🕒 FCC license data updated yesterday 7:15 am CDT (FCC files through Oct 18, 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)
KC9QU HAM
✅ Available for a vanity request — free since Dec 14, 2018.
2x2 call: Advanced and Amateur Extra licensees can request it.
No pending applications list it.
Not currently held
· 1 holder on record
· available since Dec 14, 2018
Previous holder: MICHAEL H STUDENROTH
Held KC9QU Mar 17, 1987 → Dec 13, 2016
· first licensed Mar 17, 1987 as KC9QU
· 1 license · FRN 0015502875 📖 In the printed callbooks since 1983 as KC9QU, before the FCC's online records
KC9QUExpiredAdvancedMar 17, 1987 → Dec 13, 2016 (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 Apr 4, 1997 → Apr 17, 2003 · 12 discs KC9QU
· Advanced · issued Dec 13, 1996, expires Dec 13, 2006
MICHAEL H. STUDENROTH
2756 W 86TH PL, CHICAGO, IL 60652
Seen Sep 9, 1993 → Oct 27, 1996 · 7 discs KC9QU
· Advanced · issued Mar 17, 1987, expires Mar 17, 1997
· previously KA9JWM(Technician)
MICHAEL H STUDENROTH
2756 W 86TH PL, CHICAGO, IL 60652
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 KC9QU
MICHAEL H STUDENROTH
2756 W 86TH PL, CHICAGO, IL 60652
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 → 1994 · 3 editions KC9QU · class A
Michael H Studenroth 2756 W 86th Place, Chicago, IL 60652 Winter 1988 p.1242, Winter 1990 p.1280, 1994 p.1666
1986 · 1 edition KC9QU · class A
Michael H Studenroth 1756 W 86\h Pl, Chicago, IL 60651 Winter 1986 p.1194
1983 · 1 edition KC9QU · class A
Michael H Studenroth 2756 W 86th Pi, Chicago, IL 60652 Winter 1983 p.1152
None · 1 edition KC9QU · class A
Michael H Studenroth 2756 W 86th Pl, Chicago None p.1072
📡 On the Air: APRS, Digital & WSPR Spots
No APRS positions, PSK Reporter reports or WSPR spots for KC9QU in the last 24 hours. They show up here within seconds of KC9QU beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.