Gruen 5835 Graham T, Lndiana1olis, IN 46150 Winter 1985 p.1192
📡 On the Air: APRS, Digital & WSPR Spots
No APRS positions, PSK Reporter reports or WSPR spots for KA9OSM in the last 24 hours. They show up here within seconds of KA9OSM beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.