🕒 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)
KA9OPU HAM
✅ Available for a vanity request — free since Aug 23, 2009.
2x3 call: any licensee can request it.
No pending applications list it.
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 Mar 9, 1998 → Apr 17, 2003 · 11 discs KA9OPU
· Novice · issued Aug 22, 1997, expires Aug 22, 2007
MARK J. HENDRICKS
BOX 148, GILMAN, WI 54433
Seen Sep 9, 1993 → Apr 4, 1997 · 8 discs KA9OPU
· Novice · issued Dec 29, 1987, expires Dec 29, 1997
MARK J HENDRICKS
BOX 148, GILMAN, WI 54433
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 KA9OPU
MARK J HENDRICKS
BOX 148, GILMAN, WI 54433
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.
1988 → 1997 · 5 editions KA9OPU · class N
Mark J Hendricks Box 148, Gilman, WI 54433 Winter 1988 p.1235, Winter 1990 p.1274, 1995 p.1797, 1996 p.1855, 1997 p.1929
1983 · 1 edition KA9OPU · class N
Dan Kelly Jr 303 East Market, Salem, IN 47167 Winter 1983 p.1096
📡 On the Air: APRS, Digital & WSPR Spots
No APRS positions, PSK Reporter reports or WSPR spots for KA9OPU in the last 24 hours. They show up here within seconds of KA9OPU beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.